./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH --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-9ad7fb2 [2021-11-03 05:19:23,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:19:23,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:19:23,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:19:23,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:19:23,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:19:23,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:19:23,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:19:23,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:19:23,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:19:23,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:19:23,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:19:23,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:19:23,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:19:23,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:19:23,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:19:23,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:19:23,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:19:23,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:19:23,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:19:23,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:19:23,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:19:23,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:19:23,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:19:23,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:19:23,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:19:23,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:19:23,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:19:23,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:19:23,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:19:23,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:19:23,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:19:23,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:19:23,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:19:23,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:19:23,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:19:23,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:19:23,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:19:23,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:19:23,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:19:23,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:19:23,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:19:23,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:19:23,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:19:23,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:19:23,689 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:19:23,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:19:23,690 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:19:23,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:19:23,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:19:23,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:19:23,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:19:23,691 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:19:23,692 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:19:23,692 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:19:23,692 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:19:23,692 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:19:23,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:19:23,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:19:23,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:19:23,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:19:23,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:19:23,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:19:23,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:19:23,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:19:23,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:19:23,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:19:23,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:19:23,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:19:23,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:19:23,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:19:23,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:19:23,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:19:23,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:19:23,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:19:23,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:19:23,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:19:23,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:19:23,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:19:23,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:19:23,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:19:23,699 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-03 05:19:23,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:19:24,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:19:24,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:19:24,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:19:24,008 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:19:24,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-03 05:19:24,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/ca9723472/9401a450c5f842b8bd0d29d9c87a026f/FLAG488b2014d [2021-11-03 05:19:24,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:19:24,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-03 05:19:24,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/ca9723472/9401a450c5f842b8bd0d29d9c87a026f/FLAG488b2014d [2021-11-03 05:19:25,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/ca9723472/9401a450c5f842b8bd0d29d9c87a026f [2021-11-03 05:19:25,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:19:25,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:19:25,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:19:25,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:19:25,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:19:25,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bac8b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25, skipping insertion in model container [2021-11-03 05:19:25,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:19:25,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:19:25,207 WARN L228 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-03 05:19:25,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:19:25,248 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:19:25,261 WARN L228 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-03 05:19:25,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:19:25,297 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:19:25,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25 WrapperNode [2021-11-03 05:19:25,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:19:25,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:19:25,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:19:25,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:19:25,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:19:25,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:19:25,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:19:25,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:19:25,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:19:25,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:19:25,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:19:25,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:19:25,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (1/1) ... [2021-11-03 05:19:25,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:19:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:19:25,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:19:25,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:19:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:19:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:19:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 05:19:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-03 05:19:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:19:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:19:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-03 05:19:26,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:19:26,779 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-03 05:19:26,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:19:26 BoogieIcfgContainer [2021-11-03 05:19:26,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:19:26,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:19:26,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:19:26,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:19:26,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:19:25" (1/3) ... [2021-11-03 05:19:26,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a61b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:19:26, skipping insertion in model container [2021-11-03 05:19:26,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:25" (2/3) ... [2021-11-03 05:19:26,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a61b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:19:26, skipping insertion in model container [2021-11-03 05:19:26,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:19:26" (3/3) ... [2021-11-03 05:19:26,793 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2021-11-03 05:19:26,799 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:19:26,799 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:19:26,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:19:26,866 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 [2021-11-03 05:19:26,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:19:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-11-03 05:19:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-03 05:19:26,881 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:19:26,882 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-03 05:19:26,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:19:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:19:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2630578, now seen corresponding path program 1 times [2021-11-03 05:19:26,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:19:26,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533293865] [2021-11-03 05:19:26,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:19:26,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:19:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:19:27,222 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:19:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:19:27,444 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 05:19:27,449 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:19:27,451 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:19:27,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:19:27,457 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 05:19:27,459 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:19:27,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:19:27 BoogieIcfgContainer [2021-11-03 05:19:27,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:19:27,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:19:27,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:19:27,498 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:19:27,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:19:26" (3/4) ... [2021-11-03 05:19:27,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:19:27,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:19:27,506 INFO L168 Benchmark]: Toolchain (without parser) took 2498.15 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 58.8 MB in the beginning and 75.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:27,508 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 66.7 MB in the beginning and 66.7 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:19:27,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 58.8 MB in the beginning and 105.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:27,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.88 ms. Allocated memory is still 132.1 MB. Free memory was 105.5 MB in the beginning and 104.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:27,512 INFO L168 Benchmark]: Boogie Preprocessor took 31.64 ms. Allocated memory is still 132.1 MB. Free memory was 104.1 MB in the beginning and 102.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:27,513 INFO L168 Benchmark]: RCFGBuilder took 1401.62 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 64.3 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:27,520 INFO L168 Benchmark]: TraceAbstraction took 710.74 ms. Allocated memory is still 132.1 MB. Free memory was 64.3 MB in the beginning and 75.4 MB in the end (delta: -11.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:19:27,520 INFO L168 Benchmark]: Witness Printer took 6.10 ms. Allocated memory is still 132.1 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:19:27,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 66.7 MB in the beginning and 66.7 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.38 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 58.8 MB in the beginning and 105.5 MB in the end (delta: -46.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.88 ms. Allocated memory is still 132.1 MB. Free memory was 105.5 MB in the beginning and 104.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.64 ms. Allocated memory is still 132.1 MB. Free memory was 104.1 MB in the beginning and 102.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1401.62 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 64.3 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 710.74 ms. Allocated memory is still 132.1 MB. Free memory was 64.3 MB in the beginning and 75.4 MB in the end (delta: -11.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.10 ms. Allocated memory is still 132.1 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}] [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.) [L9] COND TRUE !(cond) VAL [E={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}, X=65] [L9] reach_error() VAL [E={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}, X=65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 0.2s 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 [2021-11-03 05:19:27,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH --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-9ad7fb2 [2021-11-03 05:19:30,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:19:30,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:19:30,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:19:30,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:19:30,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:19:30,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:19:30,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:19:30,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:19:30,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:19:30,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:19:30,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:19:30,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:19:30,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:19:30,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:19:30,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:19:30,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:19:30,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:19:30,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:19:30,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:19:30,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:19:30,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:19:30,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:19:30,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:19:30,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:19:30,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:19:30,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:19:30,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:19:30,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:19:30,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:19:30,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:19:30,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:19:30,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:19:30,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:19:30,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:19:30,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:19:30,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:19:30,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:19:30,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:19:30,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:19:30,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:19:30,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:19:30,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:19:30,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:19:30,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:19:30,270 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:19:30,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:19:30,271 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:19:30,271 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:19:30,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:19:30,271 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:19:30,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:19:30,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:19:30,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:19:30,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:19:30,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:19:30,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:19:30,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:19:30,275 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:19:30,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:19:30,276 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:19:30,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:19:30,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:19:30,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:19:30,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:19:30,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:19:30,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:19:30,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:19:30,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:19:30,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:19:30,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:19:30,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:19:30,278 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:19:30,279 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:19:30,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:19:30,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:19:30,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:19:30,280 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-03 05:19:30,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:19:30,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:19:30,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:19:30,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:19:30,733 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:19:30,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-03 05:19:30,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/5f46a2404/8d961d8cb7d648cdbfd62ab58b499dda/FLAGd2b37c377 [2021-11-03 05:19:31,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:19:31,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-03 05:19:31,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/5f46a2404/8d961d8cb7d648cdbfd62ab58b499dda/FLAGd2b37c377 [2021-11-03 05:19:31,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/data/5f46a2404/8d961d8cb7d648cdbfd62ab58b499dda [2021-11-03 05:19:31,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:19:31,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:19:31,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:19:31,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:19:31,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:19:31,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:19:31" (1/1) ... [2021-11-03 05:19:31,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a34b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:31, skipping insertion in model container [2021-11-03 05:19:31,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:19:31" (1/1) ... [2021-11-03 05:19:31,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:19:31,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:19:31,883 WARN L228 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-03 05:19:31,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:19:31,977 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:19:32,009 WARN L228 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-03 05:19:32,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:19:32,094 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:19:32,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32 WrapperNode [2021-11-03 05:19:32,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:19:32,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:19:32,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:19:32,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:19:32,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:19:32,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:19:32,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:19:32,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:19:32,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:19:32,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:19:32,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:19:32,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:19:32,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:19:32" (1/1) ... [2021-11-03 05:19:32,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:19:32,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:19:32,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:19:32,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:19:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-03 05:19:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:19:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:19:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-03 05:19:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:19:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:19:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-03 05:19:46,935 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-03 05:19:46,936 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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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: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:724) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:265) 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 [2021-11-03 05:19:46,940 INFO L168 Benchmark]: Toolchain (without parser) took 15237.57 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.5 MB in the beginning and 57.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:46,941 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:19:46,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.72 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 43.2 MB in the end (delta: -930.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:46,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.12 ms. Allocated memory is still 62.9 MB. Free memory was 43.0 MB in the beginning and 41.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:46,943 INFO L168 Benchmark]: Boogie Preprocessor took 71.61 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 39.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:46,944 INFO L168 Benchmark]: RCFGBuilder took 14681.83 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 57.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:19:46,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-11-03 05:19:46,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.72 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 43.2 MB in the end (delta: -930.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.12 ms. Allocated memory is still 62.9 MB. Free memory was 43.0 MB in the beginning and 41.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.61 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 39.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14681.83 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 57.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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_fee06d5b-2df7-4c07-95b0-cd37f05d2da6/bin/utaipan-aC7eJsxGYH/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")