./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:30:14,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:30:14,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:30:14,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:30:14,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:30:14,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:30:15,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:30:15,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:30:15,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:30:15,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:30:15,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:30:15,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:30:15,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:30:15,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:30:15,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:30:15,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:30:15,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:30:15,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:30:15,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:30:15,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:30:15,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:30:15,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:30:15,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:30:15,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:30:15,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:30:15,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:30:15,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:30:15,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:30:15,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:30:15,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:30:15,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:30:15,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:30:15,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:30:15,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:30:15,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:30:15,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:30:15,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:30:15,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:30:15,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:30:15,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:30:15,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:30:15,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:30:15,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:30:15,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:30:15,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:30:15,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:30:15,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:30:15,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:30:15,089 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:30:15,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:30:15,090 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:30:15,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:30:15,091 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:30:15,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:30:15,091 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:30:15,092 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:30:15,092 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:30:15,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:30:15,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:30:15,093 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:30:15,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:30:15,094 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:30:15,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:30:15,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:30:15,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:30:15,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:30:15,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:30:15,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:30:15,096 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:30:15,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:30:15,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:30:15,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:30:15,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:30:15,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:30:15,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:15,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:30:15,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:30:15,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:30:15,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:30:15,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:30:15,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:30:15,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:30:15,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:30:15,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-11-22 01:30:15,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:30:15,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:30:15,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:30:15,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:30:15,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:30:15,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-22 01:30:18,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:30:18,852 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:30:18,853 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-22 01:30:18,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/f969edbf1/6f1a214df83a4226ba70e23a9cd74f44/FLAG54fb912eb [2022-11-22 01:30:18,888 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/f969edbf1/6f1a214df83a4226ba70e23a9cd74f44 [2022-11-22 01:30:18,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:30:18,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:30:18,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:18,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:30:18,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:30:18,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:18" (1/1) ... [2022-11-22 01:30:18,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fc03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:18, skipping insertion in model container [2022-11-22 01:30:18,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:18" (1/1) ... [2022-11-22 01:30:18,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:30:18,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:30:19,092 WARN L237 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-22 01:30:19,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:19,134 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:30:19,149 WARN L237 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-22 01:30:19,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:19,182 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:30:19,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19 WrapperNode [2022-11-22 01:30:19,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:19,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:19,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:30:19,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:30:19,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,225 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2022-11-22 01:30:19,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:19,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:30:19,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:30:19,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:30:19,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:30:19,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:30:19,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:30:19,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:30:19,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (1/1) ... [2022-11-22 01:30:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:19,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:30:19,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:30:19,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:30:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:30:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:30:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-22 01:30:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-22 01:30:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:30:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:30:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-22 01:30:19,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:30:19,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:30:19,690 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:30:20,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:30:20,103 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:30:20,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:30:20 BoogieIcfgContainer [2022-11-22 01:30:20,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:30:20,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:30:20,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:30:20,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:30:20,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:30:18" (1/3) ... [2022-11-22 01:30:20,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:30:20, skipping insertion in model container [2022-11-22 01:30:20,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:19" (2/3) ... [2022-11-22 01:30:20,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:30:20, skipping insertion in model container [2022-11-22 01:30:20,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:30:20" (3/3) ... [2022-11-22 01:30:20,119 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2022-11-22 01:30:20,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:30:20,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:30:20,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:30:20,213 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@780da122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:30:20,213 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:30:20,218 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) [2022-11-22 01:30:20,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:30:20,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:30:20,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:30:20,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:30:20,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:30:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2661330, now seen corresponding path program 1 times [2022-11-22 01:30:20,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:30:20,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077990383] [2022-11-22 01:30:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:30:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:30:20,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:30:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:30:20,762 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:30:20,764 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:30:20,766 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:30:20,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:30:20,774 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:30:20,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:30:20,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:30:20 BoogieIcfgContainer [2022-11-22 01:30:20,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:30:20,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:30:20,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:30:20,807 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:30:20,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:30:20" (3/4) ... [2022-11-22 01:30:20,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:30:20,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:30:20,813 INFO L158 Benchmark]: Toolchain (without parser) took 1917.35ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 106.6MB in the beginning and 102.2MB in the end (delta: 4.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,814 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:30:20,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.61ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 95.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.49ms. Allocated memory is still 138.4MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,816 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,817 INFO L158 Benchmark]: RCFGBuilder took 847.18ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 91.2MB in the beginning and 153.6MB in the end (delta: -62.4MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,817 INFO L158 Benchmark]: TraceAbstraction took 698.07ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 102.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-22 01:30:20,818 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 186.6MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:30:20,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.61ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 95.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.49ms. Allocated memory is still 138.4MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 847.18ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 91.2MB in the beginning and 153.6MB in the end (delta: -62.4MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * TraceAbstraction took 698.07ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 102.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 186.6MB. Free memory is still 102.2MB. 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={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND TRUE X >= -800. && X <= 800. [L69] CALL filter2() [L39] COND TRUE \read(INIT2) [L40] S2[0] = 0.5*X [L41] P = X [L42] E2[0] = 0.8*X [L43] E2[1] = 0. [L44] S2[1] = 0. [L69] RET filter2() [L70] X = X - 50. [L71] INIT2 = FALSE [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={5:0}, S2={7:0}] [L9] reach_error() VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={5:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.3s 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 [2022-11-22 01:30:20,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:30:23,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:30:23,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:30:23,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:30:23,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:30:23,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:30:23,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:30:23,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:30:23,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:30:23,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:30:23,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:30:23,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:30:23,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:30:23,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:30:23,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:30:23,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:30:23,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:30:23,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:30:23,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:30:23,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:30:23,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:30:23,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:30:23,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:30:23,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:30:23,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:30:23,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:30:23,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:30:23,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:30:23,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:30:23,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:30:23,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:30:23,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:30:23,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:30:23,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:30:23,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:30:23,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:30:23,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:30:23,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:30:23,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:30:23,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:30:23,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:30:23,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 01:30:23,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:30:23,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:30:23,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:30:23,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:30:23,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:30:23,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:30:23,707 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:30:23,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:30:23,708 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:30:23,708 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:30:23,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:30:23,709 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:30:23,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:30:23,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:30:23,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:30:23,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:30:23,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:30:23,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:30:23,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:30:23,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:30:23,712 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:30:23,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:30:23,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:30:23,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:30:23,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:30:23,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:30:23,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:30:23,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:30:23,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:30:23,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:23,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:30:23,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:30:23,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:30:23,716 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:30:23,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:30:23,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:30:23,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:30:23,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:30:23,717 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-11-22 01:30:24,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:30:24,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:30:24,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:30:24,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:30:24,206 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:30:24,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-22 01:30:27,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:30:27,761 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:30:27,761 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-11-22 01:30:27,768 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/d90791edc/47dc77f1fe934e88a02da02ab28f0451/FLAGc31fcdec0 [2022-11-22 01:30:27,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/data/d90791edc/47dc77f1fe934e88a02da02ab28f0451 [2022-11-22 01:30:27,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:30:27,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:30:27,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:27,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:30:27,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:30:27,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:27" (1/1) ... [2022-11-22 01:30:27,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:27, skipping insertion in model container [2022-11-22 01:30:27,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:30:27" (1/1) ... [2022-11-22 01:30:27,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:30:27,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:30:27,976 WARN L237 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-22 01:30:28,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:28,042 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:30:28,066 WARN L237 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-11-22 01:30:28,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:30:28,134 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:30:28,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28 WrapperNode [2022-11-22 01:30:28,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:30:28,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:28,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:30:28,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:30:28,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,215 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-11-22 01:30:28,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:30:28,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:30:28,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:30:28,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:30:28,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:30:28,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:30:28,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:30:28,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:30:28,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:30:28" (1/1) ... [2022-11-22 01:30:28,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:30:28,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:30:28,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:30:28,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:30:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:30:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-22 01:30:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:30:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-22 01:30:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:30:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:30:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-22 01:30:28,596 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:30:28,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:30:40,081 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-22 01:30:40,082 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) 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:736) 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:239) ... 25 more [2022-11-22 01:30:40,091 INFO L158 Benchmark]: Toolchain (without parser) took 12298.69ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 50.7MB in the end (delta: 9.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-22 01:30:40,091 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:30:40,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.43ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 48.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:30:40,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.64ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:30:40,093 INFO L158 Benchmark]: Boogie Preprocessor took 76.82ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 43.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:30:40,094 INFO L158 Benchmark]: RCFGBuilder took 11795.75ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 50.7MB in the end (delta: -6.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-22 01:30:40,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-22 01:30:40,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.43ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 48.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.64ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.82ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 43.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11795.75ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 50.7MB in the end (delta: -6.9MB). Peak memory consumption was 6.0MB. 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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:243) 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_5540f132-e339-4da8-82a0-82d5ddd7bef1/bin/utaipan-g80aRyZoba/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")