./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=/tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer --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=/tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer --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 [2020-11-28 03:03:40,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:40,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:40,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:40,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:40,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:40,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:40,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:40,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:40,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:40,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:40,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:40,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:40,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:40,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:40,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:40,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:40,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:40,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:40,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:40,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:40,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:40,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:40,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:40,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:40,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:40,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:40,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:40,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:40,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:40,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:40,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:40,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:40,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:40,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:40,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:40,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:40,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:40,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:40,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:40,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:40,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:03:40,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:40,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:40,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:40,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:40,762 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:40,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:40,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:40,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:40,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:40,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:40,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:40,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:40,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:40,764 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:40,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:40,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:40,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:40,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:40,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:40,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:40,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:40,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:40,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:40,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:40,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:40,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:40,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:03:40,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:40,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:40,769 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:/tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-11-28 03:03:41,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:41,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:41,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:41,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:41,116 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:41,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-28 03:03:41,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/1a6d8001d/d346bc800c8e4e0e9bdc24e554cc5463/FLAG92ec73fbe [2020-11-28 03:03:41,782 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:41,783 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-28 03:03:41,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/1a6d8001d/d346bc800c8e4e0e9bdc24e554cc5463/FLAG92ec73fbe [2020-11-28 03:03:42,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/1a6d8001d/d346bc800c8e4e0e9bdc24e554cc5463 [2020-11-28 03:03:42,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:42,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:42,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:42,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:42,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:42,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec7a45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42, skipping insertion in model container [2020-11-28 03:03:42,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:42,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:42,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:42,493 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:42,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:42,583 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:42,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42 WrapperNode [2020-11-28 03:03:42,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:42,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:42,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:42,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:42,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:42,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:42,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:42,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:42,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... [2020-11-28 03:03:42,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:42,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:42,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:42,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:42,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/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 [2020-11-28 03:03:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 03:03:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 03:03:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-28 03:03:43,410 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:43,410 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-28 03:03:43,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:43 BoogieIcfgContainer [2020-11-28 03:03:43,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:43,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:03:43,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:03:43,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:03:43,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:42" (1/3) ... [2020-11-28 03:03:43,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544587c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:43, skipping insertion in model container [2020-11-28 03:03:43,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:42" (2/3) ... [2020-11-28 03:03:43,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544587c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:43, skipping insertion in model container [2020-11-28 03:03:43,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:43" (3/3) ... [2020-11-28 03:03:43,437 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2020-11-28 03:03:43,461 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:03:43,466 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:03:43,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:03:43,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:03:43,512 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:03:43,512 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:03:43,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:43,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:43,513 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:03:43,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:43,513 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:03:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-28 03:03:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:03:43,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:43,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:43,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:43,545 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2020-11-28 03:03:43,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:43,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630135276] [2020-11-28 03:03:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:43,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:43,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:43,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:43,803 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:03:43,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:03:43,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:03:43 BoogieIcfgContainer [2020-11-28 03:03:43,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:03:43,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:43,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:43,846 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:43,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:43" (3/4) ... [2020-11-28 03:03:43,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:03:43,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:43,854 INFO L168 Benchmark]: Toolchain (without parser) took 1717.45 ms. Allocated memory is still 125.8 MB. Free memory was 95.8 MB in the beginning and 62.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,855 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:43,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.01 ms. Allocated memory is still 125.8 MB. Free memory was 95.8 MB in the beginning and 100.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.06 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 98.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,859 INFO L168 Benchmark]: Boogie Preprocessor took 38.11 ms. Allocated memory is still 125.8 MB. Free memory was 98.4 MB in the beginning and 96.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:43,860 INFO L168 Benchmark]: RCFGBuilder took 731.54 ms. Allocated memory is still 125.8 MB. Free memory was 96.9 MB in the beginning and 77.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,861 INFO L168 Benchmark]: TraceAbstraction took 421.41 ms. Allocated memory is still 125.8 MB. Free memory was 76.9 MB in the beginning and 62.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,862 INFO L168 Benchmark]: Witness Printer took 5.54 ms. Allocated memory is still 125.8 MB. Free memory was 62.8 MB in the beginning and 62.2 MB in the end (delta: 510.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:43,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.01 ms. Allocated memory is still 125.8 MB. Free memory was 95.8 MB in the beginning and 100.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.06 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 98.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.11 ms. Allocated memory is still 125.8 MB. Free memory was 98.4 MB in the beginning and 96.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 731.54 ms. Allocated memory is still 125.8 MB. Free memory was 96.9 MB in the beginning and 77.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 421.41 ms. Allocated memory is still 125.8 MB. Free memory was 76.9 MB in the beginning and 62.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.54 ms. Allocated memory is still 125.8 MB. Free memory was 62.8 MB in the beginning and 62.2 MB in the end (delta: 510.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 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 [2020-11-28 03:03:47,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:47,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:47,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:47,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:47,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:47,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:47,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:47,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:47,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:47,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:47,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:47,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:47,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:47,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:47,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:47,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:47,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:47,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:47,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:47,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:47,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:47,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:47,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:47,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:47,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:47,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:47,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:47,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:47,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:47,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:47,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:47,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:47,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:47,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:47,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:47,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:47,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:47,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:47,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:47,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:47,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:03:47,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:47,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:47,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:47,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:47,272 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:47,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:47,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:47,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:47,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:47,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:47,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:47,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:47,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:03:47,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:03:47,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:47,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:47,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:47,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:47,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:47,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:47,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:47,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:47,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:47,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:47,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:47,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:47,278 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:03:47,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:03:47,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:47,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:47,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:03:47,279 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:/tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-11-28 03:03:47,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:47,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:47,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:47,826 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:47,827 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:47,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-28 03:03:47,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/8ff03de7b/97313c81373c40659582428f9bedb127/FLAG4e3e96ed4 [2020-11-28 03:03:48,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:48,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-28 03:03:48,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/8ff03de7b/97313c81373c40659582428f9bedb127/FLAG4e3e96ed4 [2020-11-28 03:03:49,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/data/8ff03de7b/97313c81373c40659582428f9bedb127 [2020-11-28 03:03:49,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:49,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:49,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:49,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:49,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:49,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f4b8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49, skipping insertion in model container [2020-11-28 03:03:49,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:49,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:49,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:49,347 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:49,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:49,501 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:49,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49 WrapperNode [2020-11-28 03:03:49,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:49,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:49,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:49,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:49,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:49,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:49,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:49,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:49,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... [2020-11-28 03:03:49,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:49,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:49,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:49,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:49,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_020aca5e-0e35-4271-88cf-859469f5d2ed/bin/uautomizer/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 [2020-11-28 03:03:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-28 03:03:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:03:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 03:03:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 03:04:05,534 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-11-28 03:04:05,540 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-11-28 03:04:05,550 INFO L168 Benchmark]: Toolchain (without parser) took 16509.40 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.5 MB in the beginning and 29.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:05,552 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:05,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.14 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.2 MB in the beginning and 38.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:05,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 36.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:05,556 INFO L168 Benchmark]: Boogie Preprocessor took 50.63 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:05,557 INFO L168 Benchmark]: RCFGBuilder took 15918.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 29.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:05,562 INFO L339 ainManager$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 46.1 MB. Free memory was 27.9 MB in the beginning and 27.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.14 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.2 MB in the beginning and 38.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.42 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 36.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.63 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 34.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15918.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 29.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 11.7 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...