./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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/float11.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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 ................................................................................................................................................................................................................................ 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/float11.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 6a6a56042e14a7445bc111b9dad948055cf7a2c8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:57:04,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:57:04,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:57:04,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:57:04,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:57:04,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:57:04,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:57:04,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:57:04,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:57:04,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:57:04,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:57:04,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:57:04,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:57:04,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:57:04,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:57:04,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:57:04,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:57:04,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:57:04,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:57:04,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:57:04,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:57:04,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:57:04,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:57:04,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:57:04,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:57:04,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:57:04,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:57:04,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:57:04,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:57:04,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:57:04,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:57:04,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:57:04,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:57:04,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:57:04,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:57:04,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:57:04,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:57:04,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:57:04,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:57:04,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:57:04,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:57:04,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:57:04,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:57:04,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:57:04,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:57:04,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:57:04,516 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:57:04,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:57:04,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:57:04,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:57:04,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:57:04,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:57:04,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:57:04,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:57:04,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:57:04,519 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:57:04,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:57:04,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:57:04,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:57:04,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:57:04,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:57:04,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:57:04,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:57:04,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:04,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:57:04,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:57:04,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:57:04,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:57:04,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:57:04,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:57:04,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:57:04,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-10-24 21:57:04,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:57:05,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:57:05,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:57:05,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:57:05,013 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:57:05,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-10-24 21:57:05,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42328a79e/2096eeab1a3c455b952306b8cb9dff3f/FLAGef0dff31f [2020-10-24 21:57:05,753 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:57:05,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-10-24 21:57:05,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42328a79e/2096eeab1a3c455b952306b8cb9dff3f/FLAGef0dff31f [2020-10-24 21:57:06,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42328a79e/2096eeab1a3c455b952306b8cb9dff3f [2020-10-24 21:57:06,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:57:06,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:57:06,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:06,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:57:06,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:57:06,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464ab799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06, skipping insertion in model container [2020-10-24 21:57:06,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:57:06,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:57:06,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:06,374 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:57:06,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:06,417 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:57:06,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06 WrapperNode [2020-10-24 21:57:06,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:06,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:06,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:57:06,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:57:06,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:06,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:57:06,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:57:06,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:57:06,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... [2020-10-24 21:57:06,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:57:06,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:57:06,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:57:06,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:57:06,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:57:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:57:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 21:57:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:57:07,147 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:57:07,150 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-10-24 21:57:07,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:07 BoogieIcfgContainer [2020-10-24 21:57:07,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:57:07,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:57:07,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:57:07,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:57:07,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:57:06" (1/3) ... [2020-10-24 21:57:07,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc2c19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:07, skipping insertion in model container [2020-10-24 21:57:07,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:06" (2/3) ... [2020-10-24 21:57:07,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc2c19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:07, skipping insertion in model container [2020-10-24 21:57:07,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:07" (3/3) ... [2020-10-24 21:57:07,168 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-10-24 21:57:07,197 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:57:07,202 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-10-24 21:57:07,217 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-10-24 21:57:07,270 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:57:07,270 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:57:07,270 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:57:07,271 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:57:07,271 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:57:07,271 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:57:07,272 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:57:07,272 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:57:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-24 21:57:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-24 21:57:07,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:07,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-24 21:57:07,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:07,327 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-24 21:57:07,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 21:57:07,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459785421] [2020-10-24 21:57:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 21:57:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:57:07,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:57:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:57:07,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:57:07,495 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 21:57:07,496 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 21:57:07,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 21:57:07,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:57:07 BoogieIcfgContainer [2020-10-24 21:57:07,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:57:07,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:57:07,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:57:07,520 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:57:07,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:07" (3/4) ... [2020-10-24 21:57:07,524 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 21:57:07,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:57:07,528 INFO L168 Benchmark]: Toolchain (without parser) took 1446.23 ms. Allocated memory is still 58.7 MB. Free memory was 35.5 MB in the beginning and 30.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:07,529 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:07,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.43 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 38.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:07,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.46 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 36.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:07,532 INFO L168 Benchmark]: Boogie Preprocessor took 28.30 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 34.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:07,533 INFO L168 Benchmark]: RCFGBuilder took 658.16 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 27.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:07,534 INFO L168 Benchmark]: TraceAbstraction took 361.86 ms. Allocated memory is still 58.7 MB. Free memory was 26.5 MB in the beginning and 31.5 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:07,534 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 30.9 MB in the end (delta: 270.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:07,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.43 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 38.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.46 ms. Allocated memory is still 58.7 MB. Free memory was 38.0 MB in the beginning and 36.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.30 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 34.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 658.16 ms. Allocated memory is still 58.7 MB. Free memory was 34.9 MB in the beginning and 27.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 361.86 ms. Allocated memory is still 58.7 MB. Free memory was 26.5 MB in the beginning and 31.5 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.65 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 30.9 MB in the end (delta: 270.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L3] __assert_fail("0", "float11.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:57:10,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:57:10,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:57:10,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:57:10,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:57:10,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:57:10,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:57:10,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:57:10,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:57:10,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:57:10,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:57:10,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:57:10,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:57:10,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:57:10,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:57:10,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:57:10,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:57:10,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:57:10,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:57:10,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:57:10,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:57:10,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:57:10,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:57:10,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:57:10,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:57:10,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:57:10,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:57:10,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:57:10,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:57:10,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:57:10,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:57:10,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:57:10,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:57:10,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:57:10,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:57:10,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:57:10,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:57:10,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:57:10,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:57:10,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:57:10,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:57:10,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:57:10,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:57:10,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:57:10,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:57:10,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:57:10,332 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:57:10,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:57:10,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:57:10,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:57:10,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:57:10,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:57:10,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:57:10,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:57:10,334 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:57:10,334 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:57:10,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:57:10,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:57:10,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:57:10,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:57:10,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:57:10,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:57:10,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:57:10,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:57:10,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:10,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:57:10,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:57:10,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:57:10,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:57:10,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:57:10,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:57:10,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:57:10,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:57:10,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6a56042e14a7445bc111b9dad948055cf7a2c8 [2020-10-24 21:57:10,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:57:10,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:57:10,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:57:10,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:57:10,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:57:10,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-10-24 21:57:10,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdb4a7e6/d3ecdbd5b2f342dbaa3e83297cf4c884/FLAG64075565a [2020-10-24 21:57:11,558 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:57:11,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float11.c [2020-10-24 21:57:11,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdb4a7e6/d3ecdbd5b2f342dbaa3e83297cf4c884/FLAG64075565a [2020-10-24 21:57:11,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdb4a7e6/d3ecdbd5b2f342dbaa3e83297cf4c884 [2020-10-24 21:57:11,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:57:11,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:57:11,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:11,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:57:11,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:57:11,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:11" (1/1) ... [2020-10-24 21:57:11,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e711aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:11, skipping insertion in model container [2020-10-24 21:57:11,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:57:11" (1/1) ... [2020-10-24 21:57:11,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:57:11,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:57:12,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:12,161 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:57:12,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:57:12,220 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:57:12,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12 WrapperNode [2020-10-24 21:57:12,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:57:12,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:12,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:57:12,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:57:12,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:57:12,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:57:12,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:57:12,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:57:12,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... [2020-10-24 21:57:12,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:57:12,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:57:12,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:57:12,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:57:12,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:57:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:57:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:57:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 21:57:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:57:13,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:57:13,153 INFO L298 CfgBuilder]: Removed 64 assume(true) statements. [2020-10-24 21:57:13,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:13 BoogieIcfgContainer [2020-10-24 21:57:13,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:57:13,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:57:13,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:57:13,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:57:13,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:57:11" (1/3) ... [2020-10-24 21:57:13,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376ed3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:13, skipping insertion in model container [2020-10-24 21:57:13,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:57:12" (2/3) ... [2020-10-24 21:57:13,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376ed3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:57:13, skipping insertion in model container [2020-10-24 21:57:13,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:13" (3/3) ... [2020-10-24 21:57:13,172 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2020-10-24 21:57:13,187 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:57:13,194 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-10-24 21:57:13,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-10-24 21:57:13,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:57:13,257 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:57:13,257 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:57:13,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:57:13,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:57:13,259 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:57:13,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:57:13,260 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:57:13,294 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-24 21:57:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-24 21:57:13,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:57:13,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-24 21:57:13,305 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:57:13,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:57:13,312 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-24 21:57:13,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:57:13,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764779293] [2020-10-24 21:57:13,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 21:57:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:57:13,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 21:57:13,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:57:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:13,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:57:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:57:13,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764779293] [2020-10-24 21:57:13,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:57:13,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 21:57:13,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647677706] [2020-10-24 21:57:13,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 21:57:13,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:57:13,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 21:57:13,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:57:13,449 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-24 21:57:13,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:57:13,473 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2020-10-24 21:57:13,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 21:57:13,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-24 21:57:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:57:13,482 INFO L225 Difference]: With dead ends: 157 [2020-10-24 21:57:13,482 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 21:57:13,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:57:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 21:57:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 21:57:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 21:57:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 21:57:13,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-10-24 21:57:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:57:13,518 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 21:57:13,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 21:57:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 21:57:13,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 21:57:13,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 21:57:13,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 21:57:13,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L19-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L36-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,741 INFO L274 CegarLoopResult]: For program point L3-3(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-5(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-7(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,742 INFO L274 CegarLoopResult]: For program point L3-9(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-10(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-11(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-12(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-13(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-14(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-15(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L3-16(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,743 INFO L274 CegarLoopResult]: For program point L20-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-17(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-18(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-19(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-20(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-21(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-22(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-23(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,744 INFO L274 CegarLoopResult]: For program point L3-24(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-25(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-26(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-27(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-28(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-29(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,745 INFO L274 CegarLoopResult]: For program point L3-30(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-31(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L4(lines 4 42) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-32(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-33(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-34(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-35(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-36(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-37(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,746 INFO L274 CegarLoopResult]: For program point L3-38(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,747 INFO L274 CegarLoopResult]: For program point L3-39(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,747 INFO L274 CegarLoopResult]: For program point L3-40(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,750 INFO L274 CegarLoopResult]: For program point L3-41(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,750 INFO L274 CegarLoopResult]: For program point L3-42(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,750 INFO L274 CegarLoopResult]: For program point L3-43(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,751 INFO L274 CegarLoopResult]: For program point L3-44(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,751 INFO L274 CegarLoopResult]: For program point L3-45(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,751 INFO L274 CegarLoopResult]: For program point L3-46(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,752 INFO L274 CegarLoopResult]: For program point L21-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,752 INFO L274 CegarLoopResult]: For program point L3-47(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,752 INFO L274 CegarLoopResult]: For program point L3-48(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,753 INFO L274 CegarLoopResult]: For program point L3-49(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,753 INFO L274 CegarLoopResult]: For program point L3-50(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,758 INFO L274 CegarLoopResult]: For program point L3-51(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,758 INFO L274 CegarLoopResult]: For program point L3-52(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,759 INFO L274 CegarLoopResult]: For program point L3-53(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,759 INFO L274 CegarLoopResult]: For program point L3-54(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,760 INFO L274 CegarLoopResult]: For program point L3-55(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,760 INFO L274 CegarLoopResult]: For program point L3-56(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,760 INFO L274 CegarLoopResult]: For program point L3-57(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,762 INFO L274 CegarLoopResult]: For program point L3-58(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,762 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,763 INFO L274 CegarLoopResult]: For program point L3-59(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,763 INFO L274 CegarLoopResult]: For program point L38-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,763 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,763 INFO L274 CegarLoopResult]: For program point L22-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point L39-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point L23-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point L40-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,764 INFO L274 CegarLoopResult]: For program point L7-2(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,765 INFO L274 CegarLoopResult]: For program point L24-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,766 INFO L274 CegarLoopResult]: For program point L8-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 21:57:13,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,767 INFO L274 CegarLoopResult]: For program point L25-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,767 INFO L274 CegarLoopResult]: For program point L9-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,768 INFO L274 CegarLoopResult]: For program point L26-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,768 INFO L274 CegarLoopResult]: For program point L10-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,768 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,769 INFO L274 CegarLoopResult]: For program point L11-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,770 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 21:57:13,770 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,770 INFO L274 CegarLoopResult]: For program point L12-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,770 INFO L274 CegarLoopResult]: For program point L29-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,770 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,771 INFO L274 CegarLoopResult]: For program point L13-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,771 INFO L274 CegarLoopResult]: For program point L30-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,771 INFO L274 CegarLoopResult]: For program point L14-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,772 INFO L274 CegarLoopResult]: For program point L31-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,772 INFO L274 CegarLoopResult]: For program point L15-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,772 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 21:57:13,773 INFO L274 CegarLoopResult]: For program point L32-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,774 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,774 INFO L274 CegarLoopResult]: For program point L33-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,775 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,775 INFO L274 CegarLoopResult]: For program point L34-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,776 INFO L274 CegarLoopResult]: For program point L18-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:57:13,777 INFO L274 CegarLoopResult]: For program point L35-1(lines 5 42) no Hoare annotation was computed. [2020-10-24 21:57:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:57:13 BoogieIcfgContainer [2020-10-24 21:57:13,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:57:13,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:57:13,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:57:13,790 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:57:13,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:57:13" (3/4) ... [2020-10-24 21:57:13,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 21:57:13,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-24 21:57:13,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 21:57:13,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 21:57:13,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 21:57:13,908 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 21:57:13,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:57:13,914 INFO L168 Benchmark]: Toolchain (without parser) took 2020.71 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 25.9 MB in the beginning and 46.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,916 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 22.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:13,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.10 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 25.6 MB in the end (delta: -420.2 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.34 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,920 INFO L168 Benchmark]: Boogie Preprocessor took 34.87 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 22.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:57:13,921 INFO L168 Benchmark]: RCFGBuilder took 842.74 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 22.1 MB in the beginning and 38.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,922 INFO L168 Benchmark]: TraceAbstraction took 625.42 ms. Allocated memory is still 65.0 MB. Free memory was 38.0 MB in the beginning and 32.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,922 INFO L168 Benchmark]: Witness Printer took 119.78 ms. Allocated memory is still 65.0 MB. Free memory was 32.8 MB in the beginning and 46.7 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:57:13,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 22.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.10 ms. Allocated memory is still 48.2 MB. Free memory was 25.2 MB in the beginning and 25.6 MB in the end (delta: -420.2 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.34 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 23.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.87 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 22.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 842.74 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 22.1 MB in the beginning and 38.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 625.42 ms. Allocated memory is still 65.0 MB. Free memory was 38.0 MB in the beginning and 32.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Witness Printer took 119.78 ms. Allocated memory is still 65.0 MB. Free memory was 32.8 MB in the beginning and 46.7 MB in the end (delta: -13.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...