./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 2329fc70 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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 20:04:44,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:04:44,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:04:44,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:04:44,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:04:44,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:04:44,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:04:44,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:04:44,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:04:44,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:04:44,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:04:44,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:04:44,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:04:44,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:04:44,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:04:44,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:04:44,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:04:44,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:04:44,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:04:44,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:04:44,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:04:44,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:04:44,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:04:44,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:04:44,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:04:44,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:04:44,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:04:44,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:04:44,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:04:44,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:04:44,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:04:44,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:04:44,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:04:44,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:04:44,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:04:44,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:04:44,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:04:44,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:04:44,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:04:44,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:04:44,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:04:44,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:04:44,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:04:44,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:04:44,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:04:44,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:04:44,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:04:44,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:04:44,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:04:44,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:04:44,764 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:04:44,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:04:44,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:04:44,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:04:44,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:44,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:04:44,767 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:04:44,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:04:44,768 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:04:44,768 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-12-13 20:04:44,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:04:44,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:04:44,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:04:44,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:04:44,950 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:04:44,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-13 20:04:47,472 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:04:47,633 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:04:47,634 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-13 20:04:47,638 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/8a0fe83cd/f31ef8a776de4992b403d04a6db69df9/FLAG3965c4c4a [2022-12-13 20:04:48,045 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/8a0fe83cd/f31ef8a776de4992b403d04a6db69df9 [2022-12-13 20:04:48,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:04:48,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:04:48,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:48,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:04:48,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:04:48,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbec70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48, skipping insertion in model container [2022-12-13 20:04:48,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:04:48,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:04:48,164 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_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-13 20:04:48,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:48,191 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:04:48,199 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_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-13 20:04:48,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:48,220 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:04:48,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48 WrapperNode [2022-12-13 20:04:48,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:48,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:48,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:04:48,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:04:48,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,249 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2022-12-13 20:04:48,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:48,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:04:48,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:04:48,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:04:48,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:04:48,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:04:48,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:04:48,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:04:48,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (1/1) ... [2022-12-13 20:04:48,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:04:48,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:04:48,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:04:48,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:04:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:04:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-13 20:04:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-13 20:04:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:04:48,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:04:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-13 20:04:48,409 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:04:48,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:04:48,537 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:04:48,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:04:48,543 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:04:48,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:48 BoogieIcfgContainer [2022-12-13 20:04:48,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:04:48,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:04:48,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:04:48,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:04:48,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:04:48" (1/3) ... [2022-12-13 20:04:48,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618c802d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:48, skipping insertion in model container [2022-12-13 20:04:48,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:48" (2/3) ... [2022-12-13 20:04:48,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618c802d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:04:48, skipping insertion in model container [2022-12-13 20:04:48,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:48" (3/3) ... [2022-12-13 20:04:48,556 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2022-12-13 20:04:48,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:04:48,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:04:48,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:04:48,630 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=PETRI_NET, 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;@4f92418d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:04:48,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:04:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-12-13 20:04:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 20:04:48,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:04:48,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:04:48,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:04:48,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:04:48,645 INFO L85 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2022-12-13 20:04:48,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:04:48,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491572253] [2022-12-13 20:04:48,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:04:48,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:04:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:04:48,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:04:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:04:48,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:04:48,770 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:04:48,771 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:04:48,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:04:48,776 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:04:48,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:04:48,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:04:48 BoogieIcfgContainer [2022-12-13 20:04:48,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:04:48,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:04:48,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:04:48,795 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:04:48,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:04:48" (3/4) ... [2022-12-13 20:04:48,798 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:04:48,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:04:48,799 INFO L158 Benchmark]: Toolchain (without parser) took 750.77ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 57.6MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,799 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:04:48,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.30ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 91.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.25ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 89.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,800 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 138.4MB. Free memory was 89.6MB in the beginning and 88.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,801 INFO L158 Benchmark]: RCFGBuilder took 275.15ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 73.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,801 INFO L158 Benchmark]: TraceAbstraction took 245.42ms. Allocated memory is still 138.4MB. Free memory was 72.8MB in the beginning and 57.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:04:48,801 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 138.4MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:04:48,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.30ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 91.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.25ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 89.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 138.4MB. Free memory was 89.6MB in the beginning and 88.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.15ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 73.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 245.42ms. Allocated memory is still 138.4MB. Free memory was 72.8MB in the beginning and 57.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 138.4MB. Free memory is still 57.6MB. 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 74, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; VAL [E={4:0}, E2={6:0}, INIT1=0, INIT2=0, P=0, S={5:0}, S2={7:0}, X=0] [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. VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L63] COND FALSE !(X >= -400. && X <= 400.) VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L68] COND FALSE !(X >= -800. && X <= 800.) VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [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=1, 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=1, P=0, S={5:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=18occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:04:48,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 20:04:50,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:04:50,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:04:50,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:04:50,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:04:50,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:04:50,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:04:50,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:04:50,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:04:50,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:04:50,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:04:50,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:04:50,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:04:50,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:04:50,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:04:50,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:04:50,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:04:50,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:04:50,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:04:50,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:04:50,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:04:50,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:04:50,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:04:50,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:04:50,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:04:50,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:04:50,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:04:50,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:04:50,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:04:50,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:04:50,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:04:50,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:04:50,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:04:50,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:04:50,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:04:50,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:04:50,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:04:50,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:04:50,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:04:50,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:04:50,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:04:50,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 20:04:50,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:04:50,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:04:50,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:04:50,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:04:50,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:04:50,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:04:50,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:04:50,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:04:50,455 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:04:50,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:04:50,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:04:50,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:04:50,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:04:50,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:04:50,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:04:50,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:04:50,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:04:50,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:04:50,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:04:50,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:04:50,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:04:50,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:04:50,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:04:50,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:04:50,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:04:50,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:04:50,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:50,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:04:50,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:04:50,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:04:50,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:04:50,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:04:50,460 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:04:50,461 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-12-13 20:04:50,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:04:50,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:04:50,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:04:50,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:04:50,690 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:04:50,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-13 20:04:53,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:04:53,399 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:04:53,400 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-13 20:04:53,405 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/e448ffa16/e48f17ecfd1746f599ce92e9dd7f065e/FLAGbb6d19be1 [2022-12-13 20:04:53,415 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/data/e448ffa16/e48f17ecfd1746f599ce92e9dd7f065e [2022-12-13 20:04:53,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:04:53,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:04:53,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:53,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:04:53,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:04:53,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49418af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53, skipping insertion in model container [2022-12-13 20:04:53,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:04:53,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:04:53,549 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_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-13 20:04:53,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:53,583 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:04:53,593 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_331dca9a-b566-4868-9a90-c90be6227864/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-13 20:04:53,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:04:53,619 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:04:53,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53 WrapperNode [2022-12-13 20:04:53,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:04:53,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:53,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:04:53,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:04:53,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,653 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-12-13 20:04:53,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:04:53,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:04:53,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:04:53,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:04:53,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:04:53,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:04:53,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:04:53,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:04:53,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:04:53" (1/1) ... [2022-12-13 20:04:53,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:04:53,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:04:53,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:04:53,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:04:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:04:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-12-13 20:04:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:04:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-13 20:04:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:04:53,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:04:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-13 20:04:53,838 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:04:53,839 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:05:03,039 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 20:05:03,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-12-13 20:05:03,041 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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:05:03,045 INFO L158 Benchmark]: Toolchain (without parser) took 9625.95ms. Allocated memory is still 102.8MB. Free memory was 81.1MB in the beginning and 76.5MB in the end (delta: 4.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-12-13 20:05:03,046 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:05:03,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.33ms. Allocated memory is still 102.8MB. Free memory was 80.9MB in the beginning and 68.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:05:03,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.97ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:05:03,048 INFO L158 Benchmark]: Boogie Preprocessor took 27.52ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:05:03,048 INFO L158 Benchmark]: RCFGBuilder took 9362.03ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 76.5MB in the end (delta: -12.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-12-13 20:05:03,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.33ms. Allocated memory is still 102.8MB. Free memory was 80.9MB in the beginning and 68.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.97ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.52ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9362.03ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 76.5MB in the end (delta: -12.0MB). Peak memory consumption was 12.8MB. 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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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_331dca9a-b566-4868-9a90-c90be6227864/bin/uautomizer-uyxdKDjOR8/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")