./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_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/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_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/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 [2020-11-30 00:16:35,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:16:35,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:16:35,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:16:35,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:16:35,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:16:35,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:16:35,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:16:35,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:16:35,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:16:35,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:16:35,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:16:35,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:16:35,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:16:35,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:16:35,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:16:35,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:16:35,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:16:35,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:16:35,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:16:35,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:16:35,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:16:35,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:16:35,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:16:35,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:16:35,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:16:35,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:16:35,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:16:35,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:16:35,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:16:35,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:16:35,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:16:35,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:16:35,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:16:35,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:16:35,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:16:35,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:16:35,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:16:35,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:16:35,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:16:35,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:16:35,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:16:35,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:16:35,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:16:35,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:16:35,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:16:35,490 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:16:35,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:16:35,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:16:35,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:16:35,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:16:35,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:16:35,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:16:35,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:16:35,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:16:35,493 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:16:35,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:16:35,493 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:16:35,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:16:35,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:16:35,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:16:35,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:16:35,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:16:35,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:16:35,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:16:35,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:16:35,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:16:35,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:16:35,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:16:35,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:16:35,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:16:35,496 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_e435107f-e054-4135-add7-5275fe4a8f54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-11-30 00:16:35,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:16:35,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:16:35,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:16:35,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:16:35,868 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:16:35,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-30 00:16:35,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/8bbc96452/58936175489e41c79af666f4a73cddad/FLAG21bc1f988 [2020-11-30 00:16:36,486 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:16:36,488 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-30 00:16:36,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/8bbc96452/58936175489e41c79af666f4a73cddad/FLAG21bc1f988 [2020-11-30 00:16:36,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/8bbc96452/58936175489e41c79af666f4a73cddad [2020-11-30 00:16:36,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:16:36,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:16:36,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:36,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:16:36,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:16:36,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:36" (1/1) ... [2020-11-30 00:16:36,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e29a560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:36, skipping insertion in model container [2020-11-30 00:16:36,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:36" (1/1) ... [2020-11-30 00:16:36,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:16:36,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:16:37,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:37,095 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:16:37,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:37,147 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:16:37,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37 WrapperNode [2020-11-30 00:16:37,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:37,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:37,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:16:37,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:16:37,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:37,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:16:37,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:16:37,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:16:37,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... [2020-11-30 00:16:37,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:16:37,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:16:37,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:16:37,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:16:37,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/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 [2020-11-30 00:16:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:16:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:16:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:16:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:16:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:16:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:16:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:16:37,809 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:16:37,823 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-30 00:16:37,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:37 BoogieIcfgContainer [2020-11-30 00:16:37,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:16:37,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:16:37,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:16:37,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:16:37,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:16:36" (1/3) ... [2020-11-30 00:16:37,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c60d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:16:37, skipping insertion in model container [2020-11-30 00:16:37,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:37" (2/3) ... [2020-11-30 00:16:37,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c60d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:16:37, skipping insertion in model container [2020-11-30 00:16:37,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:37" (3/3) ... [2020-11-30 00:16:37,836 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2020-11-30 00:16:37,848 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:16:37,853 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:16:37,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:16:37,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:16:37,913 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:16:37,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:16:37,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:16:37,914 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:16:37,914 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:16:37,914 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:16:37,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:16:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-30 00:16:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:16:37,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:16:37,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:16:37,949 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:16:37,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:16:37,957 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2020-11-30 00:16:37,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:16:37,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251506735] [2020-11-30 00:16:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:16:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:16:38,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:16:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:16:38,254 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:16:38,284 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:16:38,285 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:16:38,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:16:38,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:16:38 BoogieIcfgContainer [2020-11-30 00:16:38,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:16:38,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:16:38,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:16:38,328 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:16:38,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:37" (3/4) ... [2020-11-30 00:16:38,332 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:16:38,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:16:38,335 INFO L168 Benchmark]: Toolchain (without parser) took 1492.30 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 61.6 MB in the beginning and 79.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:38,336 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 73.4 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:38,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.74 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 63.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:38,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 88.1 MB. Free memory was 63.6 MB in the beginning and 61.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:38,339 INFO L168 Benchmark]: Boogie Preprocessor took 60.02 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 60.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:38,340 INFO L168 Benchmark]: RCFGBuilder took 543.28 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 66.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:38,341 INFO L168 Benchmark]: TraceAbstraction took 499.80 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 66.0 MB in the beginning and 79.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:38,342 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 113.2 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:38,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 73.4 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.74 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 63.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 88.1 MB. Free memory was 63.6 MB in the beginning and 61.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.02 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 60.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 543.28 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 66.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 499.80 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 66.0 MB in the beginning and 79.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 113.2 MB. Free memory is still 79.6 MB. 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: 0.3s, 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, 0.1s 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 [2020-11-30 00:16:41,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:16:41,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:16:41,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:16:41,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:16:41,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:16:41,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:16:41,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:16:41,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:16:41,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:16:41,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:16:41,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:16:41,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:16:41,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:16:41,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:16:41,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:16:41,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:16:41,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:16:41,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:16:41,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:16:41,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:16:41,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:16:41,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:16:41,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:16:41,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:16:41,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:16:41,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:16:41,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:16:41,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:16:41,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:16:41,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:16:41,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:16:41,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:16:41,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:16:41,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:16:41,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:16:41,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:16:41,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:16:41,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:16:41,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:16:41,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:16:41,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:16:41,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:16:41,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:16:41,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:16:41,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:16:41,294 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:16:41,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:16:41,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:16:41,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:16:41,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:16:41,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:16:41,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:16:41,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:16:41,297 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:16:41,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:16:41,298 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:16:41,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:16:41,298 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:16:41,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:16:41,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:16:41,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:16:41,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:16:41,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:16:41,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:16:41,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:16:41,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:16:41,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:16:41,301 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:16:41,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:16:41,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:16:41,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:16:41,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:16:41,302 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_e435107f-e054-4135-add7-5275fe4a8f54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2020-11-30 00:16:41,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:16:41,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:16:41,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:16:41,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:16:41,757 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:16:41,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-30 00:16:41,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/bdad61571/eac50c5f1c644aca9e4899a31b4cd917/FLAGc305aacb9 [2020-11-30 00:16:42,371 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:16:42,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/sv-benchmarks/c/float-benchs/filter2_iterated.c [2020-11-30 00:16:42,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/bdad61571/eac50c5f1c644aca9e4899a31b4cd917/FLAGc305aacb9 [2020-11-30 00:16:42,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/bin/uautomizer/data/bdad61571/eac50c5f1c644aca9e4899a31b4cd917 [2020-11-30 00:16:42,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:16:42,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:16:42,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:42,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:16:42,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:16:42,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:42" (1/1) ... [2020-11-30 00:16:42,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed7c1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:42, skipping insertion in model container [2020-11-30 00:16:42,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:42" (1/1) ... [2020-11-30 00:16:42,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:16:42,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:16:43,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:43,070 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:16:43,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:43,234 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:16:43,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43 WrapperNode [2020-11-30 00:16:43,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:43,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:43,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:16:43,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:16:43,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:43,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:16:43,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:16:43,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:16:43,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... [2020-11-30 00:16:43,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:16:43,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:16:43,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:16:43,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:16:43,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e435107f-e054-4135-add7-5275fe4a8f54/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 [2020-11-30 00:16:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 00:16:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:16:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:16:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 00:16:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:16:43,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:16:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 00:16:57,641 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-11-30 00:16:57,642 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2020-11-30 00:16:57,650 INFO L168 Benchmark]: Toolchain (without parser) took 14905.62 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 38.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:57,651 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:57,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.42 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.6 MB in the beginning and 43.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:57,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.12 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:57,654 INFO L168 Benchmark]: Boogie Preprocessor took 84.89 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 39.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:57,655 INFO L168 Benchmark]: RCFGBuilder took 14220.12 ms. Allocated memory is still 62.9 MB. Free memory was 39.0 MB in the beginning and 38.0 MB in the end (delta: 987.0 kB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:57,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.42 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 26.6 MB in the beginning and 43.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.12 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 41.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.89 ms. Allocated memory is still 62.9 MB. Free memory was 41.0 MB in the beginning and 39.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 14220.12 ms. Allocated memory is still 62.9 MB. Free memory was 39.0 MB in the beginning and 38.0 MB in the end (delta: 987.0 kB). Peak memory consumption was 18.3 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...