./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 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/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-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 0.2.0-a4ecdab [2020-10-24 22:12:10,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:12:10,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:12:11,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:12:11,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:12:11,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:12:11,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:12:11,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:12:11,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:12:11,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:12:11,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:12:11,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:12:11,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:12:11,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:12:11,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:12:11,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:12:11,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:12:11,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:12:11,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:12:11,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:12:11,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:12:11,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:12:11,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:12:11,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:12:11,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:12:11,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:12:11,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:12:11,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:12:11,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:12:11,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:12:11,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:12:11,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:12:11,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:12:11,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:12:11,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:12:11,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:12:11,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:12:11,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:12:11,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:12:11,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:12:11,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:12:11,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:12:11,165 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:12:11,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:12:11,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:12:11,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:12:11,168 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:12:11,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:12:11,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:12:11,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:12:11,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:12:11,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:12:11,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:12:11,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:12:11,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:12:11,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:12:11,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:12:11,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:12:11,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:12:11,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:12:11,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:12:11,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:12:11,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:12:11,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:12:11,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:12:11,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:12:11,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:12:11,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:12:11,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:12:11,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:12:11,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:12:11,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-10-24 22:12:11,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:12:11,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:12:11,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:12:11,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:12:11,626 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:12:11,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-24 22:12:11,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed819456/c5d0448fe1fa48159a5049ec7af7e4ea/FLAGab6d9123d [2020-10-24 22:12:12,436 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:12:12,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-24 22:12:12,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed819456/c5d0448fe1fa48159a5049ec7af7e4ea/FLAGab6d9123d [2020-10-24 22:12:12,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed819456/c5d0448fe1fa48159a5049ec7af7e4ea [2020-10-24 22:12:12,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:12:12,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:12:12,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:12:12,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:12:12,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:12:12,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:12:12" (1/1) ... [2020-10-24 22:12:12,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b7b31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:12, skipping insertion in model container [2020-10-24 22:12:12,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:12:12" (1/1) ... [2020-10-24 22:12:12,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:12:12,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:12:13,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:12:13,093 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:12:13,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:12:13,157 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:12:13,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13 WrapperNode [2020-10-24 22:12:13,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:12:13,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:12:13,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:12:13,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:12:13,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:12:13,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:12:13,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:12:13,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:12:13,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (1/1) ... [2020-10-24 22:12:13,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:12:13,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:12:13,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:12:13,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:12:13,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (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 22:12:13,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 22:12:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:12:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 22:12:13,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 22:12:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:12:13,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:12:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 22:12:13,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:12:13,731 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-24 22:12:13,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:12:13 BoogieIcfgContainer [2020-10-24 22:12:13,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:12:13,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:12:13,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:12:13,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:12:13,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:12:12" (1/3) ... [2020-10-24 22:12:13,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebcf837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:12:13, skipping insertion in model container [2020-10-24 22:12:13,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:13" (2/3) ... [2020-10-24 22:12:13,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebcf837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:12:13, skipping insertion in model container [2020-10-24 22:12:13,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:12:13" (3/3) ... [2020-10-24 22:12:13,760 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2020-10-24 22:12:13,791 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:12:13,808 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 22:12:13,839 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 22:12:13,906 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:12:13,906 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:12:13,906 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:12:13,907 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:12:13,907 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:12:13,913 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:12:13,914 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:12:13,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:12:13,934 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-24 22:12:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-24 22:12:13,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:12:13,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:12:13,942 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:12:13,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:12:13,949 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2020-10-24 22:12:13,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 22:12:13,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711952957] [2020-10-24 22:12:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 22:12:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:12:14,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:12:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:12:14,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:12:14,182 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 22:12:14,183 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 22:12:14,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 22:12:14,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:12:14 BoogieIcfgContainer [2020-10-24 22:12:14,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:12:14,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:12:14,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:12:14,223 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:12:14,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:12:13" (3/4) ... [2020-10-24 22:12:14,228 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 22:12:14,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:12:14,232 INFO L168 Benchmark]: Toolchain (without parser) took 1476.01 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 22.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:14,232 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:12:14,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.68 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.5 MB in the beginning and 34.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:14,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.44 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 32.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:14,236 INFO L168 Benchmark]: Boogie Preprocessor took 44.50 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:12:14,237 INFO L168 Benchmark]: RCFGBuilder took 458.50 ms. Allocated memory is still 50.3 MB. Free memory was 30.9 MB in the beginning and 23.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:14,238 INFO L168 Benchmark]: TraceAbstraction took 485.09 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 23.0 MB in the end (delta: -90.3 kB). Peak memory consumption was 426.7 kB. Max. memory is 16.1 GB. [2020-10-24 22:12:14,239 INFO L168 Benchmark]: Witness Printer took 5.81 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 22.8 MB in the end (delta: 248.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:12:14,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 41.9 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.68 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 27.5 MB in the beginning and 34.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.44 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 32.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.50 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 31.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 458.50 ms. Allocated memory is still 50.3 MB. Free memory was 30.9 MB in the beginning and 23.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 485.09 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 23.0 MB in the end (delta: -90.3 kB). Peak memory consumption was 426.7 kB. Max. memory is 16.1 GB. * Witness Printer took 5.81 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 22.8 MB in the end (delta: 248.9 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 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 0.2.0-a4ecdab [2020-10-24 22:12:17,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:12:17,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:12:17,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:12:17,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:12:17,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:12:17,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:12:17,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:12:17,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:12:17,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:12:17,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:12:17,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:12:17,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:12:17,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:12:17,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:12:17,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:12:17,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:12:17,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:12:17,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:12:17,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:12:17,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:12:17,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:12:17,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:12:17,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:12:17,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:12:17,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:12:17,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:12:17,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:12:17,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:12:17,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:12:17,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:12:17,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:12:17,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:12:17,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:12:17,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:12:17,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:12:17,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:12:17,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:12:17,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:12:17,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:12:17,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:12:17,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:12:17,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:12:17,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:12:17,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:12:17,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:12:17,254 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:12:17,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:12:17,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:12:17,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:12:17,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:12:17,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:12:17,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:12:17,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:12:17,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:12:17,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:12:17,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:12:17,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:12:17,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:12:17,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:12:17,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:12:17,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:12:17,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:12:17,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:12:17,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:12:17,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:12:17,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:12:17,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:12:17,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-10-24 22:12:17,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:12:17,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:12:17,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:12:17,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:12:17,754 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:12:17,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-24 22:12:17,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4013f7686/eb14d769ed8a43f4b2c2551b645d2efe/FLAG670a922ce [2020-10-24 22:12:18,570 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:12:18,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-10-24 22:12:18,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4013f7686/eb14d769ed8a43f4b2c2551b645d2efe/FLAG670a922ce [2020-10-24 22:12:18,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4013f7686/eb14d769ed8a43f4b2c2551b645d2efe [2020-10-24 22:12:18,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:12:18,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:12:18,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:12:18,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:12:18,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:12:18,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:12:18" (1/1) ... [2020-10-24 22:12:18,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8fe83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:18, skipping insertion in model container [2020-10-24 22:12:18,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:12:18" (1/1) ... [2020-10-24 22:12:18,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:12:18,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:12:19,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:12:19,278 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:12:19,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:12:19,353 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:12:19,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19 WrapperNode [2020-10-24 22:12:19,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:12:19,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:12:19,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:12:19,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:12:19,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:12:19,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:12:19,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:12:19,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:12:19,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (1/1) ... [2020-10-24 22:12:19,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:12:19,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:12:19,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:12:19,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:12:19,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:12:19" (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 22:12:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-24 22:12:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 22:12:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:12:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 22:12:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:12:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:12:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 22:12:35,320 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-10-24 22:12:35,324 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:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-10-24 22:12:35,337 INFO L168 Benchmark]: Toolchain (without parser) took 16430.84 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 22.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:35,339 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory is still 26.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:12:35,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.44 ms. Allocated memory is still 44.0 MB. Free memory was 27.2 MB in the beginning and 24.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:35,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.66 ms. Allocated memory is still 44.0 MB. Free memory was 24.5 MB in the beginning and 22.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:35,342 INFO L168 Benchmark]: Boogie Preprocessor took 56.43 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 20.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:12:35,343 INFO L168 Benchmark]: RCFGBuilder took 15838.46 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.6 MB in the beginning and 22.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:12:35,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 44.0 MB. Free memory is still 26.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.44 ms. Allocated memory is still 44.0 MB. Free memory was 27.2 MB in the beginning and 24.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.66 ms. Allocated memory is still 44.0 MB. Free memory was 24.5 MB in the beginning and 22.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.43 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 20.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 15838.46 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.6 MB in the beginning and 22.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 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...