./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- 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 05:03:02,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:03:02,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:03:02,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:03:02,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:03:02,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:03:02,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:03:02,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:03:02,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:03:02,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:03:02,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:03:02,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:03:02,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:03:02,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:03:02,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:03:02,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:03:02,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:03:02,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:03:02,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:03:02,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:03:02,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:03:02,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:03:02,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:03:02,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:03:02,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:03:02,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:03:02,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:03:02,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:03:02,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:03:02,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:03:02,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:03:02,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:03:02,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:03:02,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:03:02,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:03:02,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:03:02,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:03:02,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:03:02,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:03:02,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:03:02,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:03:02,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:03:02,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:03:02,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:03:02,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:03:02,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:03:02,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:03:02,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:03:02,369 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:03:02,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:03:02,369 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:03:02,369 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:03:02,370 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:03:02,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:03:02,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:03:02,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:03:02,370 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:03:02,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:03:02,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:03:02,371 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:03:02,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:03:02,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:03:02,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:03:02,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:03:02,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:03:02,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:03:02,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:03:02,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:02,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:03:02,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:03:02,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:03:02,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:03:02,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:03:02,375 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2022-12-14 05:03:02,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:03:02,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:03:02,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:03:02,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:03:02,554 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:03:02,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-12-14 05:03:05,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:03:05,326 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:03:05,326 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-12-14 05:03:05,331 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/7bb036d36/3acc8d30dba846d488d46c0605997624/FLAG25c3ed463 [2022-12-14 05:03:05,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/7bb036d36/3acc8d30dba846d488d46c0605997624 [2022-12-14 05:03:05,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:03:05,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:03:05,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:05,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:03:05,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:03:05,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ab7e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05, skipping insertion in model container [2022-12-14 05:03:05,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:03:05,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:03:05,484 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-12-14 05:03:05,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:05,497 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:03:05,519 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-12-14 05:03:05,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:05,531 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:03:05,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05 WrapperNode [2022-12-14 05:03:05,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:05,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:05,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:03:05,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:03:05,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,569 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-12-14 05:03:05,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:05,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:03:05,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:03:05,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:03:05,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:03:05,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:03:05,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:03:05,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:03:05,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (1/1) ... [2022-12-14 05:03:05,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:05,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:03:05,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:03:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:03:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:03:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:03:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 05:03:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:03:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-14 05:03:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:03:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:03:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:03:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:03:05,730 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:03:05,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:03:05,951 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:03:06,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:03:06,099 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 05:03:06,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:06 BoogieIcfgContainer [2022-12-14 05:03:06,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:03:06,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:03:06,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:03:06,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:03:06,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:03:05" (1/3) ... [2022-12-14 05:03:06,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a82b2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:06, skipping insertion in model container [2022-12-14 05:03:06,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:05" (2/3) ... [2022-12-14 05:03:06,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a82b2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:06, skipping insertion in model container [2022-12-14 05:03:06,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:06" (3/3) ... [2022-12-14 05:03:06,110 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2022-12-14 05:03:06,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:03:06,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:03:06,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:03:06,177 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;@5fe33f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:03:06,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:03:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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 05:03:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 05:03:06,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:06,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:06,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2075857304, now seen corresponding path program 1 times [2022-12-14 05:03:06,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:06,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861989283] [2022-12-14 05:03:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:06,313 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 05:03:06,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:06,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861989283] [2022-12-14 05:03:06,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861989283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:06,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:06,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:03:06,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446481770] [2022-12-14 05:03:06,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:06,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:03:06,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:03:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:03:06,353 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 05:03:06,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:06,390 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2022-12-14 05:03:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:03:06,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) Word has length 9 [2022-12-14 05:03:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:06,401 INFO L225 Difference]: With dead ends: 43 [2022-12-14 05:03:06,401 INFO L226 Difference]: Without dead ends: 20 [2022-12-14 05:03:06,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:03:06,406 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:06,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-14 05:03:06,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-14 05:03:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 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 05:03:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-12-14 05:03:06,432 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 9 [2022-12-14 05:03:06,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:06,432 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-12-14 05:03:06,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 05:03:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-12-14 05:03:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:03:06,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:06,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:06,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:03:06,434 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:06,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:06,435 INFO L85 PathProgramCache]: Analyzing trace with hash -516775941, now seen corresponding path program 1 times [2022-12-14 05:03:06,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:06,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572230568] [2022-12-14 05:03:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:03:06,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:03:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:03:06,512 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:03:06,512 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:03:06,513 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:03:06,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:03:06,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:03:06,520 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:03:06,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:03:06 BoogieIcfgContainer [2022-12-14 05:03:06,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:03:06,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:03:06,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:03:06,541 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:03:06,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:06" (3/4) ... [2022-12-14 05:03:06,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:03:06,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:03:06,545 INFO L158 Benchmark]: Toolchain (without parser) took 1200.55ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 94.6MB in the end (delta: 17.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,546 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:03:06,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 100.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.29ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,547 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,547 INFO L158 Benchmark]: RCFGBuilder took 498.97ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 123.0MB in the end (delta: -26.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,548 INFO L158 Benchmark]: TraceAbstraction took 436.09ms. Allocated memory is still 153.1MB. Free memory was 123.0MB in the beginning and 95.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,548 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 94.6MB in the end (delta: 863.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:06,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.26ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 100.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.29ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.97ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 123.0MB in the end (delta: -26.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * TraceAbstraction took 436.09ms. Allocated memory is still 153.1MB. Free memory was 123.0MB in the beginning and 95.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 94.6MB in the end (delta: 863.9kB). 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: 105]: 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 104, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; [L100] double x = 0.0; [L101] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L28] COND FALSE !(j0 < 20) VAL [\old(x)=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L49] COND TRUE j0 > 51 [L50] COND TRUE j0 == 0x400 [L51] return x + x; VAL [\old(x)=0, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, j0=1024, x=0] [L101] RET, EXPR floor_double(x) [L101] double res = floor_double(x); [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L104] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L105] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 05:03:06,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- 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 05:03:08,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:03:08,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:03:08,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:03:08,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:03:08,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:03:08,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:03:08,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:03:08,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:03:08,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:03:08,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:03:08,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:03:08,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:03:08,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:03:08,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:03:08,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:03:08,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:03:08,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:03:08,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:03:08,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:03:08,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:03:08,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:03:08,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:03:08,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:03:08,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:03:08,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:03:08,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:03:08,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:03:08,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:03:08,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:03:08,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:03:08,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:03:08,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:03:08,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:03:08,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:03:08,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:03:08,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:03:08,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:03:08,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:03:08,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:03:08,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:03:08,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 05:03:08,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:03:08,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:03:08,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:03:08,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:03:08,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:03:08,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:03:08,380 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:03:08,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:03:08,380 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:03:08,381 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:03:08,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:03:08,381 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:03:08,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:03:08,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:03:08,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:03:08,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:03:08,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:03:08,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:03:08,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:03:08,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:03:08,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:03:08,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:03:08,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:03:08,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:03:08,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:08,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:03:08,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:03:08,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:03:08,387 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2022-12-14 05:03:08,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:03:08,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:03:08,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:03:08,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:03:08,670 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:03:08,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-12-14 05:03:11,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:03:11,403 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:03:11,403 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2022-12-14 05:03:11,410 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/a6ab2bc97/222300ca680844b39aa15075c1c30506/FLAG81efcaacd [2022-12-14 05:03:11,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/data/a6ab2bc97/222300ca680844b39aa15075c1c30506 [2022-12-14 05:03:11,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:03:11,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:03:11,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:11,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:03:11,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:03:11,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b60b6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11, skipping insertion in model container [2022-12-14 05:03:11,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:03:11,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:03:11,586 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-12-14 05:03:11,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:11,603 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:03:11,627 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_c1560aee-5a20-4d07-8945-a388dd3b3b44/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2022-12-14 05:03:11,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:03:11,646 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:03:11,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11 WrapperNode [2022-12-14 05:03:11,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:03:11,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:11,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:03:11,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:03:11,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,685 INFO L138 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-12-14 05:03:11,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:03:11,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:03:11,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:03:11,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:03:11,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,714 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:03:11,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:03:11,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:03:11,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:03:11,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (1/1) ... [2022-12-14 05:03:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:03:11,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:03:11,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:03:11,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:03:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:03:11,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:03:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 05:03:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:03:11,852 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:03:11,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:03:12,864 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:03:12,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:03:12,869 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 05:03:12,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:12 BoogieIcfgContainer [2022-12-14 05:03:12,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:03:12,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:03:12,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:03:12,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:03:12,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:03:11" (1/3) ... [2022-12-14 05:03:12,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adde76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:12, skipping insertion in model container [2022-12-14 05:03:12,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:03:11" (2/3) ... [2022-12-14 05:03:12,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adde76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:03:12, skipping insertion in model container [2022-12-14 05:03:12,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:03:12" (3/3) ... [2022-12-14 05:03:12,877 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2022-12-14 05:03:12,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:03:12,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:03:12,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:03:12,928 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;@30dd6328, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:03:12,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:03:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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 05:03:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:03:12,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:12,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:12,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:12,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:12,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2022-12-14 05:03:12,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:12,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127890536] [2022-12-14 05:03:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:12,950 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 05:03:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:12,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:12,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:13,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:03:13,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:13,036 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 05:03:13,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:13,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:03:13,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127890536] [2022-12-14 05:03:13,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127890536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:13,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:13,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:03:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220590836] [2022-12-14 05:03:13,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:13,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:03:13,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:03:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:03:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:03:13,075 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 05:03:13,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:13,092 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2022-12-14 05:03:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:03:13,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-12-14 05:03:13,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:13,102 INFO L225 Difference]: With dead ends: 74 [2022-12-14 05:03:13,102 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 05:03:13,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:03:13,107 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:13,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:13,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 05:03:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 05:03:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 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 05:03:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2022-12-14 05:03:13,130 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2022-12-14 05:03:13,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:13,130 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2022-12-14 05:03:13,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 05:03:13,130 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2022-12-14 05:03:13,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:03:13,131 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:13,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:13,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:13,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:13,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2022-12-14 05:03:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:13,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997829941] [2022-12-14 05:03:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:13,335 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 05:03:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:13,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:13,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 05:03:13,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:13,556 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 05:03:13,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:13,556 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:03:13,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997829941] [2022-12-14 05:03:13,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997829941] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:13,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:13,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:03:13,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111016497] [2022-12-14 05:03:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:13,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:03:13,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:03:13,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:03:13,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:03:13,560 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 05:03:13,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:13,762 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2022-12-14 05:03:13,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:03:13,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2022-12-14 05:03:13,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:13,763 INFO L225 Difference]: With dead ends: 47 [2022-12-14 05:03:13,763 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 05:03:13,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:03:13,765 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 41 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:13,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 28 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:03:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 05:03:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-14 05:03:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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 05:03:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-12-14 05:03:13,772 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2022-12-14 05:03:13,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:13,772 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-12-14 05:03:13,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 05:03:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-12-14 05:03:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 05:03:13,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:13,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:13,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,975 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2022-12-14 05:03:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:13,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764258411] [2022-12-14 05:03:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:13,980 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 05:03:13,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:13,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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 05:03:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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)] Waiting until timeout for monitored process [2022-12-14 05:03:14,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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)] Ended with exit code 139 [2022-12-14 05:03:14,160 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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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) with exit command (exit)) Received EOF on stdin. No stderr output. 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.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) 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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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) with exit command (exit)) Received EOF on stdin. No stderr output. 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.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) ... 30 more 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) ... 37 more [2022-12-14 05:03:14,163 INFO L158 Benchmark]: Toolchain (without parser) took 2737.21ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 59.9MB in the beginning and 60.5MB in the end (delta: -628.2kB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,163 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:03:14,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.03ms. Allocated memory is still 79.7MB. Free memory was 59.7MB in the beginning and 47.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,164 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,165 INFO L158 Benchmark]: RCFGBuilder took 1151.00ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 74.1MB in the end (delta: -30.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,165 INFO L158 Benchmark]: TraceAbstraction took 1289.34ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 60.5MB in the end (delta: 13.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-14 05:03:14,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.03ms. Allocated memory is still 79.7MB. Free memory was 59.7MB in the beginning and 47.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.24ms. Allocated memory is still 79.7MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.00ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 74.1MB in the end (delta: -30.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1289.34ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 60.5MB in the end (delta: 13.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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) with exit command (exit)) Received EOF on stdin. No stderr output.: 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 05:03:14,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1560aee-5a20-4d07-8945-a388dd3b3b44/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) with exit command (exit)) Received EOF on stdin. No stderr output.