./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH --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 b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:47:02,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:47:02,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:47:02,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:47:02,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:47:02,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:47:02,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:47:02,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:47:02,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:47:02,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:47:02,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:47:02,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:47:02,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:47:02,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:47:02,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:47:02,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:47:02,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:47:02,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:47:02,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:47:02,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:47:02,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:47:02,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:47:02,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:47:02,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:47:02,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:47:02,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:47:02,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:47:02,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:47:02,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:47:02,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:47:02,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:47:02,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:47:02,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:47:02,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:47:02,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:47:02,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:47:02,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:47:02,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:47:02,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:47:02,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:47:02,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:47:02,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:47:02,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:47:02,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:47:02,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:47:02,380 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:47:02,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:47:02,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:47:02,381 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:47:02,381 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:47:02,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:47:02,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:47:02,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:47:02,382 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:47:02,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:47:02,382 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:47:02,383 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:47:02,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:47:02,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:47:02,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:47:02,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:47:02,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:47:02,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:47:02,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:47:02,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:47:02,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:47:02,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:47:02,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:47:02,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:47:02,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:47:02,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:47:02,388 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2021-11-03 04:47:02,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:47:02,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:47:02,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:47:02,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:47:02,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:47:02,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:02,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/bc76b2e81/b210de3464e24afb9f281f99b3f78a79/FLAG379713b1c [2021-11-03 04:47:03,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:47:03,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:03,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/bc76b2e81/b210de3464e24afb9f281f99b3f78a79/FLAG379713b1c [2021-11-03 04:47:03,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/bc76b2e81/b210de3464e24afb9f281f99b3f78a79 [2021-11-03 04:47:03,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:47:03,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:47:03,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:03,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:47:03,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:47:03,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527d613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03, skipping insertion in model container [2021-11-03 04:47:03,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:47:03,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:47:03,810 WARN L228 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-11-03 04:47:03,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:03,824 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:47:03,849 WARN L228 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-11-03 04:47:03,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:03,876 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:47:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03 WrapperNode [2021-11-03 04:47:03,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:03,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:03,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:47:03,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:47:03,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:03,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:47:03,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:47:03,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:47:03,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:47:03,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:47:03,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:47:03,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:47:03,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (1/1) ... [2021-11-03 04:47:03,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:47:03,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:03,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:47:03,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:47:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:47:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:47:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 04:47:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:47:04,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:47:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-03 04:47:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:47:04,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:47:04,330 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 04:47:04,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:04 BoogieIcfgContainer [2021-11-03 04:47:04,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:47:04,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:47:04,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:47:04,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:47:04,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:47:03" (1/3) ... [2021-11-03 04:47:04,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57397e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:04, skipping insertion in model container [2021-11-03 04:47:04,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:03" (2/3) ... [2021-11-03 04:47:04,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57397e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:04, skipping insertion in model container [2021-11-03 04:47:04,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:04" (3/3) ... [2021-11-03 04:47:04,352 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:04,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:47:04,376 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:47:04,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:47:04,428 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 [2021-11-03 04:47:04,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:47:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 22 states have internal predecessors, (36), 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) [2021-11-03 04:47:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:47:04,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:04,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:04,449 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1054039300, now seen corresponding path program 1 times [2021-11-03 04:47:04,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:04,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347387841] [2021-11-03 04:47:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:04,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:04,669 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:47:04,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347387841] [2021-11-03 04:47:04,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347387841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:04,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:47:04,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 04:47:04,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808327240] [2021-11-03 04:47:04,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:47:04,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:47:04,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:47:04,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:47:04,698 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 22 states have internal predecessors, (36), 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 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:47:04,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:04,787 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-11-03 04:47:04,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:47:04,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 04:47:04,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:04,802 INFO L225 Difference]: With dead ends: 35 [2021-11-03 04:47:04,802 INFO L226 Difference]: Without dead ends: 21 [2021-11-03 04:47:04,805 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:47:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-03 04:47:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-03 04:47:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 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) [2021-11-03 04:47:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-03 04:47:04,835 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 12 [2021-11-03 04:47:04,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:04,835 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-03 04:47:04,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:47:04,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-03 04:47:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:47:04,836 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:04,836 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:04,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:47:04,837 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1037028639, now seen corresponding path program 1 times [2021-11-03 04:47:04,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:04,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299696130] [2021-11-03 04:47:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:04,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:47:04,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:47:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:47:04,918 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 04:47:04,918 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:47:04,920 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:47:04,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:47:04,925 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-03 04:47:04,927 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:47:04,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:47:04 BoogieIcfgContainer [2021-11-03 04:47:04,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:47:04,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:47:04,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:47:04,958 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:47:04,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:04" (3/4) ... [2021-11-03 04:47:04,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 04:47:04,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:47:04,964 INFO L168 Benchmark]: Toolchain (without parser) took 1370.15 ms. Allocated memory is still 96.5 MB. Free memory was 61.9 MB in the beginning and 53.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,965 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 46.4 MB in the beginning and 46.4 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:47:04,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.88 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 71.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.67 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 69.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,967 INFO L168 Benchmark]: Boogie Preprocessor took 28.91 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 67.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,968 INFO L168 Benchmark]: RCFGBuilder took 383.77 ms. Allocated memory is still 96.5 MB. Free memory was 67.9 MB in the beginning and 53.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,968 INFO L168 Benchmark]: TraceAbstraction took 623.79 ms. Allocated memory is still 96.5 MB. Free memory was 52.9 MB in the beginning and 53.7 MB in the end (delta: -800.7 kB). Peak memory consumption was 363.0 kB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,969 INFO L168 Benchmark]: Witness Printer took 4.14 ms. Allocated memory is still 96.5 MB. Free memory was 53.7 MB in the beginning and 53.3 MB in the end (delta: 432.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:47:04,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 46.4 MB in the beginning and 46.4 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.88 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 71.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.67 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 69.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.91 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 67.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 383.77 ms. Allocated memory is still 96.5 MB. Free memory was 67.9 MB in the beginning and 53.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 623.79 ms. Allocated memory is still 96.5 MB. Free memory was 52.9 MB in the beginning and 53.7 MB in the end (delta: -800.7 kB). Peak memory consumption was 363.0 kB. Max. memory is 16.1 GB. * Witness Printer took 4.14 ms. Allocated memory is still 96.5 MB. Free memory was 53.7 MB in the beginning and 53.3 MB in the end (delta: 432.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 34, 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_136; [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_136=0, __return_main=0] [L24] COND TRUE main__t >= (main__min[0]) [L26] EXPR main__max[4UL] VAL [__return_136=0, __return_main=0] [L26] COND TRUE main__t <= (main__max[4UL]) [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_136=0, __return_main=0] [L29] COND TRUE main____CPAchecker_TMP_0 != 0 [L31] main__i = 0 VAL [__return_136=0, __return_main=0] [L32] COND TRUE main__i < 5UL [L34] EXPR main__max[main__i] VAL [__return_136=0, __return_main=0] [L34] 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_136=0, __return_main=0] [L40] COND FALSE !(main__z >= -10.0) VAL [__return_136=0, __return_main=0] [L66] main____CPAchecker_TMP_1 = 0 VAL [__return_136=0, __return_main=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_136=0, __return_main=0] [L51] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_136=0, __return_main=0] [L53] reach_error() VAL [__return_136=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 37 SDslu, 64 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 04:47:05,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH --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 b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:47:07,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:47:07,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:47:07,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:47:07,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:47:07,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:47:07,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:47:07,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:47:07,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:47:07,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:47:07,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:47:07,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:47:07,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:47:07,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:47:07,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:47:07,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:47:07,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:47:07,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:47:07,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:47:07,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:47:07,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:47:07,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:47:07,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:47:07,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:47:07,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:47:07,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:47:07,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:47:07,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:47:07,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:47:07,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:47:07,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:47:07,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:47:07,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:47:07,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:47:07,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:47:07,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:47:07,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:47:07,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:47:07,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:47:07,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:47:07,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:47:07,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:47:07,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:47:07,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:47:07,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:47:07,615 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:47:07,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:47:07,615 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:47:07,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:47:07,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:47:07,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:47:07,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:47:07,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:47:07,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:47:07,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:47:07,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:47:07,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:47:07,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:47:07,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:47:07,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:47:07,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:47:07,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:47:07,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:47:07,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:47:07,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:47:07,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:47:07,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:47:07,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:47:07,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:47:07,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:47:07,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:47:07,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:47:07,623 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:47:07,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:47:07,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:47:07,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:47:07,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:47:07,625 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2021-11-03 04:47:07,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:47:08,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:47:08,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:47:08,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:47:08,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:47:08,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:08,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/9f789f506/4be394e78832486aa447d2a7a50fa440/FLAG394a32911 [2021-11-03 04:47:08,708 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:47:08,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:08,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/9f789f506/4be394e78832486aa447d2a7a50fa440/FLAG394a32911 [2021-11-03 04:47:09,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/data/9f789f506/4be394e78832486aa447d2a7a50fa440 [2021-11-03 04:47:09,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:47:09,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:47:09,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:09,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:47:09,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:47:09,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c581c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09, skipping insertion in model container [2021-11-03 04:47:09,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:47:09,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:47:09,264 WARN L228 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-11-03 04:47:09,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:09,287 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:47:09,316 WARN L228 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_e414cc54-81b7-4fc1-a1a9-bee3211cf781/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-11-03 04:47:09,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:09,350 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:47:09,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09 WrapperNode [2021-11-03 04:47:09,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:09,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:09,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:47:09,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:47:09,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:09,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:47:09,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:47:09,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:47:09,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:47:09,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:47:09,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:47:09,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:47:09,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (1/1) ... [2021-11-03 04:47:09,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:47:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:09,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:47:09,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:47:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-03 04:47:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:47:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:47:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-03 04:47:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:47:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:47:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:47:12,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:47:12,568 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 04:47:12,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:12 BoogieIcfgContainer [2021-11-03 04:47:12,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:47:12,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:47:12,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:47:12,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:47:12,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:47:09" (1/3) ... [2021-11-03 04:47:12,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275b2cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:12, skipping insertion in model container [2021-11-03 04:47:12,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:09" (2/3) ... [2021-11-03 04:47:12,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275b2cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:12, skipping insertion in model container [2021-11-03 04:47:12,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:12" (3/3) ... [2021-11-03 04:47:12,577 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+nlh-reducer.c [2021-11-03 04:47:12,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:47:12,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:47:12,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:47:12,626 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 [2021-11-03 04:47:12,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:47:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 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) [2021-11-03 04:47:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:47:12,652 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:12,653 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:12,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:12,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:12,658 INFO L85 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2021-11-03 04:47:12,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:47:12,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569561047] [2021-11-03 04:47:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:12,672 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:47:12,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:47:12,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:47:12,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:47:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:13,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:13,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:13,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:13,453 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:47:13,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569561047] [2021-11-03 04:47:13,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569561047] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:13,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:47:13,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 04:47:13,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751354682] [2021-11-03 04:47:13,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:47:13,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:47:13,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:47:13,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:47:13,476 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 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 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) [2021-11-03 04:47:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:17,872 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2021-11-03 04:47:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:47:17,875 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 [2021-11-03 04:47:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:17,883 INFO L225 Difference]: With dead ends: 38 [2021-11-03 04:47:17,883 INFO L226 Difference]: Without dead ends: 22 [2021-11-03 04:47:17,885 INFO L786 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 [2021-11-03 04:47:17,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-03 04:47:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-03 04:47:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-11-03 04:47:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-03 04:47:17,914 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 13 [2021-11-03 04:47:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:17,915 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-03 04:47:17,916 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) [2021-11-03 04:47:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-03 04:47:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:47:17,917 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:17,917 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:17,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:47:18,136 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash 792769235, now seen corresponding path program 1 times [2021-11-03 04:47:18,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:47:18,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365748275] [2021-11-03 04:47:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:18,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:47:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:47:18,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:47:18,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:47:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:18,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-03 04:47:18,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:24,730 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-11-03 04:47:24,731 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 [2021-11-03 04:48:58,998 WARN L207 SmtUtils]: Spent 13.65 s on a formula simplification that was a NOOP. DAG size: 57 [2021-11-03 04:50:23,772 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (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_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32)) .cse0) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub roundNearestTiesToEven .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse3) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32)) .cse2) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)) .cse1) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)))) is different from false [2021-11-03 04:50:25,804 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (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_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32)) .cse0) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub roundNearestTiesToEven .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) (fp.leq ULTIMATE.start_main_~main__t~0 .cse3) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32)) .cse2) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)) .cse1) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)))) is different from true [2021-11-03 04:54:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:54:38,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:54:47,528 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 (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse1)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse1)))) (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 [2021-11-03 04:54:49,612 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 (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse1)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse1)))) (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 [2021-11-03 04:55:00,196 WARN L838 $PredicateComparison]: unable to prove that (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem10|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse1)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse1)))) (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 [2021-11-03 04:55:02,277 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem10|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse1)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse1)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.sub c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse1)))) (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 [2021-11-03 04:55:12,850 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .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.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse2)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse2)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from false [2021-11-03 04:55:14,947 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .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.base|) (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse2)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse2)))) (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.base|) (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from true [2021-11-03 04:55:25,526 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) |c_ULTIMATE.start_main_~#main__max~0.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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.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 .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 .cse3)))) is different from false [2021-11-03 04:55:27,619 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) |c_ULTIMATE.start_main_~#main__max~0.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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.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 .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 .cse3)))) is different from true [2021-11-03 04:55:42,491 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) |c_ULTIMATE.start_main_~#main__max~0.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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.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 .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 |c_ULTIMATE.start_main_#t~mem9|)) (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3)))) is different from false [2021-11-03 04:55:44,578 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|) |c_ULTIMATE.start_main_~#main__max~0.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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.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 .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 |c_ULTIMATE.start_main_#t~mem9|)) (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3)))) is different from true [2021-11-03 04:56:03,823 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24))) (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse3 (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (fp.leq ULTIMATE.start_main_~main__t~0 (let ((.cse5 (select .cse6 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (not (fp.geq ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem8|)))))) is different from false [2021-11-03 04:56:05,916 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24))) (let ((.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse3 (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (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.base|) |c_ULTIMATE.start_main_~#main__org~0.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.base|) |c_ULTIMATE.start_main_~#main__min~0.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.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (fp.leq ULTIMATE.start_main_~main__t~0 (let ((.cse5 (select .cse6 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (not (fp.geq ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem8|)))))) is different from true [2021-11-03 04:57:38,308 WARN L207 SmtUtils]: Spent 1.54 m on a formula simplification. DAG size of input: 33 DAG size of output: 11 [2021-11-03 04:57:38,308 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-11-03 04:57:38,309 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 [2021-11-03 04:59:08,875 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))) (not (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))))))) (forall ((v_arrayElimCell_10 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))))) is different from false [2021-11-03 04:59:10,958 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))) (not (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))))))) (forall ((v_arrayElimCell_10 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))))) is different from true [2021-11-03 04:59:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:59:10,959 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:59:10,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365748275] [2021-11-03 04:59:10,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365748275] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:59:10,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:59:10,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2021-11-03 04:59:10,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762512377] [2021-11-03 04:59:10,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 04:59:10,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:59:10,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 04:59:10,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=72, Unknown=23, NotChecked=200, Total=342 [2021-11-03 04:59:10,964 INFO L87 Difference]: Start difference. First operand 22 states and 27 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) [2021-11-03 04:59:13,480 WARN L838 $PredicateComparison]: unable to prove that (and (or (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))) (not (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))))))) (forall ((v_arrayElimCell_10 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 04:59:15,567 WARN L860 $PredicateComparison]: unable to prove that (and (or (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_8 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))) (not (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)) (not (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2)) (not (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32)))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse3)) (not (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))))))) (forall ((v_arrayElimCell_10 (_ BitVec 32))) (not (= (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-03 04:59:17,601 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|)) (.cse3 (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))))) (and (= (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= (let ((.cse1 (select .cse2 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (= (let ((.cse4 (select .cse2 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= .cse3 |c_ULTIMATE.start_main_#t~mem8|) (= (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24))) (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse9 (let ((.cse13 (select .cse12 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (let ((.cse8 (let ((.cse10 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse8)) (fp.sub c_currentRoundingMode .cse9 .cse8))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse9)) (not (fp.leq ULTIMATE.start_main_~main__t~0 (let ((.cse11 (select .cse12 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (not (fp.geq ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem8|)))))))) is different from false [2021-11-03 04:59:19,685 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|)) (.cse3 (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))))) (and (= (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= (let ((.cse1 (select .cse2 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (= (let ((.cse4 (select .cse2 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= .cse3 |c_ULTIMATE.start_main_#t~mem8|) (= (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (forall ((ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24))) (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse9 (let ((.cse13 (select .cse12 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (let ((.cse8 (let ((.cse10 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse8)) (fp.sub c_currentRoundingMode .cse9 .cse8))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.leq ULTIMATE.start_main_~main__t~0 .cse9)) (not (fp.leq ULTIMATE.start_main_~main__t~0 (let ((.cse11 (select .cse12 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (not (fp.geq ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem8|)))))))) is different from true [2021-11-03 04:59:23,160 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse1 (let ((.cse10 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.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__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse2 (let ((.cse8 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)))) (.cse3 (let ((.cse6 (select .cse7 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse1 |c_ULTIMATE.start_main_#t~mem9|) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse2) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .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 |c_ULTIMATE.start_main_#t~mem9|)) (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3))) (= c_currentRoundingMode roundNearestTiesToEven) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))))) is different from true [2021-11-03 04:59:26,050 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse1 (let ((.cse10 (select .cse7 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.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__org~0.base|) |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (.cse3 (let ((.cse8 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|) |c_ULTIMATE.start_main_~#main__min~0.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.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse2 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|) |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse1) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (or (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .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 .cse4))) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse3) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))))) is different from true [2021-11-03 04:59:28,099 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse2 (let ((.cse17 (select .cse12 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|)) (.cse13 (let ((.cse16 (select .cse10 |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|))) (and (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse2) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (let ((.cse5 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (let ((.cse3 (let ((.cse11 (select .cse12 (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse4 (select .cse1 (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse8 (let ((.cse9 (select .cse10 (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse6 (select .cse7 (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse8)) (fp.sub c_currentRoundingMode .cse3 .cse8))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) (= .cse13 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse13) (= (let ((.cse14 (select .cse12 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse15 (select .cse7 |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= c_ULTIMATE.start_main_~main__i~0 (_ bv0 32))))) is different from false [2021-11-03 04:59:30,198 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse2 (let ((.cse17 (select .cse12 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|)) (.cse13 (let ((.cse16 (select .cse10 |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|))) (and (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse2) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (let ((.cse5 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32)))) (let ((.cse3 (let ((.cse11 (select .cse12 (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse4 (select .cse1 (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse8 (let ((.cse9 (select .cse10 (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse6 (select .cse7 (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse5)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse8)) (fp.sub c_currentRoundingMode .cse3 .cse8))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) (= .cse13 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse13) (= (let ((.cse14 (select .cse12 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse15 (select .cse7 |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= c_ULTIMATE.start_main_~main__i~0 (_ bv0 32))))) is different from true [2021-11-03 04:59:32,242 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|)) (.cse6 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32))) (.cse13 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|))) (let ((.cse3 (let ((.cse17 (select .cse13 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|)) (.cse2 (let ((.cse16 (select .cse13 (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse6)))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse4 (let ((.cse15 (select .cse11 |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15)))) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|))) (and (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_#t~mem10| .cse2) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse3) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse4 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (or (not (fp.leq c_ULTIMATE.start_main_~main__t~0 |c_ULTIMATE.start_main_#t~mem10|)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse5 (select .cse1 (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse6)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (let ((.cse9 (let ((.cse10 (select .cse11 (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse6)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse7 (select .cse8 (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse6)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse9)) (fp.sub c_currentRoundingMode .cse2 .cse9))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse4) (= (let ((.cse12 (select .cse13 |c_ULTIMATE.start_main_~#main__max~0.offset|))) (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~#main__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse14 (select .cse8 |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= c_ULTIMATE.start_main_~main__i~0 (_ bv0 32))))) is different from false [2021-11-03 04:59:36,171 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|)) (.cse10 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32))) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|))) (let ((.cse5 (let ((.cse16 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|)) (.cse2 (let ((.cse15 (select .cse4 (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse2) (= (let ((.cse3 (select .cse4 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse5 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse5) (= (let ((.cse6 (select .cse4 |c_ULTIMATE.start_main_~#main__max~0.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__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse7 (select .cse8 |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= c_ULTIMATE.start_main_~main__i~0 (_ bv0 32)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse9 (select .cse1 (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) (let ((.cse12 (let ((.cse13 (select .cse14 (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse11 (select .cse8 (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse12)) (fp.sub c_currentRoundingMode .cse2 .cse12))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from false [2021-11-03 04:59:38,265 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__max~0.base|)) (.cse10 (bvmul c_ULTIMATE.start_main_~main__i~0 (_ bv4 32))) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__min~0.base|))) (let ((.cse5 (let ((.cse16 (select .cse14 |c_ULTIMATE.start_main_~#main__min~0.offset|))) (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)))) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__org~0.base|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#main__slope~0.base|)) (.cse2 (let ((.cse15 (select .cse4 (bvadd |c_ULTIMATE.start_main_~#main__max~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse15) ((_ extract 30 23) .cse15) ((_ extract 22 0) .cse15))))) (and (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#main__org~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= |c_ULTIMATE.start_main_~#main__slope~0.offset| (_ bv0 32)) (fp.leq c_ULTIMATE.start_main_~main__t~0 .cse2) (= (let ((.cse3 (select .cse4 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#main__max~0.offset|)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))) (= |c_ULTIMATE.start_main_~#main__org~0.offset| (_ bv0 32)) (= .cse5 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~#main__min~0.offset| (_ bv0 32)) (fp.geq c_ULTIMATE.start_main_~main__t~0 .cse5) (= (let ((.cse6 (select .cse4 |c_ULTIMATE.start_main_~#main__max~0.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__max~0.offset| (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (let ((.cse7 (select .cse8 |c_ULTIMATE.start_main_~#main__slope~0.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= c_ULTIMATE.start_main_~main__i~0 (_ bv0 32)) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (let ((.cse9 (select .cse1 (bvadd |c_ULTIMATE.start_main_~#main__org~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) (let ((.cse12 (let ((.cse13 (select .cse14 (bvadd |c_ULTIMATE.start_main_~#main__min~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse11 (select .cse8 (bvadd |c_ULTIMATE.start_main_~#main__slope~0.offset| .cse10)))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~main__t~0 .cse12)) (fp.sub c_currentRoundingMode .cse2 .cse12))))) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0)))))) is different from true [2021-11-03 04:59:40,335 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.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_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (and (= c_ULTIMATE.start_main_~main__z~0 (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)) .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2) (fp.leq ULTIMATE.start_main_~main__t~0 .cse3) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)))) (exists ((v_arrayElimCell_5 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_ULTIMATE.start_main_~main__z~0) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 04:59:42,374 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_1 (_ BitVec 32)) (ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.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_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))) (and (= c_ULTIMATE.start_main_~main__z~0 (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2)))) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32)) .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32)) .cse2) (fp.leq ULTIMATE.start_main_~main__t~0 .cse3) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.geq ULTIMATE.start_main_~main__t~0 .cse2)))) (exists ((v_arrayElimCell_5 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_ULTIMATE.start_main_~main__z~0) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-03 04:59:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:59:55,718 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2021-11-03 04:59:55,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:59:55,720 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 [2021-11-03 04:59:55,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:59:55,721 INFO L225 Difference]: With dead ends: 35 [2021-11-03 04:59:55,721 INFO L226 Difference]: Without dead ends: 30 [2021-11-03 04:59:55,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 16 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 105.6s TimeCoverageRelationStatistics Valid=63, Invalid=75, Unknown=36, NotChecked=528, Total=702 [2021-11-03 04:59:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-03 04:59:55,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-03 04:59:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:59:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-03 04:59:55,729 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 13 [2021-11-03 04:59:55,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:59:55,729 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-03 04:59:55,729 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) [2021-11-03 04:59:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-11-03 04:59:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 04:59:55,730 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:59:55,731 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:59:55,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:59:55,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:59:55,931 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:59:55,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:59:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1710804433, now seen corresponding path program 1 times [2021-11-03 04:59:55,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:59:55,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274315075] [2021-11-03 04:59:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:59:55,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:59:55,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:59:55,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:59:55,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e414cc54-81b7-4fc1-a1a9-bee3211cf781/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:59:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:59:56,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-03 04:59:56,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:03,426 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-11-03 05:00:03,427 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 [2021-11-03 05:01:01,321 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_15) ((_ extract 30 23) v_arrayElimCell_15) ((_ extract 22 0) v_arrayElimCell_15)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32)))) (exists ((v_arrayElimCell_14 (_ BitVec 32)) (v_arrayElimCell_13 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32)) (ULTIMATE.start_main_~main__t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_11 (_ BitVec 32))) (let ((.cse2 (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_11) ((_ extract 30 23) v_arrayElimCell_11) ((_ extract 22 0) v_arrayElimCell_11))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_12) ((_ extract 30 23) v_arrayElimCell_12) ((_ extract 22 0) v_arrayElimCell_12))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_13) ((_ extract 30 23) v_arrayElimCell_13) ((_ extract 22 0) v_arrayElimCell_13)))) (and (= (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ULTIMATE.start_main_~main__t~0 .cse2)) (fp.sub c_currentRoundingMode .cse3 .cse2))) c_ULTIMATE.start_main_~main__z~0) (fp.leq ULTIMATE.start_main_~main__t~0 .cse3) (fp.geq ULTIMATE.start_main_~main__t~0 .cse2) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false