./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:06:51,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:06:51,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:06:51,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:06:51,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:06:51,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:06:51,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:06:51,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:06:51,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:06:51,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:06:51,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:06:51,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:06:51,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:06:51,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:06:51,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:06:51,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:06:51,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:06:51,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:06:51,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:06:51,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:06:51,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:06:51,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:06:51,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:06:51,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:06:51,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:06:51,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:06:51,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:06:51,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:06:51,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:06:51,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:06:51,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:06:51,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:06:51,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:06:51,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:06:51,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:06:51,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:06:51,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:06:51,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:06:51,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:06:51,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:06:51,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:06:51,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:06:51,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:06:51,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:06:51,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:06:51,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:06:51,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:06:51,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:06:51,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:06:51,659 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:06:51,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:06:51,666 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:06:51,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:06:51,667 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:06:51,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:06:51,668 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:06:51,668 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:06:51,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:06:51,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:06:51,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:06:51,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:06:51,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:06:51,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:06:51,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:06:51,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:06:51,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:06:51,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:06:51,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:06:51,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:06:51,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:06:51,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:06:51,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:06:51,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:06:51,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:06:51,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:06:51,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:06:51,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:06:51,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:06:51,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:06:51,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:06:51,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:06:51,676 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-07 01:06:51,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:06:52,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:06:52,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:06:52,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:06:52,029 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:06:52,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-07 01:06:52,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/21c2d04f8/9685ec8291a848f58ab81958cb47e037/FLAGeac264902 [2021-11-07 01:06:52,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:06:52,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-07 01:06:52,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/21c2d04f8/9685ec8291a848f58ab81958cb47e037/FLAGeac264902 [2021-11-07 01:06:53,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/21c2d04f8/9685ec8291a848f58ab81958cb47e037 [2021-11-07 01:06:53,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:06:53,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:06:53,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:06:53,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:06:53,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:06:53,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdfb943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53, skipping insertion in model container [2021-11-07 01:06:53,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:06:53,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:06:53,252 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-07 01:06:53,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:06:53,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:06:53,303 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-07 01:06:53,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:06:53,336 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:06:53,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53 WrapperNode [2021-11-07 01:06:53,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:06:53,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:06:53,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:06:53,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:06:53,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:06:53,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:06:53,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:06:53,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:06:53,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:06:53,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:06:53,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:06:53,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:06:53,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (1/1) ... [2021-11-07 01:06:53,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:06:53,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:06:53,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:06:53,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:06:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:06:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:06:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-07 01:06:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-07 01:06:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:06:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:06:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-07 01:06:54,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:06:54,705 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-07 01:06:54,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:06:54 BoogieIcfgContainer [2021-11-07 01:06:54,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:06:54,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:06:54,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:06:54,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:06:54,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:06:53" (1/3) ... [2021-11-07 01:06:54,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eff864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:06:54, skipping insertion in model container [2021-11-07 01:06:54,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:53" (2/3) ... [2021-11-07 01:06:54,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eff864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:06:54, skipping insertion in model container [2021-11-07 01:06:54,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:06:54" (3/3) ... [2021-11-07 01:06:54,714 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2021-11-07 01:06:54,719 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:06:54,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:06:54,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:06:54,803 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 [2021-11-07 01:06:54,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:06:54,818 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) [2021-11-07 01:06:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:06:54,823 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:06:54,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:06:54,824 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:06:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:06:54,830 INFO L85 PathProgramCache]: Analyzing trace with hash 2630578, now seen corresponding path program 1 times [2021-11-07 01:06:54,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:06:54,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902263245] [2021-11-07 01:06:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:06:54,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:06:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:06:55,295 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:06:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:06:55,521 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:06:55,523 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:06:55,524 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:06:55,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:06:55,531 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:06:55,534 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:06:55,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:06:55 BoogieIcfgContainer [2021-11-07 01:06:55,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:06:55,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:06:55,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:06:55,574 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:06:55,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:06:54" (3/4) ... [2021-11-07 01:06:55,578 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:06:55,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:06:55,583 INFO L168 Benchmark]: Toolchain (without parser) took 2558.10 ms. Allocated memory is still 134.2 MB. Free memory was 97.0 MB in the beginning and 70.4 MB in the end (delta: 26.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:06:55,584 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:06:55,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.58 ms. Allocated memory is still 134.2 MB. Free memory was 96.7 MB in the beginning and 109.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:06:55,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.38 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 107.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:06:55,588 INFO L168 Benchmark]: Boogie Preprocessor took 42.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 105.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:06:55,588 INFO L168 Benchmark]: RCFGBuilder took 1284.68 ms. Allocated memory is still 134.2 MB. Free memory was 105.6 MB in the beginning and 67.3 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:06:55,591 INFO L168 Benchmark]: TraceAbstraction took 857.05 ms. Allocated memory is still 134.2 MB. Free memory was 66.9 MB in the beginning and 71.1 MB in the end (delta: -4.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:06:55,596 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 134.2 MB. Free memory was 71.1 MB in the beginning and 70.4 MB in the end (delta: 704.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:06:55,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.58 ms. Allocated memory is still 134.2 MB. Free memory was 96.7 MB in the beginning and 109.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.38 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 107.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 105.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1284.68 ms. Allocated memory is still 134.2 MB. Free memory was 105.6 MB in the beginning and 67.3 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 857.05 ms. Allocated memory is still 134.2 MB. Free memory was 66.9 MB in the beginning and 71.1 MB in the end (delta: -4.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.59 ms. Allocated memory is still 134.2 MB. Free memory was 71.1 MB in the beginning and 70.4 MB in the end (delta: 704.4 kB). 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: 0.7s, 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, 0.3s 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 [2021-11-07 01:06:55,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:06:58,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:06:58,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:06:58,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:06:58,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:06:58,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:06:58,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:06:58,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:06:58,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:06:58,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:06:58,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:06:58,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:06:58,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:06:58,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:06:58,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:06:58,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:06:58,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:06:58,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:06:58,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:06:58,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:06:58,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:06:58,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:06:58,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:06:58,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:06:58,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:06:58,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:06:58,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:06:58,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:06:58,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:06:58,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:06:58,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:06:58,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:06:58,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:06:58,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:06:58,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:06:58,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:06:58,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:06:58,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:06:58,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:06:58,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:06:58,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:06:58,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:06:58,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:06:58,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:06:58,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:06:58,414 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:06:58,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:06:58,414 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:06:58,414 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:06:58,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:06:58,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:06:58,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:06:58,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:06:58,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:06:58,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:06:58,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:06:58,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:06:58,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:06:58,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:06:58,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:06:58,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:06:58,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:06:58,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:06:58,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:06:58,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:06:58,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:06:58,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:06:58,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:06:58,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:06:58,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:06:58,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:06:58,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:06:58,420 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:06:58,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:06:58,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:06:58,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:06:58,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:06:58,422 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-11-07 01:06:58,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:06:58,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:06:58,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:06:58,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:06:58,825 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:06:58,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-07 01:06:58,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/a6e3232bc/c46b27400247468f8884334b0643a298/FLAGc013f5665 [2021-11-07 01:06:59,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:06:59,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-11-07 01:06:59,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/a6e3232bc/c46b27400247468f8884334b0643a298/FLAGc013f5665 [2021-11-07 01:06:59,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/data/a6e3232bc/c46b27400247468f8884334b0643a298 [2021-11-07 01:06:59,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:06:59,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:06:59,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:06:59,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:06:59,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:06:59,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:59" (1/1) ... [2021-11-07 01:06:59,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd0884d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:06:59, skipping insertion in model container [2021-11-07 01:06:59,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:06:59" (1/1) ... [2021-11-07 01:06:59,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:06:59,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:06:59,969 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-07 01:07:00,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:00,032 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:07:00,063 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-11-07 01:07:00,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:07:00,111 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:07:00,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00 WrapperNode [2021-11-07 01:07:00,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:07:00,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:00,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:07:00,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:07:00,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:07:00,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:07:00,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:07:00,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:07:00,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:07:00,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:07:00,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:07:00,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:07:00,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:07:00" (1/1) ... [2021-11-07 01:07:00,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:07:00,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:07:00,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:07:00,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:07:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-07 01:07:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:07:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:07:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-07 01:07:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:07:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:07:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-07 01:07:15,894 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-07 01:07:15,895 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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 [2021-11-07 01:07:15,898 INFO L168 Benchmark]: Toolchain (without parser) took 16121.26 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 36.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:15,898 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:07:15,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.37 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 57.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:15,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.39 ms. Allocated memory is still 77.6 MB. Free memory was 57.4 MB in the beginning and 55.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:15,900 INFO L168 Benchmark]: Boogie Preprocessor took 41.96 ms. Allocated memory is still 77.6 MB. Free memory was 55.6 MB in the beginning and 53.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:15,901 INFO L168 Benchmark]: RCFGBuilder took 15677.97 ms. Allocated memory is still 77.6 MB. Free memory was 53.5 MB in the beginning and 36.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:07:15,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-07 01:07:15,921 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 77.6 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 335.37 ms. Allocated memory is still 77.6 MB. Free memory was 59.4 MB in the beginning and 57.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.39 ms. Allocated memory is still 77.6 MB. Free memory was 57.4 MB in the beginning and 55.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.96 ms. Allocated memory is still 77.6 MB. Free memory was 55.6 MB in the beginning and 53.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15677.97 ms. Allocated memory is still 77.6 MB. Free memory was 53.5 MB in the beginning and 36.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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_43c75767-38cb-4c39-ab0e-f58b7c10d819/bin/utaipan-UUZaoUuFF8/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")