./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.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_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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_a44dc53c-34bb-4fd3-8962-569d062e5563/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 7a282122dc24d7edcdab0235b368fb11c8475c7879a31ec8b05ebbedfee80407 --- 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 11:22:13,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:22:13,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:22:13,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:22:13,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:22:13,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:22:13,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:22:13,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:22:13,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:22:13,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:22:13,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:22:13,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:22:13,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:22:13,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:22:13,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:22:13,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:22:13,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:22:13,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:22:13,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:22:13,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:22:13,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:22:13,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:22:13,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:22:13,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:22:13,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:22:13,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:22:13,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:22:13,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:22:13,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:22:13,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:22:13,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:22:13,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:22:13,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:22:13,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:22:13,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:22:13,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:22:13,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:22:13,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:22:13,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:22:13,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:22:13,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:22:13,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 11:22:13,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:22:13,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:22:13,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:22:13,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:22:13,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:22:13,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:22:13,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:22:13,260 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:22:13,261 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:22:13,261 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:22:13,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:22:13,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:22:13,261 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:22:13,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:22:13,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:22:13,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:22:13,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:22:13,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:22:13,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:22:13,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:22:13,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:22:13,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:22:13,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:22:13,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:22:13,264 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:22:13,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:22:13,266 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_a44dc53c-34bb-4fd3-8962-569d062e5563/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a282122dc24d7edcdab0235b368fb11c8475c7879a31ec8b05ebbedfee80407 [2022-12-14 11:22:13,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:22:13,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:22:13,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:22:13,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:22:13,474 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:22:13,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2022-12-14 11:22:16,060 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:22:16,214 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:22:16,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2022-12-14 11:22:16,218 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/889d95bfe/324bcf594dc845b98403f83f31cb69e7/FLAG57baadd63 [2022-12-14 11:22:16,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/889d95bfe/324bcf594dc845b98403f83f31cb69e7 [2022-12-14 11:22:16,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:22:16,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:22:16,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:22:16,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:22:16,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:22:16,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b656474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16, skipping insertion in model container [2022-12-14 11:22:16,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:22:16,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:22:16,780 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_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c[319,332] [2022-12-14 11:22:16,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:22:16,797 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:22:16,806 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_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c[319,332] [2022-12-14 11:22:16,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:22:16,817 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:22:16,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16 WrapperNode [2022-12-14 11:22:16,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:22:16,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:22:16,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:22:16,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:22:16,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,840 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-12-14 11:22:16,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:22:16,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:22:16,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:22:16,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:22:16,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:22:16,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:22:16,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:22:16,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:22:16,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (1/1) ... [2022-12-14 11:22:16,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:22:16,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:22:16,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:22:16,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:22:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:22:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:22:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:22:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:22:16,969 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:22:16,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:22:17,049 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:22:17,078 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:22:17,078 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 11:22:17,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:22:17 BoogieIcfgContainer [2022-12-14 11:22:17,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:22:17,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:22:17,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:22:17,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:22:17,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:22:16" (1/3) ... [2022-12-14 11:22:17,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581359b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:22:17, skipping insertion in model container [2022-12-14 11:22:17,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:16" (2/3) ... [2022-12-14 11:22:17,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581359b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:22:17, skipping insertion in model container [2022-12-14 11:22:17,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:22:17" (3/3) ... [2022-12-14 11:22:17,090 INFO L112 eAbstractionObserver]: Analyzing ICFG digits_bad_for.c [2022-12-14 11:22:17,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:22:17,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:22:17,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:22:17,160 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;@7b7bda0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:22:17,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:22:17,164 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 11:22:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 11:22:17,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:17,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 11:22:17,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:22:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:17,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1912039, now seen corresponding path program 1 times [2022-12-14 11:22:17,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:22:17,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59697087] [2022-12-14 11:22:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:17,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:22:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:22:17,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:22:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:22:17,296 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:22:17,298 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:22:17,299 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 11:22:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:22:17,306 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 11:22:17,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:22:17,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:22:17 BoogieIcfgContainer [2022-12-14 11:22:17,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:22:17,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:22:17,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:22:17,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:22:17,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:22:17" (3/4) ... [2022-12-14 11:22:17,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 11:22:17,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:22:17,330 INFO L158 Benchmark]: Toolchain (without parser) took 665.48ms. Allocated memory is still 144.7MB. Free memory was 110.3MB in the beginning and 72.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 11:22:17,331 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:17,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.63ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 99.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 11:22:17,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.37ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:22:17,332 INFO L158 Benchmark]: Boogie Preprocessor took 13.88ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:17,333 INFO L158 Benchmark]: RCFGBuilder took 225.28ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 11:22:17,333 INFO L158 Benchmark]: TraceAbstraction took 241.10ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 73.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 11:22:17,334 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 72.6MB in the end (delta: 499.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:17,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.63ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 99.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.37ms. Allocated memory is still 144.7MB. Free memory was 99.9MB in the beginning and 98.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.88ms. Allocated memory is still 144.7MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.28ms. Allocated memory is still 144.7MB. Free memory was 97.3MB in the beginning and 86.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 241.10ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 73.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 72.6MB in the end (delta: 499.4kB). 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: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryLONGDOUBLEComparisonOperation at line 11, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] long double x = 1.0/7.0; [L9] long long res = 0; [L11] int i = 1; VAL [i=1, res=0] [L11] COND FALSE !(x != 0) [L17] CALL __VERIFIER_assert(res > 67050) [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 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=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, 0.0s 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 11:22:17,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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_a44dc53c-34bb-4fd3-8962-569d062e5563/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 7a282122dc24d7edcdab0235b368fb11c8475c7879a31ec8b05ebbedfee80407 --- 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 11:22:18,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:22:18,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:22:18,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:22:18,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:22:18,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:22:18,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:22:18,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:22:18,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:22:18,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:22:18,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:22:18,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:22:18,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:22:18,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:22:18,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:22:18,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:22:18,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:22:18,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:22:18,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:22:18,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:22:18,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:22:18,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:22:18,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:22:18,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:22:18,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:22:18,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:22:18,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:22:18,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:22:18,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:22:18,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:22:18,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:22:18,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:22:18,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:22:18,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:22:18,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:22:18,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:22:18,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:22:18,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:22:18,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:22:18,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:22:19,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:22:19,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 11:22:19,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:22:19,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:22:19,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:22:19,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:22:19,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:22:19,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:22:19,018 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:22:19,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:22:19,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:22:19,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 11:22:19,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:22:19,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 11:22:19,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:22:19,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:22:19,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:22:19,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:22:19,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:22:19,022 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 11:22:19,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 11:22:19,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:22:19,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:22:19,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 11:22:19,023 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_a44dc53c-34bb-4fd3-8962-569d062e5563/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a282122dc24d7edcdab0235b368fb11c8475c7879a31ec8b05ebbedfee80407 [2022-12-14 11:22:19,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:22:19,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:22:19,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:22:19,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:22:19,277 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:22:19,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2022-12-14 11:22:21,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:22:22,017 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:22:22,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c [2022-12-14 11:22:22,022 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/f839f9bd2/d79b7f087c984e33982f281e426f394f/FLAG1d1be5d28 [2022-12-14 11:22:22,033 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/data/f839f9bd2/d79b7f087c984e33982f281e426f394f [2022-12-14 11:22:22,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:22:22,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:22:22,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:22:22,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:22:22,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:22:22,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@baf84d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22, skipping insertion in model container [2022-12-14 11:22:22,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:22:22,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:22:22,180 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_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c[319,332] [2022-12-14 11:22:22,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:22:22,207 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:22:22,219 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_a44dc53c-34bb-4fd3-8962-569d062e5563/sv-benchmarks/c/floats-esbmc-regression/digits_bad_for.c[319,332] [2022-12-14 11:22:22,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:22:22,236 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:22:22,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22 WrapperNode [2022-12-14 11:22:22,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:22:22,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:22:22,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:22:22,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:22:22,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,270 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2022-12-14 11:22:22,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:22:22,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:22:22,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:22:22,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:22:22,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:22:22,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:22:22,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:22:22,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:22:22,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (1/1) ... [2022-12-14 11:22:22,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:22:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:22:22,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:22:22,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:22:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:22:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:22:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 11:22:22,407 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:22:22,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:22:24,581 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:22:24,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:22:24,587 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 11:22:24,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:22:24 BoogieIcfgContainer [2022-12-14 11:22:24,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:22:24,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:22:24,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:22:24,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:22:24,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:22:22" (1/3) ... [2022-12-14 11:22:24,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525c93a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:22:24, skipping insertion in model container [2022-12-14 11:22:24,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:22:22" (2/3) ... [2022-12-14 11:22:24,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525c93a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:22:24, skipping insertion in model container [2022-12-14 11:22:24,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:22:24" (3/3) ... [2022-12-14 11:22:24,597 INFO L112 eAbstractionObserver]: Analyzing ICFG digits_bad_for.c [2022-12-14 11:22:24,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:22:24,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:22:24,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:22:24,659 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;@5b1f061f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:22:24,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:22:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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 11:22:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 11:22:24,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:24,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 11:22:24,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:22:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2022-12-14 11:22:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:22:24,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771538493] [2022-12-14 11:22:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:24,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:22:24,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:22:24,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 11:22:24,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 11:22:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:24,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 11:22:24,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:22:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:24,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:22:24,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:22:24,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771538493] [2022-12-14 11:22:24,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771538493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:22:24,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:22:24,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:22:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861141615] [2022-12-14 11:22:24,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:22:24,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:22:24,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 11:22:24,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:22:24,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:24,882 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 11:22:27,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 11:22:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:22:27,164 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-12-14 11:22:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:22:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2022-12-14 11:22:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:22:27,173 INFO L225 Difference]: With dead ends: 21 [2022-12-14 11:22:27,173 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 11:22:27,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:22:27,177 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:22:27,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 11:22:27,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 11:22:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 11:22:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 11:22:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 11:22:27,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2022-12-14 11:22:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:22:27,199 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 11:22:27,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 11:22:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 11:22:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 11:22:27,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:22:27,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:22:27,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:22:27,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:22:27,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:22:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:22:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash 265180975, now seen corresponding path program 1 times [2022-12-14 11:22:27,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 11:22:27,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003498224] [2022-12-14 11:22:27,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:27,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 11:22:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 11:22:27,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 11:22:27,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 11:22:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:22:27,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 11:22:27,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:22:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:22:30,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:22:36,477 WARN L837 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~x~0#1| ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero |c_ULTIMATE.start_main_~x~0#1|) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from false [2022-12-14 11:22:38,523 WARN L859 $PredicateComparison]: unable to prove that (not (fp.eq (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~x~0#1| ((_ to_fp 15 113) c_currentRoundingMode (_ bv10 32))) ((_ to_fp 15 113) c_currentRoundingMode (bvmul ((_ fp.to_sbv 32) roundTowardZero |c_ULTIMATE.start_main_~x~0#1|) (_ bv10 32)))) ((_ to_fp 15 113) c_currentRoundingMode (_ bv0 32)))) is different from true [2022-12-14 11:22:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-14 11:22:38,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 11:22:38,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003498224] [2022-12-14 11:22:38,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003498224] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:22:38,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2079597078] [2022-12-14 11:22:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:22:38,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 11:22:38,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 11:22:38,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 11:22:38,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 11:22:38,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 1 [2022-12-14 11:22:38,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 11:22:39,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 11:22:39,021 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) 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) 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.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 31 more [2022-12-14 11:22:39,030 INFO L158 Benchmark]: Toolchain (without parser) took 16992.40ms. Allocated memory is still 69.2MB. Free memory was 38.5MB in the beginning and 33.1MB in the end (delta: 5.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-12-14 11:22:39,031 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:39,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.05ms. Allocated memory is still 69.2MB. Free memory was 38.4MB in the beginning and 43.6MB in the end (delta: -5.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 11:22:39,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.28ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:39,035 INFO L158 Benchmark]: Boogie Preprocessor took 25.23ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 11:22:39,037 INFO L158 Benchmark]: RCFGBuilder took 2292.56ms. Allocated memory is still 69.2MB. Free memory was 40.6MB in the beginning and 30.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 11:22:39,038 INFO L158 Benchmark]: TraceAbstraction took 14436.25ms. Allocated memory is still 69.2MB. Free memory was 30.1MB in the beginning and 33.1MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:22:39,045 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 48.2MB. Free memory was 26.9MB in the beginning and 26.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.05ms. Allocated memory is still 69.2MB. Free memory was 38.4MB in the beginning and 43.6MB in the end (delta: -5.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.28ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.23ms. Allocated memory is still 69.2MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2292.56ms. Allocated memory is still 69.2MB. Free memory was 40.6MB in the beginning and 30.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 14436.25ms. Allocated memory is still 69.2MB. Free memory was 30.1MB in the beginning and 33.1MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 11:22:39,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44dc53c-34bb-4fd3-8962-569d062e5563/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: FP term ((_ to_fp 15 113) currentRoundingMode_0 termITE_1) with type whose size is 15/113 is not supported, only Float32 (8/24) or Float64 (11/53) types are supported in default mode. Try the experimental solver via --fp-exp. Note: There are known issues with the experimental solver, use at your own risk.