./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:21:47,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:21:47,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:21:47,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:21:47,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:21:47,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:21:47,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:21:47,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:21:47,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:21:47,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:21:47,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:21:47,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:21:47,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:21:47,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:21:47,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:21:47,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:21:47,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:21:47,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:21:47,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:21:47,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:21:47,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:21:47,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:21:47,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:21:47,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:21:47,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:21:47,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:21:47,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:21:47,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:21:47,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:21:47,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:21:47,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:21:47,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:21:47,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:21:47,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:21:47,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:21:47,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:21:47,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:21:47,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:21:47,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:21:47,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:21:47,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:21:47,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-27 23:21:47,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:21:47,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:21:47,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:21:47,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:21:47,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:21:47,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:21:47,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:21:47,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:21:47,340 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:21:47,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:21:47,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:21:47,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-27 23:21:47,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:21:47,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:21:47,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:21:47,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:21:47,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:21:47,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:21:47,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:21:47,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:21:47,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:21:47,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:21:47,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:21:47,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:21:47,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:21:47,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:21:47,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:21:47,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:21:47,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-27 23:21:47,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-27 23:21:47,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:21:47,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:21:47,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:21:47,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2021-12-27 23:21:47,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:21:47,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:21:47,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:21:47,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:21:47,643 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:21:47,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-12-27 23:21:47,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2e9fde/40503d7669b84bffb4bc8058c1cdb632/FLAG986b57f59 [2021-12-27 23:21:48,063 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:21:48,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-12-27 23:21:48,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2e9fde/40503d7669b84bffb4bc8058c1cdb632/FLAG986b57f59 [2021-12-27 23:21:48,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff2e9fde/40503d7669b84bffb4bc8058c1cdb632 [2021-12-27 23:21:48,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:21:48,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:21:48,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:21:48,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:21:48,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:21:48,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c187c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48, skipping insertion in model container [2021-12-27 23:21:48,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:21:48,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:21:48,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-12-27 23:21:48,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:21:48,202 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:21:48,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-12-27 23:21:48,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:21:48,223 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:21:48,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48 WrapperNode [2021-12-27 23:21:48,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:21:48,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:21:48,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:21:48,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:21:48,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,272 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-27 23:21:48,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:21:48,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:21:48,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:21:48,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:21:48,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:21:48,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:21:48,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:21:48,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:21:48,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (1/1) ... [2021-12-27 23:21:48,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:21:48,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:21:48,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-27 23:21:48,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-27 23:21:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:21:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:21:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:21:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-27 23:21:48,387 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:21:48,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:21:48,445 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:21:48,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:21:48,449 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-27 23:21:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:48 BoogieIcfgContainer [2021-12-27 23:21:48,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:21:48,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:21:48,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:21:48,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:21:48,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:21:48" (1/3) ... [2021-12-27 23:21:48,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244d8fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:21:48, skipping insertion in model container [2021-12-27 23:21:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:48" (2/3) ... [2021-12-27 23:21:48,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244d8fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:21:48, skipping insertion in model container [2021-12-27 23:21:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:48" (3/3) ... [2021-12-27 23:21:48,468 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2021-12-27 23:21:48,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:21:48,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-27 23:21:48,535 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-27 23:21:48,540 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-27 23:21:48,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-27 23:21:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-27 23:21:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-27 23:21:48,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:21:48,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-27 23:21:48,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:21:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:21:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-12-27 23:21:48,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-27 23:21:48,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289160672] [2021-12-27 23:21:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:21:48,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-27 23:21:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-27 23:21:48,643 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-27 23:21:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-27 23:21:48,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-27 23:21:48,661 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-27 23:21:48,662 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-27 23:21:48,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-27 23:21:48,674 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-27 23:21:48,676 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-27 23:21:48,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:21:48 BoogieIcfgContainer [2021-12-27 23:21:48,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:21:48,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:21:48,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:21:48,691 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:21:48,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:48" (3/4) ... [2021-12-27 23:21:48,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-27 23:21:48,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:21:48,695 INFO L158 Benchmark]: Toolchain (without parser) took 611.38ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.7MB in the beginning and 56.7MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:48,696 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:48,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.75ms. Allocated memory is still 52.4MB. Free memory was 29.6MB in the beginning and 31.0MB in the end (delta: -1.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-12-27 23:21:48,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.41ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 31.0MB in the beginning and 59.3MB in the end (delta: -28.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-12-27 23:21:48,698 INFO L158 Benchmark]: Boogie Preprocessor took 10.38ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 58.6MB in the end (delta: 680.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:48,702 INFO L158 Benchmark]: RCFGBuilder took 166.45ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 50.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-27 23:21:48,703 INFO L158 Benchmark]: TraceAbstraction took 236.40ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 57.0MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-27 23:21:48,704 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 75.5MB. Free memory was 57.0MB in the beginning and 56.7MB in the end (delta: 323.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:48,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.75ms. Allocated memory is still 52.4MB. Free memory was 29.6MB in the beginning and 31.0MB in the end (delta: -1.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.41ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 31.0MB in the beginning and 59.3MB in the end (delta: -28.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.38ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 58.6MB in the end (delta: 680.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 166.45ms. Allocated memory is still 75.5MB. Free memory was 58.4MB in the beginning and 50.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 236.40ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 57.0MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 75.5MB. Free memory was 57.0MB in the beginning and 56.7MB in the end (delta: 323.5kB). 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: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] [L12] COND TRUE !(result == target) VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] [L12] reach_error() VAL [\old(argc)=50, argc=50, argv={49:51}, argv={49:51}, f=13567505/21267647932558653966460912964485513216] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-27 23:21:48,742 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/floats-cbmc-regression/float-no-simp7.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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:21:50,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:21:50,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:21:50,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:21:50,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:21:50,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:21:50,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:21:50,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:21:50,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:21:50,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:21:50,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:21:50,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:21:50,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:21:50,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:21:50,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:21:50,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:21:50,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:21:50,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:21:50,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:21:50,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:21:50,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:21:50,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:21:50,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:21:50,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:21:50,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:21:50,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:21:50,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:21:50,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:21:50,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:21:50,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:21:50,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:21:50,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:21:50,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:21:50,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:21:50,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:21:50,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:21:50,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:21:50,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:21:50,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:21:50,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:21:50,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:21:50,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-27 23:21:50,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:21:50,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:21:50,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:21:50,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:21:50,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:21:50,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:21:50,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:21:50,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:21:50,498 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:21:50,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:21:50,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:21:50,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-27 23:21:50,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:21:50,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:21:50,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:21:50,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:21:50,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:21:50,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:21:50,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:21:50,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:21:50,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-27 23:21:50,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-27 23:21:50,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:21:50,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:21:50,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:21:50,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-27 23:21:50,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2021-12-27 23:21:50,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:21:50,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:21:50,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:21:50,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:21:50,771 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:21:50,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-12-27 23:21:50,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b9eb94f/bc24e07f76fb450ebacebbded0c9d84a/FLAG1e8088ff0 [2021-12-27 23:21:51,182 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:21:51,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-12-27 23:21:51,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b9eb94f/bc24e07f76fb450ebacebbded0c9d84a/FLAG1e8088ff0 [2021-12-27 23:21:51,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b9eb94f/bc24e07f76fb450ebacebbded0c9d84a [2021-12-27 23:21:51,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:21:51,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:21:51,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:21:51,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:21:51,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:21:51,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc937a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51, skipping insertion in model container [2021-12-27 23:21:51,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:21:51,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:21:51,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-12-27 23:21:51,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:21:51,379 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:21:51,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-12-27 23:21:51,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:21:51,446 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:21:51,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51 WrapperNode [2021-12-27 23:21:51,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:21:51,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:21:51,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:21:51,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:21:51,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,473 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-12-27 23:21:51,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:21:51,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:21:51,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:21:51,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:21:51,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:21:51,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:21:51,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:21:51,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:21:51,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (1/1) ... [2021-12-27 23:21:51,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:21:51,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:21:51,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-27 23:21:51,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-27 23:21:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:21:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:21:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:21:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-27 23:21:51,636 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:21:51,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:21:51,766 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:21:51,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:21:51,770 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-27 23:21:51,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:51 BoogieIcfgContainer [2021-12-27 23:21:51,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:21:51,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:21:51,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:21:51,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:21:51,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:21:51" (1/3) ... [2021-12-27 23:21:51,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fd6266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:21:51, skipping insertion in model container [2021-12-27 23:21:51,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:21:51" (2/3) ... [2021-12-27 23:21:51,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fd6266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:21:51, skipping insertion in model container [2021-12-27 23:21:51,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:51" (3/3) ... [2021-12-27 23:21:51,786 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2021-12-27 23:21:51,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:21:51,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-27 23:21:51,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-27 23:21:51,845 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-27 23:21:51,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-27 23:21:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-27 23:21:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-27 23:21:51,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:21:51,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-27 23:21:51,869 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:21:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:21:51,876 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-12-27 23:21:51,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-27 23:21:51,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074775907] [2021-12-27 23:21:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:21:51,887 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-27 23:21:51,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-27 23:21:51,890 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) [2021-12-27 23:21:51,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-27 23:21:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-27 23:21:52,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-27 23:21:52,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-27 23:21:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-27 23:21:52,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-27 23:21:52,165 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-27 23:21:52,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074775907] [2021-12-27 23:21:52,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074775907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-27 23:21:52,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-27 23:21:52,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-27 23:21:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919603939] [2021-12-27 23:21:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-27 23:21:52,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-27 23:21:52,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-27 23:21:52,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-27 23:21:52,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-27 23:21:52,188 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-27 23:21:52,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-27 23:21:52,290 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-12-27 23:21:52,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-27 23:21:52,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-12-27 23:21:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-27 23:21:52,296 INFO L225 Difference]: With dead ends: 13 [2021-12-27 23:21:52,296 INFO L226 Difference]: Without dead ends: 0 [2021-12-27 23:21:52,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-27 23:21:52,300 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-27 23:21:52,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-27 23:21:52,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-27 23:21:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-27 23:21:52,328 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) [2021-12-27 23:21:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-27 23:21:52,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-12-27 23:21:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-27 23:21:52,330 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-27 23:21:52,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-27 23:21:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-27 23:21:52,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-27 23:21:52,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-27 23:21:52,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-27 23:21:52,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-27 23:21:52,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-27 23:21:52,577 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-27 23:21:52,577 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-27 23:21:52,577 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-27 23:21:52,577 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-27 23:21:52,578 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-12-27 23:21:52,579 INFO L854 garLoopResultBuilder]: At program point L14(lines 5 15) the Hoare annotation is: (and (= |ULTIMATE.start_main_~result~0#1| (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0))))) (= (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))) |ULTIMATE.start_main_~target~0#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-27 23:21:52,579 INFO L858 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-12-27 23:21:52,579 INFO L858 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-12-27 23:21:52,579 INFO L858 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-12-27 23:21:52,582 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-27 23:21:52,583 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-27 23:21:52,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,601 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,602 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:21:52 BoogieIcfgContainer [2021-12-27 23:21:52,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:21:52,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:21:52,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:21:52,612 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:21:52,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:21:51" (3/4) ... [2021-12-27 23:21:52,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-27 23:21:52,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-27 23:21:52,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-27 23:21:52,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-27 23:21:52,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-27 23:21:52,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-27 23:21:52,646 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-27 23:21:52,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:21:52,650 INFO L158 Benchmark]: Toolchain (without parser) took 1446.38ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 52.6MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:52,650 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:52,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.67ms. Allocated memory is still 56.6MB. Free memory was 31.9MB in the beginning and 39.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-27 23:21:52,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 37.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:52,653 INFO L158 Benchmark]: Boogie Preprocessor took 33.13ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:21:52,653 INFO L158 Benchmark]: RCFGBuilder took 263.08ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 29.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-27 23:21:52,653 INFO L158 Benchmark]: TraceAbstraction took 837.51ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 28.7MB in the beginning and 54.8MB in the end (delta: -26.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-12-27 23:21:52,653 INFO L158 Benchmark]: Witness Printer took 37.85ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:21:52,659 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 46.1MB. Free memory was 27.9MB in the beginning and 27.8MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.67ms. Allocated memory is still 56.6MB. Free memory was 31.9MB in the beginning and 39.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 37.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.13ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.08ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 29.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 837.51ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 28.7MB in the beginning and 54.8MB in the end (delta: -26.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 37.85ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 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 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: 12]: 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 5 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant [2021-12-27 23:21:52,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:21:52,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (result == ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 13567505/21267647932558653966460912964485513216), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 5186565/4722366482869645213696))) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/713623846352979940529142984724747568191373312)) == target) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-12-27 23:21:52,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE