./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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:07:18,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:07:18,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:07:18,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:07:18,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:07:18,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:07:18,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:07:18,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:07:18,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:07:18,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:07:18,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:07:18,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:07:18,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:07:18,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:07:18,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:07:18,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:07:18,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:07:18,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:07:18,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:07:18,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:07:18,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:07:18,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:07:18,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:07:18,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:07:18,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:07:18,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:07:18,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:07:18,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:07:18,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:07:18,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:07:18,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:07:18,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:07:18,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:07:18,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:07:18,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:07:18,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:07:18,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:07:18,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:07:18,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:07:18,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:07:18,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:07:18,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:07:18,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:07:18,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:07:18,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:07:18,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:07:18,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:07:18,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:07:18,244 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:07:18,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:07:18,244 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:07:18,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:07:18,244 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:07:18,245 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:07:18,245 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:07:18,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:07:18,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:07:18,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:07:18,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:07:18,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:07:18,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:07:18,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:07:18,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:07:18,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:07:18,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:18,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:07:18,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:07:18,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:07:18,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:07:18,249 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:07:18,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:07:18,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:07:18,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:07:18,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-12-14 08:07:18,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:07:18,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:07:18,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:07:18,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:07:18,439 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:07:18,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-14 08:07:20,991 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:07:21,144 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:07:21,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-14 08:07:21,149 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/4979a08f0/47dce9e19c0c49778c988c3c413b4ed6/FLAG015b8d942 [2022-12-14 08:07:21,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/4979a08f0/47dce9e19c0c49778c988c3c413b4ed6 [2022-12-14 08:07:21,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:07:21,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:07:21,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:21,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:07:21,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:07:21,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b863fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21, skipping insertion in model container [2022-12-14 08:07:21,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:07:21,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:07:21,691 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-14 08:07:21,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:21,717 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:07:21,725 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-14 08:07:21,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:21,746 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:07:21,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21 WrapperNode [2022-12-14 08:07:21,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:21,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:21,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:07:21,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:07:21,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,773 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2022-12-14 08:07:21,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:21,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:07:21,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:07:21,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:07:21,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:07:21,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:07:21,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:07:21,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:07:21,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (1/1) ... [2022-12-14 08:07:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:21,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:07:21,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:07:21,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:07:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:07:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-14 08:07:21,920 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:07:21,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:07:22,025 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:07:22,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:07:22,167 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:07:22,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:22 BoogieIcfgContainer [2022-12-14 08:07:22,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:07:22,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:07:22,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:07:22,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:07:22,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:07:21" (1/3) ... [2022-12-14 08:07:22,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:07:22, skipping insertion in model container [2022-12-14 08:07:22,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:21" (2/3) ... [2022-12-14 08:07:22,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:07:22, skipping insertion in model container [2022-12-14 08:07:22,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:22" (3/3) ... [2022-12-14 08:07:22,176 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2022-12-14 08:07:22,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:07:22,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:07:22,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:07:22,229 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f6b40f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:07:22,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:07:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:07:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:07:22,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:07:22,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:07:22,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:07:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:07:22,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2691121, now seen corresponding path program 1 times [2022-12-14 08:07:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:07:22,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819494289] [2022-12-14 08:07:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:07:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:07:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:07:22,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:07:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:07:22,502 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:07:22,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:07:22,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:07:22,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:07:22,509 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 08:07:22,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:07:22,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:07:22 BoogieIcfgContainer [2022-12-14 08:07:22,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:07:22,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:07:22,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:07:22,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:07:22,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:07:22" (3/4) ... [2022-12-14 08:07:22,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:07:22,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:07:22,531 INFO L158 Benchmark]: Toolchain (without parser) took 955.47ms. Allocated memory is still 216.0MB. Free memory was 180.3MB in the beginning and 83.9MB in the end (delta: 96.4MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,531 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory was 95.2MB in the beginning and 95.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:07:22,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.80ms. Allocated memory is still 216.0MB. Free memory was 179.3MB in the beginning and 168.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.97ms. Allocated memory is still 216.0MB. Free memory was 168.8MB in the beginning and 166.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,532 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 164.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,532 INFO L158 Benchmark]: RCFGBuilder took 374.96ms. Allocated memory is still 216.0MB. Free memory was 164.6MB in the beginning and 133.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,533 INFO L158 Benchmark]: TraceAbstraction took 355.32ms. Allocated memory is still 216.0MB. Free memory was 132.1MB in the beginning and 84.9MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,533 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 216.0MB. Free memory was 84.9MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:22,535 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 132.1MB. Free memory was 95.2MB in the beginning and 95.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.80ms. Allocated memory is still 216.0MB. Free memory was 179.3MB in the beginning and 168.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.97ms. Allocated memory is still 216.0MB. Free memory was 168.8MB in the beginning and 166.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 164.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.96ms. Allocated memory is still 216.0MB. Free memory was 164.6MB in the beginning and 133.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 355.32ms. Allocated memory is still 216.0MB. Free memory was 132.1MB in the beginning and 84.9MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 216.0MB. Free memory was 84.9MB in the beginning and 83.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={4:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={5:0}, S2={7:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND TRUE X >= -800. && X <= 800. [L69] CALL filter2() [L39] COND TRUE \read(INIT2) [L40] S2[0] = 0.5*X [L41] P = X [L42] E2[0] = 0.8*X [L43] E2[1] = 0. [L44] S2[1] = 0. [L69] RET filter2() [L70] X = X - 50. [L71] INIT2 = FALSE [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={5:0}, S2={7:0}] [L9] reach_error() VAL [\old(cond)=0, cond=0, E={4:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={5:0}, S2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 08:07:22,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:07:24,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:07:24,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:07:24,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:07:24,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:07:24,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:07:24,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:07:24,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:07:24,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:07:24,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:07:24,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:07:24,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:07:24,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:07:24,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:07:24,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:07:24,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:07:24,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:07:24,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:07:24,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:07:24,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:07:24,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:07:24,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:07:24,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:07:24,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:07:24,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:07:24,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:07:24,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:07:24,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:07:24,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:07:24,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:07:24,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:07:24,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:07:24,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:07:24,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:07:24,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:07:24,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:07:24,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:07:24,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:07:24,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:07:24,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:07:24,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:07:24,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 08:07:24,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:07:24,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:07:24,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:07:24,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:07:24,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:07:24,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:07:24,432 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:07:24,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:07:24,432 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:07:24,432 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:07:24,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:07:24,433 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:07:24,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:07:24,433 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:07:24,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:07:24,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:07:24,435 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:07:24,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:07:24,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:07:24,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:07:24,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:24,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:07:24,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:07:24,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:07:24,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:07:24,437 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2022-12-14 08:07:24,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:07:24,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:07:24,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:07:24,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:07:24,690 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:07:24,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-14 08:07:27,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:07:27,436 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:07:27,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c [2022-12-14 08:07:27,442 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/d42a60fc5/52d7a1c4da2448eb9efdcdecd281ffff/FLAG979b91af4 [2022-12-14 08:07:27,453 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/data/d42a60fc5/52d7a1c4da2448eb9efdcdecd281ffff [2022-12-14 08:07:27,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:07:27,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:07:27,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:27,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:07:27,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:07:27,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a96c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27, skipping insertion in model container [2022-12-14 08:07:27,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:07:27,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:07:27,582 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-14 08:07:27,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:27,613 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:07:27,622 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2022-12-14 08:07:27,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:27,647 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:07:27,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27 WrapperNode [2022-12-14 08:07:27,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:27,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:27,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:07:27,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:07:27,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,679 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-12-14 08:07:27,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:27,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:07:27,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:07:27,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:07:27,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:07:27,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:07:27,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:07:27,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:07:27,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:27" (1/1) ... [2022-12-14 08:07:27,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:27,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:07:27,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:07:27,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:07:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-12-14 08:07:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:07:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-14 08:07:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:07:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:07:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-14 08:07:27,842 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:07:27,844 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:07:37,034 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-14 08:07:37,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-12-14 08:07:37,037 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:07:37,041 INFO L158 Benchmark]: Toolchain (without parser) took 9584.44ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 73.4MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 08:07:37,042 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:07:37,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.36ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 92.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 08:07:37,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.12ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:37,044 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 87.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:37,045 INFO L158 Benchmark]: RCFGBuilder took 9334.61ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 73.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 08:07:37,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.36ms. Allocated memory is still 127.9MB. Free memory was 104.5MB in the beginning and 92.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.12ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 127.9MB. Free memory was 90.0MB in the beginning and 87.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9334.61ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 73.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. 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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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_1f4c6273-e122-4caf-a6ed-aad43df2b001/bin/utaipan-gh47qXpMRh/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")