./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P --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 a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:19:22,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:19:22,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:19:22,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:19:22,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:19:22,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:19:22,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:19:22,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:19:22,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:19:22,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:19:22,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:19:22,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:19:22,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:19:22,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:19:22,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:19:22,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:19:22,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:19:22,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:19:22,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:19:22,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:19:22,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:19:22,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:19:22,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:19:22,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:19:22,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:19:22,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:19:22,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:19:22,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:19:22,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:19:22,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:19:22,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:19:22,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:19:22,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:19:22,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:19:22,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:19:22,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:19:22,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:19:22,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:19:22,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:19:22,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:19:22,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:19:22,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:19:22,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:19:22,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:19:22,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:19:22,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:19:22,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:19:22,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:19:22,295 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:19:22,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:19:22,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:19:22,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:19:22,297 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:19:22,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:19:22,298 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:19:22,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:19:22,299 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:19:22,299 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:19:22,299 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:19:22,300 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:19:22,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:19:22,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:19:22,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:19:22,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:19:22,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:19:22,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:19:22,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:19:22,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:19:22,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:19:22,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:19:22,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:19:22,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:19:22,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:19:22,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:19:22,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:22,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:19:22,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:19:22,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:19:22,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:19:22,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:19:22,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:19:22,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:19:22,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:19:22,310 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e [2021-11-20 23:19:22,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:19:22,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:19:22,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:19:22,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:19:22,627 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:19:22,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:22,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/0de4209e1/77fe9decc06248b2be8444af9c89d195/FLAGd15a6d0ba [2021-11-20 23:19:23,257 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:19:23,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:23,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/0de4209e1/77fe9decc06248b2be8444af9c89d195/FLAGd15a6d0ba [2021-11-20 23:19:23,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/0de4209e1/77fe9decc06248b2be8444af9c89d195 [2021-11-20 23:19:23,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:19:23,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:19:23,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:23,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:19:23,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:19:23,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:23" (1/1) ... [2021-11-20 23:19:23,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be8097c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:23, skipping insertion in model container [2021-11-20 23:19:23,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:23" (1/1) ... [2021-11-20 23:19:23,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:19:23,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:19:23,922 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2021-11-20 23:19:23,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:23,942 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:19:23,998 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2021-11-20 23:19:24,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:24,018 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:19:24,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24 WrapperNode [2021-11-20 23:19:24,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:24,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:24,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:19:24,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:19:24,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,068 INFO L137 Inliner]: procedures = 18, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 148 [2021-11-20 23:19:24,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:24,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:19:24,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:19:24,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:19:24,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:19:24,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:19:24,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:19:24,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:19:24,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (1/1) ... [2021-11-20 23:19:24,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:24,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:19:24,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:19:24,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:19:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:19:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:19:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:19:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 23:19:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:19:24,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:19:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-20 23:19:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:19:24,341 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:19:24,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:19:24,515 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:19:24,531 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:19:24,531 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:19:24,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:24 BoogieIcfgContainer [2021-11-20 23:19:24,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:19:24,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:19:24,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:19:24,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:19:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:19:23" (1/3) ... [2021-11-20 23:19:24,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e694702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:24, skipping insertion in model container [2021-11-20 23:19:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:24" (2/3) ... [2021-11-20 23:19:24,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e694702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:24, skipping insertion in model container [2021-11-20 23:19:24,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:24" (3/3) ... [2021-11-20 23:19:24,544 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:24,551 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:19:24,551 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:19:24,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:19:24,618 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:19:24,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:19:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2021-11-20 23:19:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:19:24,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:24,644 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:24,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:24,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1392335393, now seen corresponding path program 1 times [2021-11-20 23:19:24,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:24,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135475683] [2021-11-20 23:19:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:24,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:24,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:24,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135475683] [2021-11-20 23:19:24,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135475683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:24,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:24,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:19:24,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394745556] [2021-11-20 23:19:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:24,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:19:24,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:19:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:19:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:19:25,019 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:25,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:25,101 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-11-20 23:19:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:19:25,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 23:19:25,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:25,113 INFO L225 Difference]: With dead ends: 26 [2021-11-20 23:19:25,113 INFO L226 Difference]: Without dead ends: 14 [2021-11-20 23:19:25,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:19:25,122 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:25,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 48 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:19:25,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-20 23:19:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-20 23:19:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 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) [2021-11-20 23:19:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-11-20 23:19:25,161 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2021-11-20 23:19:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:25,162 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-11-20 23:19:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-20 23:19:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:19:25,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:25,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:25,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:19:25,165 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1409346054, now seen corresponding path program 1 times [2021-11-20 23:19:25,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:25,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990288115] [2021-11-20 23:19:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:25,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:25,227 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:19:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990288115] [2021-11-20 23:19:25,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990288115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:25,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:25,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:19:25,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575446763] [2021-11-20 23:19:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:25,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:19:25,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:19:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:19:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:25,233 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:25,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:25,251 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-11-20 23:19:25,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:19:25,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-20 23:19:25,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:25,253 INFO L225 Difference]: With dead ends: 32 [2021-11-20 23:19:25,254 INFO L226 Difference]: Without dead ends: 24 [2021-11-20 23:19:25,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:19:25,256 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:25,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 24 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:19:25,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-20 23:19:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 15. [2021-11-20 23:19:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-11-20 23:19:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-11-20 23:19:25,264 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2021-11-20 23:19:25,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:25,265 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-20 23:19:25,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-20 23:19:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:19:25,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:25,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:25,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:19:25,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:25,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:25,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1916271840, now seen corresponding path program 1 times [2021-11-20 23:19:25,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:19:25,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724124307] [2021-11-20 23:19:25,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:25,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:19:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:19:25,305 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:19:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:19:25,383 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:19:25,384 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:19:25,385 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:19:25,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:19:25,391 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 23:19:25,395 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:19:25,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:19:25 BoogieIcfgContainer [2021-11-20 23:19:25,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:19:25,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:19:25,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:19:25,449 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:19:25,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:24" (3/4) ... [2021-11-20 23:19:25,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:19:25,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:19:25,455 INFO L158 Benchmark]: Toolchain (without parser) took 1829.91ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 60.9MB in the beginning and 101.7MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:25,456 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:25,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.94ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 60.7MB in the beginning and 102.1MB in the end (delta: -41.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:19:25,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.10ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:19:25,470 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 98.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 23:19:25,471 INFO L158 Benchmark]: RCFGBuilder took 430.85ms. Allocated memory is still 127.9MB. Free memory was 98.5MB in the beginning and 86.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:19:25,471 INFO L158 Benchmark]: TraceAbstraction took 910.12ms. Allocated memory is still 127.9MB. Free memory was 85.9MB in the beginning and 101.7MB in the end (delta: -15.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-11-20 23:19:25,472 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 127.9MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:19:25,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.94ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 60.7MB in the beginning and 102.1MB in the end (delta: -41.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.10ms. Allocated memory is still 127.9MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 98.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.85ms. Allocated memory is still 127.9MB. Free memory was 98.5MB in the beginning and 86.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 910.12ms. Allocated memory is still 127.9MB. Free memory was 85.9MB in the beginning and 101.7MB in the end (delta: -15.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 127.9MB. Free memory is still 101.7MB. 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: 53]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L1] int __return_main; [L12] int __return_129; [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] float main__org[5] = { 1, 5, -10, 30, 20 }; [L21] float main__slope[5] = { 4, -15, 40, -10, 0 }; [L22] main__t = __VERIFIER_nondet_float() [L23] int main____CPAchecker_TMP_0; [L24] EXPR main__min[0] VAL [__return_129=0, __return_main=0, main__max={4:0}, main__min={7:0}, main__min[0]=50, main__org={5:0}, main__slope={6:0}] [L24] COND TRUE main__t >= (main__min[0]) [L26] EXPR main__max[4UL] VAL [__return_129=0, __return_main=0, main__max={4:0}, main__max[4UL]=51, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L26] COND TRUE main__t <= (main__max[4UL]) [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L29] COND TRUE main____CPAchecker_TMP_0 != 0 [L31] main__i = 0 VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L33] COND TRUE main__i < 5UL [L35] EXPR main__max[main__i] VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={4:0}, main__max[main__i]=49, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L35] COND TRUE main__t <= (main__max[main__i]) [L38] EXPR main__org[main__i] [L38] EXPR main__slope[main__i] [L38] EXPR main__min[main__i] [L38] EXPR main__max[main__i] [L38] EXPR main__min[main__i] [L38] main__z = (main__org[main__i]) + (((main__slope[main__i]) * (main__t - (main__min[main__i]))) / ((main__max[main__i]) - (main__min[main__i]))) [L39] int main____CPAchecker_TMP_1; VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L40] COND FALSE !(main__z >= -10.0) VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L66] main____CPAchecker_TMP_1 = 0 VAL [__return_129=0, __return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L47] int __tmp_1; [L48] __tmp_1 = main____CPAchecker_TMP_1 [L49] int __VERIFIER_assert__cond; [L50] __VERIFIER_assert__cond = __tmp_1 VAL [__return_129=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L51] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_129=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] [L53] reach_error() VAL [__return_129=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={4:0}, main__min={7:0}, main__org={5:0}, main__slope={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 29 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-11-20 23:19:25,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P --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 a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:19:28,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:19:28,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:19:28,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:19:28,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:19:28,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:19:28,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:19:28,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:19:28,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:19:28,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:19:28,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:19:28,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:19:28,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:19:28,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:19:28,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:19:28,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:19:28,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:19:28,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:19:28,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:19:28,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:19:28,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:19:28,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:19:28,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:19:28,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:19:28,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:19:28,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:19:28,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:19:28,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:19:28,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:19:28,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:19:28,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:19:28,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:19:28,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:19:28,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:19:28,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:19:28,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:19:28,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:19:28,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:19:28,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:19:28,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:19:28,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:19:28,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:19:28,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:19:28,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:19:28,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:19:28,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:19:28,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:19:28,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:19:28,495 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:19:28,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:19:28,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:19:28,496 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:19:28,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:19:28,498 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:19:28,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:19:28,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:19:28,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:19:28,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:19:28,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:19:28,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:19:28,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:19:28,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:19:28,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:19:28,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:19:28,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:19:28,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:19:28,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:19:28,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:19:28,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:19:28,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:19:28,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:28,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:19:28,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:19:28,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:19:28,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:19:28,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:19:28,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:19:28,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:19:28,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:19:28,507 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e [2021-11-20 23:19:28,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:19:28,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:19:28,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:19:28,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:19:28,980 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:19:28,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:29,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/6022d2f2b/f2b2b57bd43645fb83667f07c6b63d50/FLAG0d704e10f [2021-11-20 23:19:29,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:19:29,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:29,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/6022d2f2b/f2b2b57bd43645fb83667f07c6b63d50/FLAG0d704e10f [2021-11-20 23:19:29,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/data/6022d2f2b/f2b2b57bd43645fb83667f07c6b63d50 [2021-11-20 23:19:29,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:19:29,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:19:29,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:29,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:19:29,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:19:29,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:29" (1/1) ... [2021-11-20 23:19:29,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a691b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:29, skipping insertion in model container [2021-11-20 23:19:29,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:19:29" (1/1) ... [2021-11-20 23:19:29,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:19:30,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:19:30,218 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2021-11-20 23:19:30,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:30,258 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:19:30,298 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_28e0bdb3-84a3-488d-aed6-6d44dc405400/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2021-11-20 23:19:30,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:19:30,328 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:19:30,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30 WrapperNode [2021-11-20 23:19:30,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:19:30,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:30,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:19:30,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:19:30,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,428 INFO L137 Inliner]: procedures = 19, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 149 [2021-11-20 23:19:30,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:19:30,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:19:30,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:19:30,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:19:30,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:19:30,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:19:30,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:19:30,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:19:30,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (1/1) ... [2021-11-20 23:19:30,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:19:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:19:30,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:19:30,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:19:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:19:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-20 23:19:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:19:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:19:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-20 23:19:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:19:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:19:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:19:30,773 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:19:30,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:19:33,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:19:33,690 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:19:33,690 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:19:33,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:33 BoogieIcfgContainer [2021-11-20 23:19:33,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:19:33,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:19:33,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:19:33,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:19:33,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:19:29" (1/3) ... [2021-11-20 23:19:33,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c41ef9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:33, skipping insertion in model container [2021-11-20 23:19:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:19:30" (2/3) ... [2021-11-20 23:19:33,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c41ef9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:19:33, skipping insertion in model container [2021-11-20 23:19:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:19:33" (3/3) ... [2021-11-20 23:19:33,703 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+cfa-reducer.c [2021-11-20 23:19:33,709 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:19:33,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:19:33,767 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:19:33,776 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:19:33,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:19:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-20 23:19:33,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:33,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:33,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:33,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1718991182, now seen corresponding path program 1 times [2021-11-20 23:19:33,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:19:33,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704451101] [2021-11-20 23:19:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:33,853 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:19:33,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:19:33,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:19:33,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:19:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:34,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:19:34,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:19:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:34,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:19:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:34,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:19:34,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704451101] [2021-11-20 23:19:34,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704451101] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:34,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:34,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 23:19:34,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468771191] [2021-11-20 23:19:34,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:34,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:19:34,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:19:34,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:19:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:19:34,695 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:37,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:37,116 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-11-20 23:19:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:19:37,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-20 23:19:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:37,128 INFO L225 Difference]: With dead ends: 34 [2021-11-20 23:19:37,128 INFO L226 Difference]: Without dead ends: 20 [2021-11-20 23:19:37,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:19:37,135 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:37,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 56 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:19:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-20 23:19:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-20 23:19:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-11-20 23:19:37,169 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2021-11-20 23:19:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:37,169 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-20 23:19:37,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:19:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-20 23:19:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:19:37,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:37,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:37,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:19:37,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:19:37,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:37,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:37,374 INFO L85 PathProgramCache]: Analyzing trace with hash -859311250, now seen corresponding path program 1 times [2021-11-20 23:19:37,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:19:37,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83351442] [2021-11-20 23:19:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:37,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:19:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:19:37,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:19:37,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:19:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:37,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:19:37,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:19:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:37,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:19:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:19:38,024 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:19:38,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83351442] [2021-11-20 23:19:38,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83351442] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:19:38,025 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:19:38,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 23:19:38,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713004031] [2021-11-20 23:19:38,026 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:19:38,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:19:38,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:19:38,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:19:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:19:38,029 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2021-11-20 23:19:40,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:42,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:19:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:19:42,417 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-11-20 23:19:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:19:42,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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 13 [2021-11-20 23:19:42,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:19:42,420 INFO L225 Difference]: With dead ends: 22 [2021-11-20 23:19:42,420 INFO L226 Difference]: Without dead ends: 18 [2021-11-20 23:19:42,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:19:42,422 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:19:42,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 58 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 23:19:42,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-20 23:19:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-20 23:19:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 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) [2021-11-20 23:19:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-11-20 23:19:42,430 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2021-11-20 23:19:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:19:42,430 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-20 23:19:42,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2021-11-20 23:19:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-20 23:19:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:19:42,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:19:42,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:19:42,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:19:42,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:19:42,633 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:19:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:19:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash -842300589, now seen corresponding path program 1 times [2021-11-20 23:19:42,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:19:42,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819998318] [2021-11-20 23:19:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:19:42,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:19:42,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:19:42,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:19:42,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:19:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:19:43,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 23:19:43,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:19:48,875 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-11-20 23:19:48,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 266 treesize of output 146 [2021-11-20 23:20:46,354 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse0 .cse3)))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))))) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 23:22:17,995 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32)) .cse0) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse3 .cse0)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32)) .cse3) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)))))) is different from false [2021-11-20 23:22:20,027 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32)) .cse0) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse3 .cse0)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32)) .cse3) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)))))) is different from true [2021-11-20 23:26:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:26:28,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:26:35,675 WARN L838 $PredicateComparison]: unable to prove that (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) .cse3)))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) is different from false [2021-11-20 23:26:37,767 WARN L860 $PredicateComparison]: unable to prove that (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) .cse3)))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) is different from true [2021-11-20 23:26:48,361 WARN L838 $PredicateComparison]: unable to prove that (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem7#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) .cse3)))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) is different from false [2021-11-20 23:26:50,452 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem7#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) .cse3)))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) is different from true [2021-11-20 23:27:01,062 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from false [2021-11-20 23:27:03,158 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) (bvadd .cse2 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from true [2021-11-20 23:27:13,756 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from false [2021-11-20 23:27:15,845 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from true [2021-11-20 23:27:30,717 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem6#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from false [2021-11-20 23:27:32,807 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|) |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem6#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from true [2021-11-20 23:27:52,179 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse5 (let ((.cse7 (select .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (or (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| (let ((.cse0 (select .cse1 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse5 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse5)) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem5#1|)))))) is different from false [2021-11-20 23:27:54,283 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse5 (let ((.cse7 (select .cse1 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (or (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| (let ((.cse0 (select .cse1 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse5 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse5)) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem5#1|)))))) is different from true [2021-11-20 23:29:26,678 WARN L227 SmtUtils]: Spent 1.54m on a formula simplification. DAG size of input: 33 DAG size of output: 11 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:29:26,679 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-11-20 23:29:26,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 300 treesize of output 162 [2021-11-20 23:31:03,526 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_9 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) (forall ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (or (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse0)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse1)) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub c_currentRoundingMode .cse2 .cse0)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))))))) is different from false [2021-11-20 23:31:05,606 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_arrayElimCell_9 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) (forall ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (or (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse0)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse1)) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub c_currentRoundingMode .cse2 .cse0)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))))))) is different from true [2021-11-20 23:31:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:31:05,607 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:31:05,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819998318] [2021-11-20 23:31:05,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819998318] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:31:05,608 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:31:05,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2021-11-20 23:31:05,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178234389] [2021-11-20 23:31:05,609 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:31:05,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 23:31:05,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:31:05,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 23:31:05,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=63, Unknown=17, NotChecked=216, Total=342 [2021-11-20 23:31:05,612 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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) [2021-11-20 23:31:07,783 WARN L838 $PredicateComparison]: unable to prove that (and (or (forall ((v_arrayElimCell_9 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) (forall ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (or (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse0)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse1)) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub c_currentRoundingMode .cse2 .cse0)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 23:31:09,862 WARN L860 $PredicateComparison]: unable to prove that (and (or (forall ((v_arrayElimCell_9 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) (forall ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (or (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse0)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse1)) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub c_currentRoundingMode .cse2 .cse0)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-20 23:31:11,897 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse12 (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14)))) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (forall ((|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse6 (let ((.cse8 (select .cse2 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (or (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| (let ((.cse1 (select .cse2 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse5)) (fp.sub c_currentRoundingMode .cse6 .cse5))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse6)) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem5#1|)))))) (= (let ((.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= (let ((.cse10 (select .cse11 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse12) (= |c_ULTIMATE.start_main_#t~mem5#1| .cse12) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse13 (select .cse11 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-20 23:31:13,979 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse12 (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14)))) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (forall ((|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24))) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse6 (let ((.cse8 (select .cse2 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (or (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| (let ((.cse1 (select .cse2 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (let ((.cse5 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse5)) (fp.sub c_currentRoundingMode .cse6 .cse5))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse6)) (not (fp.geq |ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem5#1|)))))) (= (let ((.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= (let ((.cse10 (select .cse11 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse12) (= |c_ULTIMATE.start_main_#t~mem5#1| .cse12) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse13 (select .cse11 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-20 23:31:17,905 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse1 (let ((.cse10 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10)))) (.cse0 (let ((.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse2 (let ((.cse8 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (.cse4 (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse0) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem6#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse4 .cse3)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (= |c_ULTIMATE.start_main_#t~mem6#1| .cse2) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from true [2021-11-20 23:31:19,946 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse2 (let ((.cse10 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10)))) (.cse1 (let ((.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse0 (let ((.cse8 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (.cse4 (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse0) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse2) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse4 .cse3)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4))) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from false [2021-11-20 23:31:22,034 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse2 (let ((.cse10 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10)))) (.cse1 (let ((.cse9 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|) |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse0 (let ((.cse8 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|) |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (.cse4 (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|) |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) .cse0) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse2) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse4 .cse3)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4))) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse3)))) is different from true [2021-11-20 23:31:24,958 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse4 (let ((.cse17 (select .cse14 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|)) (.cse5 (let ((.cse16 (select .cse12 |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (let ((.cse2 (select .cse3 |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse5) (= |c_ULTIMATE.start_main_~main__i~0#1| (_ bv0 32)) (let ((.cse8 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (let ((.cse6 (let ((.cse13 (select .cse14 (bvadd .cse8 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse6)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse7 (select .cse3 (bvadd .cse8 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) (let ((.cse10 (let ((.cse11 (select .cse12 (bvadd .cse8 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse9 (select .cse1 (bvadd .cse8 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse10)) (fp.sub c_currentRoundingMode .cse6 .cse10))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse5)))) is different from true [2021-11-20 23:31:27,001 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|)) (.cse9 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse4 (let ((.cse17 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|)) (.cse12 (let ((.cse16 (select .cse7 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse5 (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (let ((.cse2 (select .cse3 |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse5) (= |c_ULTIMATE.start_main_~main__i~0#1| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem7#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse8 (select .cse3 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (let ((.cse11 (let ((.cse13 (select .cse14 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse10 (select .cse1 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse11)) (fp.sub c_currentRoundingMode .cse12 .cse11))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= |c_ULTIMATE.start_main_#t~mem7#1| .cse12) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse5)))) is different from false [2021-11-20 23:31:29,093 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|)) (.cse9 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|))) (let ((.cse4 (let ((.cse17 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse3 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|)) (.cse12 (let ((.cse16 (select .cse7 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse5 (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (let ((.cse2 (select .cse3 |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse5) (= |c_ULTIMATE.start_main_~main__i~0#1| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (or (not (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| |c_ULTIMATE.start_main_#t~mem7#1|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse8 (select .cse3 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) (let ((.cse11 (let ((.cse13 (select .cse14 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse10 (select .cse1 (bvadd .cse9 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse11)) (fp.sub c_currentRoundingMode .cse12 .cse11))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= |c_ULTIMATE.start_main_#t~mem7#1| .cse12) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse5)))) is different from true [2021-11-20 23:31:31,162 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|)) (.cse10 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|)) (.cse0 (let ((.cse16 (select .cse6 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse7 (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse0) (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (let ((.cse3 (select .cse4 |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= (let ((.cse5 (select .cse6 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse7) (= |c_ULTIMATE.start_main_~main__i~0#1| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse8 (select .cse6 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse9 (select .cse4 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) (let ((.cse12 (let ((.cse13 (select .cse14 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse11 (select .cse2 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse12)) (fp.sub c_currentRoundingMode .cse0 .cse12))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse7)))) is different from false [2021-11-20 23:31:33,254 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0#1.base|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0#1.base|)) (.cse10 (bvmul |c_ULTIMATE.start_main_~main__i~0#1| (_ bv4 32)))) (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0#1.base|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0#1.base|)) (.cse0 (let ((.cse16 (select .cse6 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse7 (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0#1.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (fp.leq |c_ULTIMATE.start_main_~main__t~0#1| .cse0) (= |c_ULTIMATE.start_main_~#main__org~0#1.offset| (_ bv0 32)) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (let ((.cse3 (select .cse4 |c_ULTIMATE.start_main_~#main__org~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= (let ((.cse5 (select .cse6 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0#1.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse7) (= |c_ULTIMATE.start_main_~main__i~0#1| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__max~0#1.offset| (_ bv0 32)) (= (let ((.cse8 (select .cse6 |c_ULTIMATE.start_main_~#main__max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__min~0#1.offset| (_ bv0 32)) (= |c_ULTIMATE.start_main_~#main__slope~0#1.offset| (_ bv0 32)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse9 (select .cse4 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__org~0#1.offset|)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) (let ((.cse12 (let ((.cse13 (select .cse14 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__min~0#1.offset|)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse11 (select .cse2 (bvadd .cse10 |c_ULTIMATE.start_main_~#main__slope~0#1.offset|)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~main__t~0#1| .cse12)) (fp.sub c_currentRoundingMode .cse0 .cse12))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq |c_ULTIMATE.start_main_~main__t~0#1| .cse7)))) is different from true [2021-11-20 23:31:35,316 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__z~0#1|) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse0 .cse3)))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))))) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 23:31:37,350 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__z~0#1|) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse1 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse3)) (fp.sub c_currentRoundingMode .cse0 .cse3)))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse3) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)))))) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-20 23:31:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:31:37,656 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2021-11-20 23:31:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:31:37,662 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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 13 [2021-11-20 23:31:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:31:37,663 INFO L225 Difference]: With dead ends: 25 [2021-11-20 23:31:37,663 INFO L226 Difference]: Without dead ends: 20 [2021-11-20 23:31:37,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 17 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 69.5s TimeCoverageRelationStatistics Valid=62, Invalid=65, Unknown=31, NotChecked=544, Total=702 [2021-11-20 23:31:37,665 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:31:37,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 75 Unchecked, 0.4s Time] [2021-11-20 23:31:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-20 23:31:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-20 23:31:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2021-11-20 23:31:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-20 23:31:37,672 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 13 [2021-11-20 23:31:37,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:31:37,672 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 23:31:37,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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) [2021-11-20 23:31:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-20 23:31:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-20 23:31:37,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:31:37,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:31:37,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:31:37,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:31:37,874 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:31:37,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:31:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash -858361424, now seen corresponding path program 1 times [2021-11-20 23:31:37,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:31:37,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340369286] [2021-11-20 23:31:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:31:37,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:31:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:31:37,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:31:37,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e0bdb3-84a3-488d-aed6-6d44dc405400/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:31:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:31:38,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 23:31:38,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:31:46,482 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-11-20 23:31:46,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 266 treesize of output 146 [2021-11-20 23:32:48,769 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_14 (_ BitVec 32)) (v_arrayElimCell_15 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_11) ((_ extract 30 23) v_arrayElimCell_11) ((_ extract 22 0) v_arrayElimCell_11))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_14) ((_ extract 30 23) v_arrayElimCell_14) ((_ extract 22 0) v_arrayElimCell_14))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_15) ((_ extract 30 23) v_arrayElimCell_15) ((_ extract 22 0) v_arrayElimCell_15))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_12) ((_ extract 30 23) v_arrayElimCell_12) ((_ extract 22 0) v_arrayElimCell_12)))) (and (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse3 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse2)) (fp.sub c_currentRoundingMode .cse0 .cse2)))) (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse2)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_arrayElimCell_13 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_13) ((_ extract 30 23) v_arrayElimCell_13) ((_ extract 22 0) v_arrayElimCell_13)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) is different from false