./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:36,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:36,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:36,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:36,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:36,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:36,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:36,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:36,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:36,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:36,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:36,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:36,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:36,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:36,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:36,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:36,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:36,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:36,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:36,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:36,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:36,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:36,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:36,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:36,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:36,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:36,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:36,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:36,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:36,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:36,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:36,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:36,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:36,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:36,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:36,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:36,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:36,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:36,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:36,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:36,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:36,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:30:36,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:36,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:36,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:36,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:36,522 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:36,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:36,522 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:36,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:30:36,529 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:36,529 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:36,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:30:36,530 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:30:36,531 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:36,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:30:36,531 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:30:36,531 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:30:36,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:36,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:30:36,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:30:36,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:30:36,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:36,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:36,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:36,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:36,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:36,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:30:36,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:36,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:36,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:36,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:36,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:36,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:36,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:36,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:36,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:36,537 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:30:36,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:30:36,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:36,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:36,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:36,538 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-19 14:30:36,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:36,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:36,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:36,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:36,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:36,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-19 14:30:36,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/d86f90b36/9f7d93be017c4e6d996d93b3af1777f6/FLAG5f77eb507 [2021-11-19 14:30:37,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:37,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-19 14:30:37,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/d86f90b36/9f7d93be017c4e6d996d93b3af1777f6/FLAG5f77eb507 [2021-11-19 14:30:37,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/d86f90b36/9f7d93be017c4e6d996d93b3af1777f6 [2021-11-19 14:30:37,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:37,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:37,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:37,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:37,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:37,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:37" (1/1) ... [2021-11-19 14:30:37,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a280dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:37, skipping insertion in model container [2021-11-19 14:30:37,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:37" (1/1) ... [2021-11-19 14:30:37,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:37,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:38,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-19 14:30:38,132 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:38,143 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:30:38,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-19 14:30:38,172 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:38,190 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:30:38,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38 WrapperNode [2021-11-19 14:30:38,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:38,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:38,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:30:38,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:30:38,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,239 INFO L137 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2021-11-19 14:30:38,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:38,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:30:38,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:30:38,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:30:38,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:30:38,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:30:38,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:30:38,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:30:38,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (1/1) ... [2021-11-19 14:30:38,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:30:38,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:30:38,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:30:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:30:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:30:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:30:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-19 14:30:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-19 14:30:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:30:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:30:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-19 14:30:38,521 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:30:38,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:30:38,739 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:30:38,936 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:30:38,937 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:30:38,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:38 BoogieIcfgContainer [2021-11-19 14:30:38,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:30:38,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:30:38,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:30:38,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:30:38,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:30:37" (1/3) ... [2021-11-19 14:30:38,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5951ba9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:38, skipping insertion in model container [2021-11-19 14:30:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:38" (2/3) ... [2021-11-19 14:30:38,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5951ba9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:30:38, skipping insertion in model container [2021-11-19 14:30:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:38" (3/3) ... [2021-11-19 14:30:38,961 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2021-11-19 14:30:38,967 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:30:38,967 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:30:39,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:30:39,035 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:30:39,035 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:30:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:30:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 14:30:39,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:30:39,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 14:30:39,058 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:30:39,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:30:39,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2661330, now seen corresponding path program 1 times [2021-11-19 14:30:39,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:30:39,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180007645] [2021-11-19 14:30:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:30:39,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:30:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:30:39,610 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 14:30:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 14:30:39,979 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 14:30:39,982 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 14:30:39,984 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:30:39,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:30:39,993 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-19 14:30:39,998 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:30:40,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:30:40 BoogieIcfgContainer [2021-11-19 14:30:40,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:30:40,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:30:40,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:30:40,041 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:30:40,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:30:38" (3/4) ... [2021-11-19 14:30:40,048 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 14:30:40,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:30:40,051 INFO L158 Benchmark]: Toolchain (without parser) took 2162.90ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 81.6MB in the beginning and 106.4MB in the end (delta: -24.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:40,051 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:40,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.99ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 89.5MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:30:40,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.66ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 87.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:30:40,057 INFO L158 Benchmark]: Boogie Preprocessor took 68.49ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 86.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:30:40,063 INFO L158 Benchmark]: RCFGBuilder took 629.92ms. Allocated memory is still 115.3MB. Free memory was 86.1MB in the beginning and 60.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-19 14:30:40,065 INFO L158 Benchmark]: TraceAbstraction took 1095.12ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 106.4MB in the end (delta: -46.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-19 14:30:40,066 INFO L158 Benchmark]: Witness Printer took 8.14ms. Allocated memory is still 140.5MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:40,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.99ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 89.5MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.66ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 87.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.49ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 86.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.92ms. Allocated memory is still 115.3MB. Free memory was 86.1MB in the beginning and 60.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1095.12ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 106.4MB in the end (delta: -46.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Witness Printer took 8.14ms. Allocated memory is still 140.5MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, 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]; [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={6:0}, E2={7:0}, INIT1=1, INIT2=1, P=0, S={9:0}, S2={5:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND FALSE !(X >= -800. && X <= 800.) [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, E={6:0}, E2={7:0}, INIT1=1, INIT2=1, P=0, S={9:0}, S2={5:0}, X=72] [L9] reach_error() VAL [\old(cond)=0, cond=0, E={6:0}, E2={7:0}, INIT1=1, INIT2=1, P=0, S={9:0}, S2={5:0}, X=72] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 14:30:40,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:42,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:42,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:42,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:42,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:42,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:42,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:42,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:42,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:42,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:42,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:42,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:42,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:42,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:42,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:42,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:42,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:42,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:42,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:42,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:42,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:42,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:42,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:42,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:42,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:42,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:42,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:42,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:42,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:42,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:42,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:42,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:42,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:42,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:42,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:42,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:42,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:42,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:42,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:42,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:42,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:42,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-19 14:30:42,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:42,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:42,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:42,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:42,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:42,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:42,990 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:42,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:42,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:42,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:42,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:42,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:30:42,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:30:42,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:42,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:42,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:42,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:42,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:42,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:30:42,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:30:42,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:30:42,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:42,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:42,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:42,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:42,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:30:42,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:42,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:42,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:42,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:42,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:42,998 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:30:42,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:30:42,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:42,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:43,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:43,000 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_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-19 14:30:43,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:43,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:43,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:43,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:43,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:43,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-19 14:30:43,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/c54aac0bc/657a523ad23844a48131b4f41456ef4b/FLAGb1279104a [2021-11-19 14:30:44,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:44,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-19 14:30:44,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/c54aac0bc/657a523ad23844a48131b4f41456ef4b/FLAGb1279104a [2021-11-19 14:30:44,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/data/c54aac0bc/657a523ad23844a48131b4f41456ef4b [2021-11-19 14:30:44,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:44,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:44,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:44,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:44,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:44,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:44,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f64366e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44, skipping insertion in model container [2021-11-19 14:30:44,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:44,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:44,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:44,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-19 14:30:44,838 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:44,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:30:44,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-19 14:30:44,907 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:30:44,936 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:30:44,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44 WrapperNode [2021-11-19 14:30:44,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:44,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:44,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:30:44,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:30:44,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,048 INFO L137 Inliner]: procedures = 19, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2021-11-19 14:30:45,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:30:45,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:30:45,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:30:45,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:30:45,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:30:45,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:30:45,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:30:45,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:30:45,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:44" (1/1) ... [2021-11-19 14:30:45,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:45,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:30:45,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:30:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:30:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:30:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-19 14:30:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:30:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:30:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-19 14:30:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:30:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:30:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-19 14:30:45,277 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:30:45,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:31:03,100 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-19 14:31:03,102 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) 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:213) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:718) 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:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 25 more [2021-11-19 14:31:03,107 INFO L158 Benchmark]: Toolchain (without parser) took 18471.86ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 51.8MB in the end (delta: -15.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-19 14:31:03,108 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:03,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.83ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.3MB in the beginning and 54.2MB in the end (delta: -17.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-19 14:31:03,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.91ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:03,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-19 14:31:03,112 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:03,113 INFO L158 Benchmark]: RCFGBuilder took 18011.17ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 51.8MB in the end (delta: -1.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-19 14:31:03,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.83ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.3MB in the beginning and 54.2MB in the end (delta: -17.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.91ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 18011.17ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 51.8MB in the end (delta: -1.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c736c4-62c6-4a79-bd07-09741837a36c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")