./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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-zero-sum1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash debea56186ef4ab268c0be4274b8e0822edc1b01 ........................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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-zero-sum1.i -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 debea56186ef4ab268c0be4274b8e0822edc1b01 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 22:55:07,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 22:55:07,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 22:55:07,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 22:55:07,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 22:55:07,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 22:55:07,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 22:55:07,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 22:55:07,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 22:55:07,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 22:55:07,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 22:55:07,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 22:55:07,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 22:55:07,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 22:55:07,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 22:55:07,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 22:55:07,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 22:55:07,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 22:55:07,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 22:55:07,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 22:55:07,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 22:55:07,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 22:55:07,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 22:55:07,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 22:55:07,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 22:55:07,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 22:55:07,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 22:55:07,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 22:55:07,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 22:55:07,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 22:55:07,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 22:55:07,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 22:55:07,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 22:55:07,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 22:55:07,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 22:55:07,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 22:55:07,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 22:55:07,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 22:55:07,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 22:55:07,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 22:55:07,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 22:55:07,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 22:55:07,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 22:55:07,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 22:55:07,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 22:55:07,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 22:55:07,374 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 22:55:07,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 22:55:07,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 22:55:07,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 22:55:07,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 22:55:07,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 22:55:07,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 22:55:07,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 22:55:07,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:55:07,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 22:55:07,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 22:55:07,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debea56186ef4ab268c0be4274b8e0822edc1b01 [2021-07-04 22:55:07,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 22:55:07,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 22:55:07,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 22:55:07,628 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 22:55:07,629 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 22:55:07,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2021-07-04 22:55:07,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a84217c6/e55ac0f2bf9c4eb0a9eab25b1179a05b/FLAGe3e41c50a [2021-07-04 22:55:07,975 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 22:55:07,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2021-07-04 22:55:07,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a84217c6/e55ac0f2bf9c4eb0a9eab25b1179a05b/FLAGe3e41c50a [2021-07-04 22:55:08,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a84217c6/e55ac0f2bf9c4eb0a9eab25b1179a05b [2021-07-04 22:55:08,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 22:55:08,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 22:55:08,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 22:55:08,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 22:55:08,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 22:55:08,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a0db64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08, skipping insertion in model container [2021-07-04 22:55:08,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 22:55:08,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 22:55:08,548 WARN L224 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-zero-sum1.i[2011,2024] [2021-07-04 22:55:08,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:55:08,557 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 22:55:08,567 WARN L224 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-zero-sum1.i[2011,2024] [2021-07-04 22:55:08,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:55:08,581 INFO L208 MainTranslator]: Completed translation [2021-07-04 22:55:08,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08 WrapperNode [2021-07-04 22:55:08,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 22:55:08,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 22:55:08,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 22:55:08,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 22:55:08,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 22:55:08,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 22:55:08,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 22:55:08,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 22:55:08,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 22:55:08,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 22:55:08,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 22:55:08,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 22:55:08,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (1/1) ... [2021-07-04 22:55:08,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:55:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 22:55:08,670 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) [2021-07-04 22:55:08,705 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 [2021-07-04 22:55:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 22:55:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 22:55:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-07-04 22:55:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 22:55:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 22:55:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-04 22:55:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-04 22:55:08,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 22:55:08,876 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-04 22:55:08,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:08 BoogieIcfgContainer [2021-07-04 22:55:08,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 22:55:08,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 22:55:08,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 22:55:08,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 22:55:08,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 10:55:08" (1/3) ... [2021-07-04 22:55:08,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb74c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:55:08, skipping insertion in model container [2021-07-04 22:55:08,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:08" (2/3) ... [2021-07-04 22:55:08,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb74c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:55:08, skipping insertion in model container [2021-07-04 22:55:08,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:08" (3/3) ... [2021-07-04 22:55:08,884 INFO L111 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2021-07-04 22:55:08,889 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 22:55:08,889 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 22:55:08,933 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 22:55:08,940 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 22:55:08,941 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 22:55:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:55:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-07-04 22:55:08,954 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:55:08,955 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-07-04 22:55:08,955 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:55:08,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:55:08,960 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-07-04 22:55:08,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:55:08,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986018291] [2021-07-04 22:55:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:55:08,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:55:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 22:55:09,053 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 22:55:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 22:55:09,084 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 22:55:09,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-04 22:55:09,111 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-04 22:55:09,115 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 22:55:09,115 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 22:55:09,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 10:55:09 BoogieIcfgContainer [2021-07-04 22:55:09,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 22:55:09,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 22:55:09,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 22:55:09,139 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 22:55:09,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:08" (3/4) ... [2021-07-04 22:55:09,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 22:55:09,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 22:55:09,143 INFO L168 Benchmark]: Toolchain (without parser) took 727.29 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 37.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:09,143 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:55:09,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.13 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 31.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:09,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.49 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 48.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:09,145 INFO L168 Benchmark]: Boogie Preprocessor took 15.70 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:09,146 INFO L168 Benchmark]: RCFGBuilder took 228.34 ms. Allocated memory is still 65.0 MB. Free memory was 47.3 MB in the beginning and 35.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:09,146 INFO L168 Benchmark]: TraceAbstraction took 258.21 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 37.8 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:55:09,146 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 65.0 MB. Free memory was 37.8 MB in the beginning and 37.3 MB in the end (delta: 494.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:55:09,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 150.13 ms. Allocated memory is still 52.4 MB. Free memory was 29.4 MB in the beginning and 31.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.49 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 48.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.70 ms. Allocated memory is still 65.0 MB. Free memory was 48.6 MB in the beginning and 47.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 228.34 ms. Allocated memory is still 65.0 MB. Free memory was 47.3 MB in the beginning and 35.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 258.21 ms. Allocated memory is still 65.0 MB. Free memory was 35.2 MB in the beginning and 37.8 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.07 ms. Allocated memory is still 65.0 MB. Free memory was 37.8 MB in the beginning and 37.3 MB in the end (delta: 494.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 114]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 111, overapproximation of someUnaryDOUBLEoperation at line 122. Possible FailurePath: [L111] float sum = a + b; [L112] union mix m; [L113] m.f = sum [L114] EXPR m.i [L114] COND TRUE !(m.i != 0x80000000) [L114] reach_error() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 186.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 5.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.9ms SsaConstructionTime, 33.8ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-07-04 22:55:09,173 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... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 22:55:10,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 22:55:10,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 22:55:10,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 22:55:10,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 22:55:10,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 22:55:10,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 22:55:10,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 22:55:10,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 22:55:10,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 22:55:10,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 22:55:10,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 22:55:10,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 22:55:10,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 22:55:10,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 22:55:10,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 22:55:10,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 22:55:10,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 22:55:10,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 22:55:10,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 22:55:10,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 22:55:10,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 22:55:10,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 22:55:10,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 22:55:10,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 22:55:10,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 22:55:10,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 22:55:10,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 22:55:10,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 22:55:10,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 22:55:10,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 22:55:10,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 22:55:10,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 22:55:10,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 22:55:10,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 22:55:10,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 22:55:10,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 22:55:10,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 22:55:10,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 22:55:10,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 22:55:10,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 22:55:10,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-04 22:55:10,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 22:55:10,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 22:55:10,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 22:55:10,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 22:55:10,746 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 22:55:10,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 22:55:10,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 22:55:10,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 22:55:10,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:55:10,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-04 22:55:10,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 22:55:10,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 22:55:10,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-04 22:55:10,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debea56186ef4ab268c0be4274b8e0822edc1b01 [2021-07-04 22:55:10,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 22:55:11,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 22:55:11,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 22:55:11,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 22:55:11,013 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 22:55:11,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2021-07-04 22:55:11,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dceeef27/9a79e75e835645278c2b3f1b34c703c5/FLAGc1dce9347 [2021-07-04 22:55:11,372 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 22:55:11,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2021-07-04 22:55:11,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dceeef27/9a79e75e835645278c2b3f1b34c703c5/FLAGc1dce9347 [2021-07-04 22:55:11,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dceeef27/9a79e75e835645278c2b3f1b34c703c5 [2021-07-04 22:55:11,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 22:55:11,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 22:55:11,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 22:55:11,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 22:55:11,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 22:55:11,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:11,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5489b734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11, skipping insertion in model container [2021-07-04 22:55:11,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:11,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 22:55:11,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 22:55:11,903 WARN L224 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-zero-sum1.i[2011,2024] [2021-07-04 22:55:11,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:55:11,938 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 22:55:11,954 WARN L224 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-zero-sum1.i[2011,2024] [2021-07-04 22:55:11,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:55:11,967 INFO L208 MainTranslator]: Completed translation [2021-07-04 22:55:11,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11 WrapperNode [2021-07-04 22:55:11,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 22:55:11,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 22:55:11,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 22:55:11,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 22:55:11,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:11,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 22:55:12,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 22:55:12,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 22:55:12,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 22:55:12,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 22:55:12,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 22:55:12,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 22:55:12,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 22:55:12,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (1/1) ... [2021-07-04 22:55:12,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:55:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 22:55:12,062 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) [2021-07-04 22:55:12,085 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 [2021-07-04 22:55:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-04 22:55:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 22:55:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-07-04 22:55:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 22:55:12,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 22:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-07-04 22:55:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-04 22:55:12,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 22:55:12,301 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-04 22:55:12,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:12 BoogieIcfgContainer [2021-07-04 22:55:12,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 22:55:12,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 22:55:12,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 22:55:12,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 22:55:12,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 10:55:11" (1/3) ... [2021-07-04 22:55:12,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:55:12, skipping insertion in model container [2021-07-04 22:55:12,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:55:11" (2/3) ... [2021-07-04 22:55:12,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:55:12, skipping insertion in model container [2021-07-04 22:55:12,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:12" (3/3) ... [2021-07-04 22:55:12,307 INFO L111 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2021-07-04 22:55:12,311 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 22:55:12,311 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 22:55:12,354 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 22:55:12,357 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 22:55:12,358 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 22:55:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:55:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-07-04 22:55:12,367 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:55:12,368 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-07-04 22:55:12,368 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:55:12,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:55:12,372 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-07-04 22:55:12,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 22:55:12,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739624828] [2021-07-04 22:55:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:55:12,379 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 22:55:12,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 22:55:12,381 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) [2021-07-04 22:55:12,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-04 22:55:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:55:12,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-04 22:55:12,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 22:55:12,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:55:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:55:12,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:55:12,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:55:12,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 22:55:12,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 22:55:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 22:55:12,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 22:55:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 22:55:12,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-04 22:55:12,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:55:12,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:55:12,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:55:12,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:55:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:55:12,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 22:55:12,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:55:12,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:55:12,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:55:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:55:12,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 22:55:12,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 22:55:12,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 22:55:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 22:55:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 22:55:12,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-04 22:55:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-04 22:55:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 22:55:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-04 22:55:12,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-04 22:55:12,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 22:55:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:55:12,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 22:55:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:55:12,649 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 22:55:12,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739624828] [2021-07-04 22:55:12,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739624828] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 22:55:12,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:55:12,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-07-04 22:55:12,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013509642] [2021-07-04 22:55:12,653 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-04 22:55:12,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 22:55:12,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-04 22:55:12,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-04 22:55:12,662 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 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) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-07-04 22:55:12,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:55:12,697 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2021-07-04 22:55:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-04 22:55:12,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 [2021-07-04 22:55:12,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:55:12,702 INFO L225 Difference]: With dead ends: 15 [2021-07-04 22:55:12,702 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 22:55:12,704 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 54.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-04 22:55:12,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 22:55:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 22:55:12,716 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) [2021-07-04 22:55:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 22:55:12,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-07-04 22:55:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:55:12,717 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 22:55:12,717 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-07-04 22:55:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 22:55:12,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 22:55:12,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 22:55:12,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:55:12,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L758 garLoopResultBuilder]: At program point L123(lines 119 124) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 114) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L758 garLoopResultBuilder]: At program point L116(lines 110 117) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point L114(line 114) no Hoare annotation was computed. [2021-07-04 22:55:12,749 INFO L762 garLoopResultBuilder]: For program point L114-1(line 114) no Hoare annotation was computed. [2021-07-04 22:55:12,750 INFO L762 garLoopResultBuilder]: For program point L114-3(line 114) no Hoare annotation was computed. [2021-07-04 22:55:12,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-07-04 22:55:12,950 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 22:55:12,950 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 22:55:12,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:12,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:12,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:12,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:12,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 10:55:12 BoogieIcfgContainer [2021-07-04 22:55:12,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 22:55:12,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 22:55:12,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 22:55:12,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 22:55:12,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:55:12" (3/4) ... [2021-07-04 22:55:12,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-04 22:55:12,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-07-04 22:55:12,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-04 22:55:12,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 22:55:12,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 22:55:13,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-04 22:55:13,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 22:55:13,002 INFO L168 Benchmark]: Toolchain (without parser) took 1204.13 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 35.0 MB in the beginning and 32.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,003 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:55:13,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.35 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 38.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 37.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:55:13,007 INFO L168 Benchmark]: Boogie Preprocessor took 34.42 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 36.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,007 INFO L168 Benchmark]: RCFGBuilder took 264.71 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 52.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,007 INFO L168 Benchmark]: TraceAbstraction took 657.78 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 34.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,007 INFO L168 Benchmark]: Witness Printer took 40.21 ms. Allocated memory is still 71.3 MB. Free memory was 34.3 MB in the beginning and 32.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:55:13,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 56.6 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 168.35 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 38.9 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 37.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.42 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 36.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 264.71 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 52.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 657.78 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 34.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 40.21 ms. Allocated memory is still 71.3 MB. Free memory was 34.3 MB in the beginning and 32.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 114]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 600.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 4.8ms, AutomataDifference: 49.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 29.2ms, InitialAbstractionConstructionTime: 5.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 54.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 19.7ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 6.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 36.3ms SsaConstructionTime, 31.1ms SatisfiabilityAnalysisTime, 165.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 10 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 119]: Loop Invariant [2021-07-04 22:55:13,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:13,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 110]: Loop Invariant [2021-07-04 22:55:13,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:55:13,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-07-04 22:55:13,041 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...