./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter2_iterated.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 4d18c017f419dc210dcbafa8af1edf74b131b258 ................................................................................................................................................................................................................................................ 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/filter2_iterated.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 4d18c017f419dc210dcbafa8af1edf74b131b258 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:17:47,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:17:47,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:17:47,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:17:47,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:17:47,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:17:47,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:17:47,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:17:47,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:17:47,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:17:47,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:17:47,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:17:47,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:17:47,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:17:47,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:17:47,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:17:47,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:17:47,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:17:47,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:17:47,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:17:47,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:17:47,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:17:47,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:17:47,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:17:47,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:17:47,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:17:47,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:17:47,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:17:47,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:17:47,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:17:47,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:17:47,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:17:47,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:17:47,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:17:47,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:17:47,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:17:47,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:17:47,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:17:47,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:17:47,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:17:47,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:17:47,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:17:47,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:17:47,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:17:47,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:17:47,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:17:47,318 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:17:47,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:17:47,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:17:47,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:17:47,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:17:47,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:17:47,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:17:47,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:17:47,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:17:47,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:17:47,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:17:47,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:17:47,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:17:47,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:17:47,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:17:47,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:17:47,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:17:47,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:17:47,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:17:47,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:17:47,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:17:47,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:17:47,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:17:47,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:17:47,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:17:47,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-10-20 00:17:47,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:17:47,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:17:47,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:17:47,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:17:47,550 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:17:47,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-20 00:17:47,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afb851a5/0fc05e8154254ee1bd83e67c65c84767/FLAG96aacc905 [2020-10-20 00:17:48,121 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:17:48,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-20 00:17:48,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afb851a5/0fc05e8154254ee1bd83e67c65c84767/FLAG96aacc905 [2020-10-20 00:17:48,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afb851a5/0fc05e8154254ee1bd83e67c65c84767 [2020-10-20 00:17:48,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:17:48,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:17:48,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:17:48,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:17:48,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:17:48,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:48,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d540f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48, skipping insertion in model container [2020-10-20 00:17:48,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:48,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:17:48,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:17:48,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:17:48,882 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:17:48,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:17:48,982 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:17:48,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48 WrapperNode [2020-10-20 00:17:48,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:17:48,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:17:48,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:17:48,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:17:48,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:17:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:17:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:17:49,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:17:49,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (1/1) ... [2020-10-20 00:17:49,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:17:49,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:17:49,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:17:49,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:17:49,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (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 [2020-10-20 00:17:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:17:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:17:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:17:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:17:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:17:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:17:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:17:49,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:17:49,604 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-20 00:17:49,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:17:49 BoogieIcfgContainer [2020-10-20 00:17:49,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:17:49,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:17:49,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:17:49,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:17:49,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:17:48" (1/3) ... [2020-10-20 00:17:49,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fa4847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:17:49, skipping insertion in model container [2020-10-20 00:17:49,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:48" (2/3) ... [2020-10-20 00:17:49,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fa4847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:17:49, skipping insertion in model container [2020-10-20 00:17:49,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:17:49" (3/3) ... [2020-10-20 00:17:49,616 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2020-10-20 00:17:49,630 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:17:49,638 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:17:49,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:17:49,678 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:17:49,678 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:17:49,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:17:49,679 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:17:49,679 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:17:49,679 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:17:49,679 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:17:49,680 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:17:49,692 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-20 00:17:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 00:17:49,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:17:49,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:17:49,699 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:17:49,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:17:49,704 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2020-10-20 00:17:49,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:17:49,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251475309] [2020-10-20 00:17:49,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:17:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:17:49,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:17:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:17:49,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:17:49,949 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:17:49,950 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:17:49,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:17:49,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:17:49 BoogieIcfgContainer [2020-10-20 00:17:49,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:17:49,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:17:49,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:17:49,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:17:49,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:17:49" (3/4) ... [2020-10-20 00:17:49,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:17:49,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:17:49,999 INFO L168 Benchmark]: Toolchain (without parser) took 1458.90 ms. Allocated memory was 40.4 MB in the beginning and 44.0 MB in the end (delta: 3.7 MB). Free memory was 17.9 MB in the beginning and 18.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,000 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.61 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 15.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.57 ms. Allocated memory is still 41.4 MB. Free memory was 15.5 MB in the beginning and 13.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,004 INFO L168 Benchmark]: Boogie Preprocessor took 35.45 ms. Allocated memory is still 41.4 MB. Free memory was 13.3 MB in the beginning and 11.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,005 INFO L168 Benchmark]: RCFGBuilder took 504.11 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 11.5 MB in the beginning and 21.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,007 INFO L168 Benchmark]: TraceAbstraction took 381.37 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 20.7 MB in the beginning and 19.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,008 INFO L168 Benchmark]: Witness Printer took 6.17 ms. Allocated memory is still 44.0 MB. Free memory was 19.2 MB in the beginning and 18.9 MB in the end (delta: 283.9 kB). Peak memory consumption was 283.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:17:50,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 439.61 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.0 MB in the beginning and 15.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.57 ms. Allocated memory is still 41.4 MB. Free memory was 15.5 MB in the beginning and 13.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 35.45 ms. Allocated memory is still 41.4 MB. Free memory was 13.3 MB in the beginning and 11.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 504.11 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 11.5 MB in the beginning and 21.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 381.37 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 20.7 MB in the beginning and 19.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Witness Printer took 6.17 ms. Allocated memory is still 44.0 MB. Free memory was 19.2 MB in the beginning and 18.9 MB in the end (delta: 283.9 kB). Peak memory consumption was 283.9 kB. Max. memory is 14.3 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 74, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; VAL [E={3:0}, E2={5:0}, INIT1=0, INIT2=0, P=0, S={6:0}, S2={7:0}, X=0] [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L63] COND FALSE !(X >= -400. && X <= 400.) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L68] COND FALSE !(X >= -800. && X <= 800.) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L9] COND TRUE !(cond) VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] [L3] __assert_fail("0", "filter2_iterated.c", 3, "reach_error") VAL [E={3:0}, E2={5:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 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=18occurred 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, 8 NumberOfCodeBlocks, 8 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 0.1.25-9a8b2e8 [2020-10-20 00:17:52,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:17:52,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:17:52,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:17:52,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:17:52,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:17:52,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:17:52,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:17:52,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:17:52,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:17:52,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:17:52,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:17:52,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:17:52,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:17:52,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:17:52,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:17:52,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:17:52,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:17:52,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:17:52,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:17:52,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:17:52,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:17:52,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:17:52,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:17:52,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:17:52,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:17:52,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:17:52,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:17:52,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:17:52,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:17:52,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:17:52,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:17:52,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:17:52,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:17:52,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:17:52,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:17:52,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:17:52,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:17:52,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:17:52,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:17:52,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:17:52,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:17:52,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:17:52,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:17:52,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:17:52,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:17:52,394 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:17:52,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:17:52,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:17:52,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:17:52,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:17:52,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:17:52,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:17:52,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:17:52,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:17:52,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:17:52,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:17:52,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:17:52,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:17:52,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:17:52,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:17:52,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:17:52,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:17:52,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:17:52,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:17:52,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:17:52,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:17:52,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:17:52,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:17:52,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:17:52,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:17:52,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:17:52,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:17:52,403 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-10-20 00:17:52,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:17:52,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:17:52,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:17:52,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:17:52,631 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:17:52,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-20 00:17:52,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba15baac0/ae7c09c706514db7a327ed0f67b7472d/FLAG46c9cbaff [2020-10-20 00:17:53,160 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:17:53,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-20 00:17:53,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba15baac0/ae7c09c706514db7a327ed0f67b7472d/FLAG46c9cbaff [2020-10-20 00:17:53,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba15baac0/ae7c09c706514db7a327ed0f67b7472d [2020-10-20 00:17:53,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:17:53,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:17:53,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:17:53,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:17:53,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:17:53,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:53,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34232cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53, skipping insertion in model container [2020-10-20 00:17:53,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:53,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:17:53,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:17:53,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:17:53,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:17:53,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:17:53,983 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:17:53,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53 WrapperNode [2020-10-20 00:17:53,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:17:53,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:17:53,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:17:53,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:17:53,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:17:54,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:17:54,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:17:54,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:17:54,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (1/1) ... [2020-10-20 00:17:54,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:17:54,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:17:54,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:17:54,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:17:54,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:17:53" (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 [2020-10-20 00:17:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-20 00:17:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:17:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:17:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:17:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:17:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:17:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:18:06,536 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-10-20 00:18:06,538 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:214) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:722) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:716) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:630) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-10-20 00:18:06,545 INFO L168 Benchmark]: Toolchain (without parser) took 12993.64 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 12.4 MB in the beginning and 27.2 MB in the end (delta: -14.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,546 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.27 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 22.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.60 ms. Allocated memory is still 43.0 MB. Free memory was 22.1 MB in the beginning and 19.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,549 INFO L168 Benchmark]: Boogie Preprocessor took 39.83 ms. Allocated memory is still 43.0 MB. Free memory was 19.8 MB in the beginning and 17.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,550 INFO L168 Benchmark]: RCFGBuilder took 12464.76 ms. Allocated memory was 43.0 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Free memory was 17.6 MB in the beginning and 27.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:18:06,555 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 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 429.27 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 22.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 50.60 ms. Allocated memory is still 43.0 MB. Free memory was 22.1 MB in the beginning and 19.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 39.83 ms. Allocated memory is still 43.0 MB. Free memory was 19.8 MB in the beginning and 17.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 12464.76 ms. Allocated memory was 43.0 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Free memory was 17.6 MB in the beginning and 27.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...