./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI --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 cef5793fe43b7ac201f8ba74ab73acc606c8d546b5c039af9ee3552505a25b3c --- 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-5e519f3 [2022-11-03 02:06:28,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:06:28,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:06:28,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:06:28,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:06:28,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:06:28,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:06:28,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:06:28,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:06:28,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:06:28,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:06:28,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:06:28,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:06:28,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:06:28,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:06:28,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:06:28,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:06:28,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:06:28,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:06:28,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:06:28,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:06:28,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:06:28,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:06:28,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:06:28,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:06:28,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:06:28,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:06:28,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:06:28,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:06:28,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:06:28,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:06:28,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:06:28,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:06:28,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:06:28,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:06:28,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:06:28,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:06:28,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:06:28,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:06:28,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:06:28,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:06:28,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:06:28,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:06:28,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:06:28,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:06:28,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:06:28,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:06:28,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:06:28,510 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:06:28,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:06:28,511 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:06:28,511 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:06:28,512 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:06:28,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:06:28,513 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:06:28,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:06:28,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:06:28,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:06:28,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:06:28,514 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:06:28,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:06:28,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:06:28,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:06:28,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:06:28,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:06:28,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:06:28,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:06:28,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:06:28,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:06:28,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:06:28,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:06:28,535 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:06:28,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:06:28,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:06:28,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:06:28,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:06:28,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:06:28,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:06:28,536 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cef5793fe43b7ac201f8ba74ab73acc606c8d546b5c039af9ee3552505a25b3c [2022-11-03 02:06:28,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:06:28,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:06:28,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:06:28,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:06:28,836 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:06:28,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2022-11-03 02:06:28,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/1145dd8c0/55f07709e7f94a76901f66f5b38ef7f2/FLAGa1a43edd1 [2022-11-03 02:06:29,334 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:06:29,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2022-11-03 02:06:29,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/1145dd8c0/55f07709e7f94a76901f66f5b38ef7f2/FLAGa1a43edd1 [2022-11-03 02:06:29,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/1145dd8c0/55f07709e7f94a76901f66f5b38ef7f2 [2022-11-03 02:06:29,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:06:29,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:06:29,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:29,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:06:29,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:06:29,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:29" (1/1) ... [2022-11-03 02:06:29,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3583bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:29, skipping insertion in model container [2022-11-03 02:06:29,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:29" (1/1) ... [2022-11-03 02:06:29,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:06:29,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:06:30,017 WARN L230 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2022-11-03 02:06:30,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:06:30,027 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:06:30,068 WARN L230 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2022-11-03 02:06:30,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:06:30,082 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:06:30,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30 WrapperNode [2022-11-03 02:06:30,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:30,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:06:30,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:06:30,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:06:30,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,145 INFO L138 Inliner]: procedures = 18, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 254 [2022-11-03 02:06:30,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:06:30,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:06:30,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:06:30,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:06:30,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:06:30,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:06:30,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:06:30,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:06:30,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (1/1) ... [2022-11-03 02:06:30,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:06:30,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:30,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:06:30,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:06:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:06:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:06:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:06:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 02:06:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:06:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 02:06:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:06:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:06:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:06:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:06:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-03 02:06:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-03 02:06:30,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:06:30,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:06:30,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:06:30,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:06:30,992 INFO L300 CfgBuilder]: Removed 34 assume(true) statements. [2022-11-03 02:06:30,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:30 BoogieIcfgContainer [2022-11-03 02:06:30,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:06:31,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:06:31,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:06:31,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:06:31,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:06:29" (1/3) ... [2022-11-03 02:06:31,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732ae4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:31, skipping insertion in model container [2022-11-03 02:06:31,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:30" (2/3) ... [2022-11-03 02:06:31,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732ae4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:31, skipping insertion in model container [2022-11-03 02:06:31,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:30" (3/3) ... [2022-11-03 02:06:31,023 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2022-11-03 02:06:31,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:06:31,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:06:31,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:06:31,099 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;@6eff5552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:06:31,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:06:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 67 states have (on average 1.7164179104477613) internal successors, (115), 68 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:06:31,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:31,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:31,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:31,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:31,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1867774098, now seen corresponding path program 1 times [2022-11-03 02:06:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:31,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919132160] [2022-11-03 02:06:31,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:31,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:31,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:31,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919132160] [2022-11-03 02:06:31,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919132160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:31,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:31,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:06:31,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286860184] [2022-11-03 02:06:31,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:31,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:06:31,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:06:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:06:31,390 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.7164179104477613) internal successors, (115), 68 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-03 02:06:31,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:31,473 INFO L93 Difference]: Finished difference Result 143 states and 239 transitions. [2022-11-03 02:06:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:06:31,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2022-11-03 02:06:31,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:31,487 INFO L225 Difference]: With dead ends: 143 [2022-11-03 02:06:31,488 INFO L226 Difference]: Without dead ends: 70 [2022-11-03 02:06:31,493 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 [2022-11-03 02:06:31,500 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:31,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:06:31,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-03 02:06:31,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-03 02:06:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 66 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 84 transitions. [2022-11-03 02:06:31,553 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 84 transitions. Word has length 13 [2022-11-03 02:06:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:31,553 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 84 transitions. [2022-11-03 02:06:31,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-03 02:06:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2022-11-03 02:06:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:06:31,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:31,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:31,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:06:31,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:31,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:31,557 INFO L85 PathProgramCache]: Analyzing trace with hash -573064207, now seen corresponding path program 1 times [2022-11-03 02:06:31,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:31,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816664308] [2022-11-03 02:06:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:06:31,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:06:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:06:31,760 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:06:31,761 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:06:31,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:06:31,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:06:31,767 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:06:31,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:06:31,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:06:31 BoogieIcfgContainer [2022-11-03 02:06:31,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:06:31,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:06:31,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:06:31,808 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:06:31,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:30" (3/4) ... [2022-11-03 02:06:31,812 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:06:31,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:06:31,814 INFO L158 Benchmark]: Toolchain (without parser) took 2079.79ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 68.1MB in the end (delta: -11.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,816 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:06:31,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 70.7MB in the end (delta: -14.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.14ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,828 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 65.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,830 INFO L158 Benchmark]: RCFGBuilder took 805.30ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 65.8MB in the beginning and 104.9MB in the end (delta: -39.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,831 INFO L158 Benchmark]: TraceAbstraction took 788.99ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 68.1MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-03 02:06:31,832 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 132.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:06:31,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.03ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 70.7MB in the end (delta: -14.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.14ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 68.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 65.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.30ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 65.8MB in the beginning and 104.9MB in the end (delta: -39.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 788.99ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 68.1MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 132.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L231] float x = 1.0f / 0.0f; [L232] float y = __VERIFIER_nondet_float(); [L233] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=251658242, \old(y)=251658242, a=251658242, b=251658242, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658242] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [\old(x)=251658242, \old(y)=251658242, a=251658242, b=251658242, ha=251658241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658242] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [\old(x)=251658242, \old(y)=251658242, a=251658242, b=251658242, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658242] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=251658242, \old(y)=251658242, a=251658244, b=251658245, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658242] [L233] RET, EXPR __ieee754_hypotf(x, y) [L233] float res = __ieee754_hypotf(x, y); [L235] CALL, EXPR isinf_float(res) [L214] __int32_t ix; VAL [\old(x)=251658243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658243] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); [L235] RET, EXPR isinf_float(res) [L235] COND TRUE !isinf_float(res) [L236] reach_error() VAL [one_sqrt=1, res=251658243, tiny_sqrt=1/1000000000000000000000000000000, x=251658242, y=251658242] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 10 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=72occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2022-11-03 02:06:31,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI --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 cef5793fe43b7ac201f8ba74ab73acc606c8d546b5c039af9ee3552505a25b3c --- 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-5e519f3 [2022-11-03 02:06:34,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:06:34,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:06:34,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:06:34,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:06:34,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:06:34,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:06:34,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:06:34,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:06:34,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:06:34,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:06:34,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:06:34,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:06:34,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:06:34,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:06:34,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:06:34,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:06:34,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:06:34,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:06:34,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:06:34,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:06:34,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:06:34,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:06:34,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:06:34,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:06:34,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:06:34,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:06:34,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:06:34,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:06:34,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:06:34,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:06:34,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:06:34,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:06:34,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:06:34,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:06:34,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:06:34,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:06:34,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:06:34,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:06:34,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:06:34,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:06:34,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:06:34,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:06:34,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:06:34,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:06:34,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:06:34,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:06:34,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:06:34,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:06:34,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:06:34,407 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:06:34,408 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:06:34,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:06:34,409 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:06:34,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:06:34,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:06:34,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:06:34,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:06:34,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:06:34,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:06:34,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:06:34,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:06:34,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:06:34,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:06:34,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:06:34,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:06:34,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:06:34,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:06:34,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:06:34,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:06:34,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:06:34,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:06:34,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:06:34,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:06:34,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:06:34,416 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:06:34,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:06:34,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:06:34,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:06:34,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:06:34,418 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cef5793fe43b7ac201f8ba74ab73acc606c8d546b5c039af9ee3552505a25b3c [2022-11-03 02:06:34,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:06:34,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:06:34,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:06:34,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:06:34,880 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:06:34,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2022-11-03 02:06:34,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/6efde77b5/b01e98ea87684d088fb7225706e752e7/FLAG167750a84 [2022-11-03 02:06:35,472 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:06:35,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2022-11-03 02:06:35,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/6efde77b5/b01e98ea87684d088fb7225706e752e7/FLAG167750a84 [2022-11-03 02:06:35,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/data/6efde77b5/b01e98ea87684d088fb7225706e752e7 [2022-11-03 02:06:35,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:06:35,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:06:35,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:35,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:06:35,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:06:35,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:35" (1/1) ... [2022-11-03 02:06:35,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79be2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:35, skipping insertion in model container [2022-11-03 02:06:35,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:35" (1/1) ... [2022-11-03 02:06:35,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:06:35,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:06:36,168 WARN L230 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2022-11-03 02:06:36,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:06:36,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:06:36,272 WARN L230 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_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2022-11-03 02:06:36,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:06:36,303 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:06:36,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36 WrapperNode [2022-11-03 02:06:36,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:06:36,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:06:36,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:06:36,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:06:36,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,353 INFO L138 Inliner]: procedures = 21, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 254 [2022-11-03 02:06:36,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:06:36,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:06:36,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:06:36,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:06:36,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:06:36,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:06:36,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:06:36,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:06:36,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (1/1) ... [2022-11-03 02:06:36,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:06:36,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:06:36,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:06:36,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:06:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:06:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:06:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:06:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-03 02:06:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:06:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:06:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:06:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-03 02:06:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:06:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:06:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-03 02:06:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-03 02:06:36,612 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:06:36,614 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:06:38,125 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:06:38,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:06:38,131 INFO L300 CfgBuilder]: Removed 34 assume(true) statements. [2022-11-03 02:06:38,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:38 BoogieIcfgContainer [2022-11-03 02:06:38,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:06:38,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:06:38,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:06:38,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:06:38,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:06:35" (1/3) ... [2022-11-03 02:06:38,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d3b43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:38, skipping insertion in model container [2022-11-03 02:06:38,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:36" (2/3) ... [2022-11-03 02:06:38,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d3b43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:38, skipping insertion in model container [2022-11-03 02:06:38,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:38" (3/3) ... [2022-11-03 02:06:38,142 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2022-11-03 02:06:38,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:06:38,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:06:38,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:06:38,216 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;@79ab11b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:06:38,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:06:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 85 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:06:38,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:38,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:38,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1724151004, now seen corresponding path program 1 times [2022-11-03 02:06:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:38,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96564303] [2022-11-03 02:06:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:38,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:38,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:06:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:38,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 02:06:38,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:38,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:38,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:38,523 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:38,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96564303] [2022-11-03 02:06:38,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96564303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:38,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:38,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:06:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039421296] [2022-11-03 02:06:38,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:38,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:06:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:38,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:06:38,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:06:38,576 INFO L87 Difference]: Start difference. First operand has 89 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 85 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-11-03 02:06:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:38,635 INFO L93 Difference]: Finished difference Result 176 states and 292 transitions. [2022-11-03 02:06:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:06:38,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2022-11-03 02:06:38,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:38,646 INFO L225 Difference]: With dead ends: 176 [2022-11-03 02:06:38,646 INFO L226 Difference]: Without dead ends: 86 [2022-11-03 02:06:38,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:06:38,658 INFO L413 NwaCegarLoop]: 111 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, 111 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 [2022-11-03 02:06:38,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:06:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-03 02:06:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-03 02:06:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 82 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-11-03 02:06:38,726 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 16 [2022-11-03 02:06:38,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:38,727 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-11-03 02:06:38,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-11-03 02:06:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-11-03 02:06:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:06:38,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:38,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:38,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:38,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:38,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:38,952 INFO L85 PathProgramCache]: Analyzing trace with hash -927967701, now seen corresponding path program 1 times [2022-11-03 02:06:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:38,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218334193] [2022-11-03 02:06:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:38,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:38,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:06:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:39,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-03 02:06:39,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:39,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:06:39,831 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:06:39,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 31 [2022-11-03 02:06:40,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2022-11-03 02:06:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:41,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:41,476 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:41,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218334193] [2022-11-03 02:06:41,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218334193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:41,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:41,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:06:41,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124915552] [2022-11-03 02:06:41,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:41,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:06:41,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:41,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:06:41,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:06:41,479 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2022-11-03 02:06:43,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:43,807 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2022-11-03 02:06:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:06:43,811 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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 21 [2022-11-03 02:06:43,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:43,813 INFO L225 Difference]: With dead ends: 99 [2022-11-03 02:06:43,813 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 02:06:43,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:06:43,815 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 15 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:43,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 684 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 97 Unchecked, 2.1s Time] [2022-11-03 02:06:43,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 02:06:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-03 02:06:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.2528735632183907) internal successors, (109), 87 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 113 transitions. [2022-11-03 02:06:43,825 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 113 transitions. Word has length 21 [2022-11-03 02:06:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:43,825 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 113 transitions. [2022-11-03 02:06:43,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 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) [2022-11-03 02:06:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2022-11-03 02:06:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:06:43,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:43,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:43,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-03 02:06:44,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:44,034 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:44,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash -341161687, now seen corresponding path program 1 times [2022-11-03 02:06:44,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:44,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127200706] [2022-11-03 02:06:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:44,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:44,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:44,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:06:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:44,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:06:44,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:44,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:44,576 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:44,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127200706] [2022-11-03 02:06:44,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127200706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:44,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:44,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:44,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814278042] [2022-11-03 02:06:44,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:44,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:44,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:44,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:44,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:44,579 INFO L87 Difference]: Start difference. First operand 91 states and 113 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-03 02:06:44,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:44,596 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2022-11-03 02:06:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-11-03 02:06:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:44,600 INFO L225 Difference]: With dead ends: 99 [2022-11-03 02:06:44,600 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 02:06:44,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:44,602 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 1 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:44,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 49 Unchecked, 0.0s Time] [2022-11-03 02:06:44,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 02:06:44,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-11-03 02:06:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 82 states have (on average 1.2560975609756098) internal successors, (103), 82 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 107 transitions. [2022-11-03 02:06:44,610 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 107 transitions. Word has length 21 [2022-11-03 02:06:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:44,615 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 107 transitions. [2022-11-03 02:06:44,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2022-11-03 02:06:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2022-11-03 02:06:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:06:44,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:44,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:44,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:44,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:44,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:44,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -637128605, now seen corresponding path program 1 times [2022-11-03 02:06:44,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:44,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33792643] [2022-11-03 02:06:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:44,842 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:44,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:06:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:45,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:06:45,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:45,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:45,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:45,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33792643] [2022-11-03 02:06:45,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33792643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:45,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:45,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590245878] [2022-11-03 02:06:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:45,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:45,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:45,185 INFO L87 Difference]: Start difference. First operand 86 states and 107 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:06:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:45,194 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2022-11-03 02:06:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:45,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-03 02:06:45,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:45,195 INFO L225 Difference]: With dead ends: 155 [2022-11-03 02:06:45,195 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 02:06:45,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:45,197 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:45,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-03 02:06:45,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 02:06:45,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-03 02:06:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 88 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 113 transitions. [2022-11-03 02:06:45,206 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 113 transitions. Word has length 24 [2022-11-03 02:06:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:45,207 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 113 transitions. [2022-11-03 02:06:45,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:06:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2022-11-03 02:06:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:06:45,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:45,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:45,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:45,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:45,423 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:45,423 INFO L85 PathProgramCache]: Analyzing trace with hash 383939749, now seen corresponding path program 1 times [2022-11-03 02:06:45,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:45,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283905587] [2022-11-03 02:06:45,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:45,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:45,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:45,433 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:45,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:06:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:06:45,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:45,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:45,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:45,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283905587] [2022-11-03 02:06:45,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283905587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:45,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:45,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:06:45,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044919670] [2022-11-03 02:06:45,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:45,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:06:45,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:45,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:06:45,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:45,871 INFO L87 Difference]: Start difference. First operand 92 states and 113 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:06:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:45,881 INFO L93 Difference]: Finished difference Result 158 states and 198 transitions. [2022-11-03 02:06:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:06:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-03 02:06:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:45,882 INFO L225 Difference]: With dead ends: 158 [2022-11-03 02:06:45,882 INFO L226 Difference]: Without dead ends: 96 [2022-11-03 02:06:45,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:45,884 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 4 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:45,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 388 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2022-11-03 02:06:45,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-03 02:06:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2022-11-03 02:06:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 89 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2022-11-03 02:06:45,892 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 24 [2022-11-03 02:06:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:45,893 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2022-11-03 02:06:45,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:06:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-11-03 02:06:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:45,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:45,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:45,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:46,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:46,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash 753179498, now seen corresponding path program 1 times [2022-11-03 02:06:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:46,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401993298] [2022-11-03 02:06:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:46,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:46,118 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:06:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:46,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 02:06:46,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:46,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:06:46,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-11-03 02:06:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:46,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:46,878 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:46,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401993298] [2022-11-03 02:06:46,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401993298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:46,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:46,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:06:46,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204947720] [2022-11-03 02:06:46,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:46,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:06:46,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:46,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:06:46,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:06:46,880 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-11-03 02:06:46,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:46,943 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2022-11-03 02:06:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:06:46,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:46,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:46,945 INFO L225 Difference]: With dead ends: 105 [2022-11-03 02:06:46,945 INFO L226 Difference]: Without dead ends: 96 [2022-11-03 02:06:46,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:06:46,946 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 5 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:46,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 743 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 118 Unchecked, 0.0s Time] [2022-11-03 02:06:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-03 02:06:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-03 02:06:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.25) internal successors, (115), 92 states have internal predecessors, (115), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 119 transitions. [2022-11-03 02:06:46,956 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 119 transitions. Word has length 26 [2022-11-03 02:06:46,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:46,956 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 119 transitions. [2022-11-03 02:06:46,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-11-03 02:06:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2022-11-03 02:06:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:46,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:46,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:46,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:47,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:47,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:47,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:47,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1433237868, now seen corresponding path program 1 times [2022-11-03 02:06:47,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:47,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913887365] [2022-11-03 02:06:47,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:47,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:47,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:47,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:47,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:06:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:47,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-03 02:06:47,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:48,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:48,136 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:48,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913887365] [2022-11-03 02:06:48,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913887365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:48,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:48,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:06:48,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147873859] [2022-11-03 02:06:48,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:48,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:06:48,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:06:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:06:48,137 INFO L87 Difference]: Start difference. First operand 96 states and 119 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2022-11-03 02:06:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:48,209 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2022-11-03 02:06:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:06:48,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:48,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:48,211 INFO L225 Difference]: With dead ends: 116 [2022-11-03 02:06:48,211 INFO L226 Difference]: Without dead ends: 106 [2022-11-03 02:06:48,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:06:48,212 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 12 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:48,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 958 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 69 Unchecked, 0.0s Time] [2022-11-03 02:06:48,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-03 02:06:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2022-11-03 02:06:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.2391304347826086) internal successors, (114), 92 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2022-11-03 02:06:48,221 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 26 [2022-11-03 02:06:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:48,221 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2022-11-03 02:06:48,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2022-11-03 02:06:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2022-11-03 02:06:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:48,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:48,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:48,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:48,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:48,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:48,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1040210858, now seen corresponding path program 1 times [2022-11-03 02:06:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:48,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589566371] [2022-11-03 02:06:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:48,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:48,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:48,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:48,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:06:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:48,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:06:48,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:48,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:48,849 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:48,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589566371] [2022-11-03 02:06:48,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589566371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:48,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:48,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525598783] [2022-11-03 02:06:48,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:48,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:48,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:48,852 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-03 02:06:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:48,859 INFO L93 Difference]: Finished difference Result 105 states and 126 transitions. [2022-11-03 02:06:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:48,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:48,860 INFO L225 Difference]: With dead ends: 105 [2022-11-03 02:06:48,860 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 02:06:48,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:48,863 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:48,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-03 02:06:48,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 02:06:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-03 02:06:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 90 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2022-11-03 02:06:48,873 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 26 [2022-11-03 02:06:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:48,873 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2022-11-03 02:06:48,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-03 02:06:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2022-11-03 02:06:48,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:48,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:48,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:48,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:49,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:49,095 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:49,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:49,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1547643092, now seen corresponding path program 1 times [2022-11-03 02:06:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:49,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669735277] [2022-11-03 02:06:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:49,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:49,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:49,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 02:06:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:49,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 02:06:49,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:49,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:49,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:49,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669735277] [2022-11-03 02:06:49,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669735277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:49,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:49,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:49,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780390636] [2022-11-03 02:06:49,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:49,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:49,882 INFO L87 Difference]: Start difference. First operand 94 states and 115 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-11-03 02:06:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:49,890 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2022-11-03 02:06:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:49,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:49,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:49,891 INFO L225 Difference]: With dead ends: 104 [2022-11-03 02:06:49,891 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 02:06:49,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:49,892 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:49,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 382 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2022-11-03 02:06:49,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 02:06:49,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-03 02:06:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 90 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 114 transitions. [2022-11-03 02:06:49,900 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 114 transitions. Word has length 26 [2022-11-03 02:06:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:49,900 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 114 transitions. [2022-11-03 02:06:49,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-11-03 02:06:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2022-11-03 02:06:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:49,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:49,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:49,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:50,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:50,117 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1940670102, now seen corresponding path program 1 times [2022-11-03 02:06:50,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:50,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386834991] [2022-11-03 02:06:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:50,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:50,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:50,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:50,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 02:06:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:50,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 02:06:50,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:50,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:06:50,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2022-11-03 02:06:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:51,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:51,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:51,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386834991] [2022-11-03 02:06:51,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386834991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:51,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:51,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:06:51,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932128033] [2022-11-03 02:06:51,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:51,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:06:51,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:51,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:06:51,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:06:51,295 INFO L87 Difference]: Start difference. First operand 94 states and 114 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-03 02:06:51,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:51,439 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2022-11-03 02:06:51,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:06:51,439 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:51,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:51,440 INFO L225 Difference]: With dead ends: 105 [2022-11-03 02:06:51,440 INFO L226 Difference]: Without dead ends: 96 [2022-11-03 02:06:51,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:06:51,441 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 10 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 162 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:51,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 970 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 162 Unchecked, 0.0s Time] [2022-11-03 02:06:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-03 02:06:51,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2022-11-03 02:06:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.211111111111111) internal successors, (109), 90 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 113 transitions. [2022-11-03 02:06:51,448 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 113 transitions. Word has length 26 [2022-11-03 02:06:51,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:51,448 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 113 transitions. [2022-11-03 02:06:51,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2022-11-03 02:06:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2022-11-03 02:06:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 02:06:51,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:51,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:51,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:51,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:51,650 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1260611732, now seen corresponding path program 1 times [2022-11-03 02:06:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:51,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671983456] [2022-11-03 02:06:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:51,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:51,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:51,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 02:06:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:51,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 02:06:51,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:52,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:52,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:52,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671983456] [2022-11-03 02:06:52,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671983456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:52,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:52,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:06:52,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980562106] [2022-11-03 02:06:52,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:52,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:06:52,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:06:52,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:52,128 INFO L87 Difference]: Start difference. First operand 94 states and 113 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-03 02:06:52,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:52,141 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2022-11-03 02:06:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:06:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2022-11-03 02:06:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:52,142 INFO L225 Difference]: With dead ends: 102 [2022-11-03 02:06:52,143 INFO L226 Difference]: Without dead ends: 91 [2022-11-03 02:06:52,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:52,144 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:52,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 367 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-11-03 02:06:52,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-03 02:06:52,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2022-11-03 02:06:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 86 states have (on average 1.2093023255813953) internal successors, (104), 86 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2022-11-03 02:06:52,153 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 26 [2022-11-03 02:06:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2022-11-03 02:06:52,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-03 02:06:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2022-11-03 02:06:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:06:52,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:52,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:52,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:52,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:52,380 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:52,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1214285036, now seen corresponding path program 1 times [2022-11-03 02:06:52,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:52,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323434129] [2022-11-03 02:06:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:52,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:52,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:52,383 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:52,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 02:06:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:52,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:06:52,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:52,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:52,759 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:52,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323434129] [2022-11-03 02:06:52,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323434129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:52,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:52,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:52,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236810272] [2022-11-03 02:06:52,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:52,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:52,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:52,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:52,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:52,760 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-03 02:06:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:52,765 INFO L93 Difference]: Finished difference Result 158 states and 192 transitions. [2022-11-03 02:06:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:52,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2022-11-03 02:06:52,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:52,768 INFO L225 Difference]: With dead ends: 158 [2022-11-03 02:06:52,768 INFO L226 Difference]: Without dead ends: 84 [2022-11-03 02:06:52,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:52,771 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:52,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 15 Unchecked, 0.0s Time] [2022-11-03 02:06:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-03 02:06:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-03 02:06:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.2125) internal successors, (97), 80 states have internal predecessors, (97), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2022-11-03 02:06:52,783 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 101 transitions. Word has length 29 [2022-11-03 02:06:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:52,783 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 101 transitions. [2022-11-03 02:06:52,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-03 02:06:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2022-11-03 02:06:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:06:52,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:52,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:52,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:53,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:53,007 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:53,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:53,007 INFO L85 PathProgramCache]: Analyzing trace with hash 791583210, now seen corresponding path program 1 times [2022-11-03 02:06:53,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:53,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004282460] [2022-11-03 02:06:53,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:53,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:53,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 02:06:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:53,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 02:06:53,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:53,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:53,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:53,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004282460] [2022-11-03 02:06:53,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004282460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:53,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:53,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:53,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460759468] [2022-11-03 02:06:53,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:53,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:53,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:53,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:53,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:53,516 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-03 02:06:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:53,521 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2022-11-03 02:06:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:53,521 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 29 [2022-11-03 02:06:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:53,521 INFO L225 Difference]: With dead ends: 137 [2022-11-03 02:06:53,521 INFO L226 Difference]: Without dead ends: 75 [2022-11-03 02:06:53,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:53,526 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:53,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 372 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-11-03 02:06:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-03 02:06:53,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-11-03 02:06:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.2) internal successors, (84), 70 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 88 transitions. [2022-11-03 02:06:53,534 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 88 transitions. Word has length 29 [2022-11-03 02:06:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:53,534 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 88 transitions. [2022-11-03 02:06:53,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2022-11-03 02:06:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2022-11-03 02:06:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-03 02:06:53,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:53,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:53,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:53,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:53,752 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:53,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash -644112787, now seen corresponding path program 1 times [2022-11-03 02:06:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:53,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048457594] [2022-11-03 02:06:53,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:53,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:53,753 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:53,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 02:06:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:54,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:06:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:55,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:55,166 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:55,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048457594] [2022-11-03 02:06:55,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048457594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:55,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:55,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:06:55,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341379746] [2022-11-03 02:06:55,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:55,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:06:55,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:55,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:06:55,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:06:55,168 INFO L87 Difference]: Start difference. First operand 74 states and 88 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:06:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:57,836 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2022-11-03 02:06:57,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:06:57,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-11-03 02:06:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:57,842 INFO L225 Difference]: With dead ends: 120 [2022-11-03 02:06:57,842 INFO L226 Difference]: Without dead ends: 77 [2022-11-03 02:06:57,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:06:57,843 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 15 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:57,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 335 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 28 Unchecked, 2.5s Time] [2022-11-03 02:06:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-03 02:06:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-03 02:06:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 73 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2022-11-03 02:06:57,849 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 38 [2022-11-03 02:06:57,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:57,849 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2022-11-03 02:06:57,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:06:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2022-11-03 02:06:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 02:06:57,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:57,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:57,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:58,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:58,062 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:58,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:58,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1774044992, now seen corresponding path program 1 times [2022-11-03 02:06:58,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:58,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506847675] [2022-11-03 02:06:58,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:58,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:58,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:58,064 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:58,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 02:06:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:58,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 02:06:58,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:59,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:59,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:59,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506847675] [2022-11-03 02:06:59,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506847675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:59,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:59,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:06:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468013981] [2022-11-03 02:06:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:59,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:06:59,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:06:59,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:59,047 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:06:59,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:59,051 INFO L93 Difference]: Finished difference Result 123 states and 148 transitions. [2022-11-03 02:06:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:06:59,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-11-03 02:06:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:59,051 INFO L225 Difference]: With dead ends: 123 [2022-11-03 02:06:59,052 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:06:59,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:06:59,052 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:59,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 308 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2022-11-03 02:06:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:06:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 02:06:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 70 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:06:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2022-11-03 02:06:59,058 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 41 [2022-11-03 02:06:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:59,058 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-03 02:06:59,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:06:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-11-03 02:06:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-03 02:06:59,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:59,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:59,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:59,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:59,284 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:59,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1801889522, now seen corresponding path program 1 times [2022-11-03 02:06:59,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:59,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479174210] [2022-11-03 02:06:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:59,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:59,285 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:59,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 02:06:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:59,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:06:59,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:06:59,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:06:59,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:59,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479174210] [2022-11-03 02:06:59,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479174210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:59,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:59,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:59,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054671969] [2022-11-03 02:06:59,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:59,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:59,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:06:59,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:59,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:59,933 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:07:02,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:04,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:04,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:04,336 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-11-03 02:07:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:07:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-11-03 02:07:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:04,375 INFO L225 Difference]: With dead ends: 82 [2022-11-03 02:07:04,375 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:07:04,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:04,376 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 19 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:04,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 212 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 02:07:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:07:04,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 02:07:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 70 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:07:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2022-11-03 02:07:04,381 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 86 transitions. Word has length 43 [2022-11-03 02:07:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:04,382 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 86 transitions. [2022-11-03 02:07:04,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:07:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2022-11-03 02:07:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-03 02:07:04,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:04,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:07:04,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 02:07:04,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:07:04,594 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:07:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:04,595 INFO L85 PathProgramCache]: Analyzing trace with hash 345138875, now seen corresponding path program 1 times [2022-11-03 02:07:04,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:07:04,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299604132] [2022-11-03 02:07:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:04,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:07:04,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:07:04,597 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:07:04,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 02:07:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:05,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 02:07:05,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:07:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:07:05,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:07:05,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:07:05,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299604132] [2022-11-03 02:07:05,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299604132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:05,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:05,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:07:05,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112395171] [2022-11-03 02:07:05,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:05,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:07:05,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:07:05,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:07:05,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:07:05,822 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:07:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:05,825 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2022-11-03 02:07:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:07:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-11-03 02:07:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:05,826 INFO L225 Difference]: With dead ends: 74 [2022-11-03 02:07:05,826 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:07:05,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:07:05,827 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:05,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time] [2022-11-03 02:07:05,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:07:05,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:07:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-03 02:07:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:07:05,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-11-03 02:07:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:05,829 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:07:05,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:07:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:07:05,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:07:05,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:07:05,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 02:07:06,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:07:06,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:07:08,249 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: false [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2022-11-03 02:07:08,250 INFO L895 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2022-11-03 02:07:08,250 INFO L895 garLoopResultBuilder]: At program point L168-1(lines 159 173) the Hoare annotation is: false [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:07:08,250 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L895 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2022-11-03 02:07:08,251 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2022-11-03 02:07:08,252 INFO L895 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2022-11-03 02:07:08,252 INFO L899 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2022-11-03 02:07:08,252 INFO L895 garLoopResultBuilder]: At program point L221(lines 213 222) the Hoare annotation is: (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) [2022-11-03 02:07:08,252 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2022-11-03 02:07:08,252 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2022-11-03 02:07:08,252 INFO L902 garLoopResultBuilder]: At program point L239(lines 224 240) the Hoare annotation is: true [2022-11-03 02:07:08,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:07:08,253 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2022-11-03 02:07:08,253 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2022-11-03 02:07:08,253 INFO L895 garLoopResultBuilder]: At program point L141-1(lines 123 146) the Hoare annotation is: false [2022-11-03 02:07:08,253 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2022-11-03 02:07:08,253 INFO L895 garLoopResultBuilder]: At program point L109-1(lines 83 210) the Hoare annotation is: (let ((.cse0 (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|)))))) (or (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)))) (or .cse0 (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26| (_ BitVec 32))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26|))) (= currentRoundingMode roundNearestTiesToEven)))) (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) .cse0 (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30| (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34| (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30|))) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|))) (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| .cse1) (bvsgt .cse1 |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|))))))) [2022-11-03 02:07:08,253 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2022-11-03 02:07:08,253 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2022-11-03 02:07:08,254 INFO L899 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2022-11-03 02:07:08,254 INFO L895 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| .cse0) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-03 02:07:08,254 INFO L899 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2022-11-03 02:07:08,254 INFO L895 garLoopResultBuilder]: At program point L209(lines 83 210) the Hoare annotation is: (exists ((|ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)))) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) .cse0) (= |ULTIMATE.start___ieee754_hypotf_#res#1| .cse0)))) [2022-11-03 02:07:08,254 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2022-11-03 02:07:08,254 INFO L895 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L895 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2022-11-03 02:07:08,255 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L895 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 83 210) the Hoare annotation is: (let ((.cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)))) (let ((.cse2 (or (and (= .cse3 .cse0) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26| (_ BitVec 32))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26|))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6| (_ BitVec 32))) (let ((.cse5 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_hypotf_~a~0#1| (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| .cse5)))) (= currentRoundingMode roundNearestTiesToEven)) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27| (_ BitVec 32))) (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27|))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~hb~0#1|)))))))) (or (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) .cse0)) (exists ((|ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)))) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) .cse1) (= |ULTIMATE.start___ieee754_hypotf_~a~0#1| .cse1)))) .cse2) (and (= |ULTIMATE.start___ieee754_hypotf_~x#1| .cse3) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30| (_ BitVec 32)) (currentRoundingMode RoundingMode) (|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34| (_ BitVec 32))) (let ((.cse4 (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30|))) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|))) (= |ULTIMATE.start___ieee754_hypotf_~ha~0#1| .cse4) (bvsgt .cse4 |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34|)))) .cse2)))) [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2022-11-03 02:07:08,256 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L895 garLoopResultBuilder]: At program point L215-2(lines 215 219) the Hoare annotation is: (exists ((|ULTIMATE.start___ieee754_hypotf_~ha~0#1| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|)))) (and (= |ULTIMATE.start_isinf_float_~x#1| .cse0) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) .cse0)))) [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: false [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L902 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: true [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2022-11-03 02:07:08,257 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L902 garLoopResultBuilder]: At program point __ieee754_sqrtfENTRY(lines 16 81) the Hoare annotation is: true [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 16 81) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 16 81) no Hoare annotation was computed. [2022-11-03 02:07:08,258 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-03 02:07:08,258 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L902 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L902 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: true [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2022-11-03 02:07:08,259 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2022-11-03 02:07:08,262 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:07:08,264 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:07:08,284 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,285 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,294 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,299 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,303 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,315 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,319 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,327 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:07:08 BoogieIcfgContainer [2022-11-03 02:07:08,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:07:08,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:07:08,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:07:08,333 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:07:08,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:38" (3/4) ... [2022-11-03 02:07:08,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:07:08,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2022-11-03 02:07:08,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-03 02:07:08,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-03 02:07:08,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:07:08,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:07:08,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0])) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0])) || ((\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26 : bv32 :: hb == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven))) || ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0]))) && (\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30 : bv32, currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34 : bv32 :: (~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[22:0]) && ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30)) && ~bvsgt32(~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30), v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34))) [2022-11-03 02:07:08,383 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:07:08,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:07:08,384 INFO L158 Benchmark]: Toolchain (without parser) took 32518.21ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 49.1MB in the beginning and 65.4MB in the end (delta: -16.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,384 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:07:08,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.71ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 48.2MB in the end (delta: 631.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.95ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 45.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,385 INFO L158 Benchmark]: Boogie Preprocessor took 51.28ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,386 INFO L158 Benchmark]: RCFGBuilder took 1727.51ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.6MB in the end (delta: 5.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,386 INFO L158 Benchmark]: TraceAbstraction took 30195.97ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 68.5MB in the end (delta: -31.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,387 INFO L158 Benchmark]: Witness Printer took 51.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:07:08,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.71ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 48.2MB in the end (delta: 631.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.95ms. Allocated memory is still 69.2MB. Free memory was 48.2MB in the beginning and 45.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.28ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1727.51ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.6MB in the end (delta: 5.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 30195.97ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 68.5MB in the end (delta: -31.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 51.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 236]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 7065 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 738 IncrementalHoareTripleChecker+Unchecked, 5519 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1546 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 377 SyntacticMatches, 17 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=6, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 89 PreInvPairs, 105 NumberOfFragments, 432 HoareAnnotationTreeSize, 89 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 555 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 471 ConstructedInterpolants, 218 QuantifiedInterpolants, 5149 SizeOfPredicates, 132 NumberOfNonLiveVariables, 2086 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \result == 1bv32 - InvariantResult [Line: 83]: Loop Invariant [2022-11-03 02:07:08,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,410 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,411 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0])) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0])) || ((\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26 : bv32 :: hb == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven))) || ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0]))) && (\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30 : bv32, currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34 : bv32 :: (~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[22:0]) && ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30)) && ~bvsgt32(~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30), v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34))) - InvariantResult [Line: 215]: Loop Invariant [2022-11-03 02:07:08,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,414 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start___ieee754_hypotf_~ha~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: x == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0]) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0])) - InvariantResult [Line: 87]: Loop Invariant [2022-11-03 02:07:08,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant [2022-11-03 02:07:08,422 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,425 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start___ieee754_hypotf_~ha~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0]) && \result == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0])) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 83]: Loop Invariant [2022-11-03 02:07:08,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,426 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,430 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,430 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,431 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,432 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,434 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,435 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,439 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0#1,QUANTIFIED] [2022-11-03 02:07:08,440 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,442 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,444 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,444 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,445 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6,QUANTIFIED] [2022-11-03 02:07:08,449 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27,QUANTIFIED] [2022-11-03 02:07:08,449 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 02:07:08,450 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0])) && (\exists ULTIMATE.start___ieee754_hypotf_~ha~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0]) && a == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0#1[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0#1[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0#1[22:0]))) && ((((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0]) && (\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26 : bv32 :: hb == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26))) && (\exists v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6 : bv32 :: a == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][22:0]) && ha == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0]))))) || ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30 : bv32, currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34 : bv32 :: (~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34[22:0]) && ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30)) && ~bvsgt32(~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_30), v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_34))) && ((((~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0]) && (\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26 : bv32 :: hb == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_26))) && (\exists v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6 : bv32 :: a == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32][22:0]) && ha == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1#1.base_6][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((\exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_27)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hb[31:31], hb[30:23], hb[22:0]))))) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant [2022-11-03 02:07:08,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 02:07:08,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:07:08,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3987bc7-ad9b-4ca2-8b68-39e3b26d4980/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE