./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V --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 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:28:02,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:28:02,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:28:02,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:28:02,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:28:02,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:28:02,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:28:02,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:28:02,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:28:02,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:28:02,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:28:02,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:28:02,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:28:02,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:28:02,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:28:02,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:28:02,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:28:02,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:28:02,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:28:02,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:28:02,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:28:02,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:28:02,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:28:02,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:28:02,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:28:02,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:28:02,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:28:02,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:28:02,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:28:02,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:28:02,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:28:02,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:28:02,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:28:02,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:28:02,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:28:02,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:28:02,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:28:02,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:28:02,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:28:02,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:28:02,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:28:02,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:28:02,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:28:02,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:28:02,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:28:02,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:28:02,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:28:02,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:28:02,250 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:28:02,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:28:02,251 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:28:02,251 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:28:02,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:28:02,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:28:02,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:28:02,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:28:02,253 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:28:02,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:28:02,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:28:02,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:28:02,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:28:02,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:28:02,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:28:02,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:28:02,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:28:02,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:28:02,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:28:02,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:28:02,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:28:02,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:28:02,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:28:02,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:28:02,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:28:02,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:28:02,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:02,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:28:02,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:28:02,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:28:02,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:28:02,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:28:02,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:28:02,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:28:02,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:28:02,269 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_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 [2021-11-23 02:28:02,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:28:02,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:28:02,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:28:02,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:28:02,678 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:28:02,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-benchs/interpolation2.c [2021-11-23 02:28:02,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/fdf227514/8aff54e5ca15424b8d61ef9d05c58074/FLAG753f3a34e [2021-11-23 02:28:03,330 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:28:03,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c [2021-11-23 02:28:03,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/fdf227514/8aff54e5ca15424b8d61ef9d05c58074/FLAG753f3a34e [2021-11-23 02:28:03,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/fdf227514/8aff54e5ca15424b8d61ef9d05c58074 [2021-11-23 02:28:03,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:28:03,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:28:03,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:03,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:28:03,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:28:03,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:03" (1/1) ... [2021-11-23 02:28:03,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67521244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:03, skipping insertion in model container [2021-11-23 02:28:03,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:03" (1/1) ... [2021-11-23 02:28:03,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:28:03,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:03,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2021-11-23 02:28:04,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:04,056 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:04,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2021-11-23 02:28:04,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:04,149 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:04,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04 WrapperNode [2021-11-23 02:28:04,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:04,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:04,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:04,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:04,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,226 INFO L137 Inliner]: procedures = 18, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2021-11-23 02:28:04,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:04,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:04,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:04,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:04,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:04,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:04,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:04,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:04,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (1/1) ... [2021-11-23 02:28:04,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:04,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:04,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 02:28:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-23 02:28:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:28:04,487 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:04,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:04,677 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:04,736 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:04,736 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:28:04,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:04 BoogieIcfgContainer [2021-11-23 02:28:04,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:04,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:04,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:04,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:04,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:03" (1/3) ... [2021-11-23 02:28:04,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38993b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:04, skipping insertion in model container [2021-11-23 02:28:04,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:04" (2/3) ... [2021-11-23 02:28:04,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38993b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:04, skipping insertion in model container [2021-11-23 02:28:04,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:04" (3/3) ... [2021-11-23 02:28:04,759 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c [2021-11-23 02:28:04,769 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:04,769 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:28:04,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:04,842 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 [2021-11-23 02:28:04,843 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:28:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:28:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 02:28:04,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:04,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 02:28:04,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 85773351, now seen corresponding path program 1 times [2021-11-23 02:28:04,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:04,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440531455] [2021-11-23 02:28:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:04,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:05,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:05,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440531455] [2021-11-23 02:28:05,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440531455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:05,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:05,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:28:05,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764159095] [2021-11-23 02:28:05,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:05,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:05,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:05,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:05,367 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-23 02:28:05,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:05,429 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2021-11-23 02:28:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:05,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-11-23 02:28:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:05,443 INFO L225 Difference]: With dead ends: 23 [2021-11-23 02:28:05,443 INFO L226 Difference]: Without dead ends: 13 [2021-11-23 02:28:05,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:05,452 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:05,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:05,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-23 02:28:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. [2021-11-23 02:28:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:28:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-23 02:28:05,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2021-11-23 02:28:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:05,494 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-23 02:28:05,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-23 02:28:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-23 02:28:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 02:28:05,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:05,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-23 02:28:05,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:28:05,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:05,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1666710841, now seen corresponding path program 1 times [2021-11-23 02:28:05,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:05,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633329847] [2021-11-23 02:28:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:05,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:28:05,547 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:28:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:28:05,620 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:28:05,620 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:28:05,623 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:28:05,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:28:05,631 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:28:05,649 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:28:05,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:28:05 BoogieIcfgContainer [2021-11-23 02:28:05,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:28:05,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:28:05,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:28:05,682 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:28:05,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:04" (3/4) ... [2021-11-23 02:28:05,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:28:05,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:28:05,687 INFO L158 Benchmark]: Toolchain (without parser) took 1996.78ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.0MB in the beginning and 64.7MB in the end (delta: -13.6MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 02:28:05,688 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:28:05,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.42ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 81.5MB in the end (delta: -30.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 02:28:05,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.86ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:28:05,692 INFO L158 Benchmark]: Boogie Preprocessor took 75.60ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:28:05,693 INFO L158 Benchmark]: RCFGBuilder took 432.34ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 64.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:28:05,694 INFO L158 Benchmark]: TraceAbstraction took 938.74ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 65.1MB in the end (delta: -904.7kB). Peak memory consumption was 217.1kB. Max. memory is 16.1GB. [2021-11-23 02:28:05,695 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 64.7MB in the end (delta: 441.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:28:05,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.42ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 81.5MB in the end (delta: -30.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.86ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.60ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 78.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.34ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 64.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 938.74ms. Allocated memory is still 107.0MB. Free memory was 64.2MB in the beginning and 65.1MB in the end (delta: -904.7kB). Peak memory consumption was 217.1kB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 64.7MB in the end (delta: 441.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 9]: 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 28, overapproximation of to_real at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 26. Possible FailurePath: [L13] int i; [L14] float z, t; [L15] float min[] = { 5, 10, 12, 30, 150 }; [L16] float max[] = { 10, 12, 30, 150, 300 }; [L17] float org[] = { 1, 5, -10, 30, 20 }; [L18] float slope[] = { 4, -15, 40, -10, 0 }; [L20] t = __VERIFIER_nondet_float() [L21] EXPR min[0] [L21] EXPR t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L21] EXPR max[sizeof(max) / sizeof(max[0]) - 1] [L21] EXPR t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L21] CALL assume_abort_if_not(t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1]) [L7] COND FALSE !(!cond) [L21] RET assume_abort_if_not(t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1]) [L23] i = 0 VAL [i=0, max={6:0}, min={4:0}, org={5:0}, slope={7:0}] [L23] COND TRUE i < sizeof(min) / sizeof(min[0]) [L24] EXPR max[i] VAL [i=0, max={6:0}, max[i]=49, min={4:0}, org={5:0}, slope={7:0}] [L24] COND TRUE t <= max[i] [L26] EXPR org[i] [L26] EXPR slope[i] [L26] EXPR min[i] [L26] EXPR max[i] [L26] EXPR min[i] [L26] z = org[i] + slope[i] * (t - min[i]) / (max[i] - min[i]) [L28] CALL __VERIFIER_assert(z >= -10.f && z <= 30.f) [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L9] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2021-11-23 02:28:05,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/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_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V --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 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:28:08,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:28:08,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:28:08,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:28:08,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:28:08,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:28:08,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:28:08,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:28:08,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:28:08,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:28:08,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:28:08,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:28:08,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:28:08,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:28:08,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:28:08,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:28:08,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:28:08,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:28:08,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:28:08,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:28:08,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:28:08,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:28:08,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:28:08,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:28:08,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:28:08,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:28:08,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:28:08,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:28:08,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:28:08,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:28:08,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:28:08,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:28:08,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:28:08,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:28:08,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:28:08,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:28:08,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:28:08,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:28:08,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:28:08,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:28:08,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:28:08,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:28:08,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:28:08,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:28:08,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:28:08,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:28:08,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:28:08,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:28:08,691 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:28:08,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:28:08,692 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:28:08,692 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:28:08,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:28:08,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:28:08,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:28:08,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:28:08,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:28:08,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:28:08,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:28:08,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:28:08,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:28:08,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:28:08,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:28:08,699 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:28:08,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:28:08,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:28:08,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:28:08,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:28:08,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:28:08,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:28:08,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:28:08,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:08,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:28:08,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:28:08,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:28:08,703 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:28:08,703 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:28:08,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:28:08,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:28:08,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:28:08,705 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_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 [2021-11-23 02:28:09,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:28:09,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:28:09,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:28:09,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:28:09,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:28:09,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-benchs/interpolation2.c [2021-11-23 02:28:09,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/866c65601/a3eccdb774bd4dfea1523f7d1b8a9b22/FLAGbdec41510 [2021-11-23 02:28:09,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:28:09,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c [2021-11-23 02:28:09,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/866c65601/a3eccdb774bd4dfea1523f7d1b8a9b22/FLAGbdec41510 [2021-11-23 02:28:10,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/data/866c65601/a3eccdb774bd4dfea1523f7d1b8a9b22 [2021-11-23 02:28:10,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:28:10,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:28:10,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:10,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:28:10,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:28:10,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f1d019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10, skipping insertion in model container [2021-11-23 02:28:10,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:28:10,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:10,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2021-11-23 02:28:10,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:10,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:10,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2021-11-23 02:28:10,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:10,683 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:10,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10 WrapperNode [2021-11-23 02:28:10,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:10,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:10,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:10,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:10,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,744 INFO L137 Inliner]: procedures = 19, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2021-11-23 02:28:10,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:10,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:10,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:10,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:10,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:10,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:10,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:10,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:10,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (1/1) ... [2021-11-23 02:28:10,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:10,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:10,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-23 02:28:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:28:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:28:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 02:28:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:28:11,032 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:11,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:13,530 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:13,540 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:13,540 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:28:13,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:13 BoogieIcfgContainer [2021-11-23 02:28:13,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:13,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:13,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:13,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:13,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:10" (1/3) ... [2021-11-23 02:28:13,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28727fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:13, skipping insertion in model container [2021-11-23 02:28:13,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:10" (2/3) ... [2021-11-23 02:28:13,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28727fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:13, skipping insertion in model container [2021-11-23 02:28:13,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:13" (3/3) ... [2021-11-23 02:28:13,554 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c [2021-11-23 02:28:13,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:13,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:28:13,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:13,659 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 [2021-11-23 02:28:13,659 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:28:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:28:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:28:13,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:13,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:13,686 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:13,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:13,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1235833265, now seen corresponding path program 1 times [2021-11-23 02:28:13,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:28:13,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543963570] [2021-11-23 02:28:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:13,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:28:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:28:13,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:28:13,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:28:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:14,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:28:14,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:28:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:14,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:28:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:14,449 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:28:14,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543963570] [2021-11-23 02:28:14,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543963570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:14,451 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:14,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:28:14,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110671148] [2021-11-23 02:28:14,455 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:14,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:28:14,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:28:14,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:28:14,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:28:14,500 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-23 02:28:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:14,519 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-11-23 02:28:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:28:14,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-11-23 02:28:14,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:14,533 INFO L225 Difference]: With dead ends: 29 [2021-11-23 02:28:14,533 INFO L226 Difference]: Without dead ends: 13 [2021-11-23 02:28:14,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:28:14,542 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:14,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-23 02:28:14,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-23 02:28:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-11-23 02:28:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-23 02:28:14,584 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-23 02:28:14,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:14,585 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-23 02:28:14,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-23 02:28:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-23 02:28:14,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:28:14,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:14,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:14,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:28:14,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:28:14,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1178902664, now seen corresponding path program 1 times [2021-11-23 02:28:14,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:28:14,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154055899] [2021-11-23 02:28:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:14,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:28:14,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:28:14,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:28:14,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:28:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:15,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:28:15,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:28:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:28:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,497 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:28:15,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154055899] [2021-11-23 02:28:15,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154055899] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:15,498 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:15,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 02:28:15,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353685428] [2021-11-23 02:28:15,499 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:15,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:28:15,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:28:15,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:28:15,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:28:15,503 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-23 02:28:17,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:17,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:17,959 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2021-11-23 02:28:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:28:17,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 10 [2021-11-23 02:28:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:17,961 INFO L225 Difference]: With dead ends: 23 [2021-11-23 02:28:17,962 INFO L226 Difference]: Without dead ends: 19 [2021-11-23 02:28:17,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:28:17,965 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:17,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-23 02:28:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-23 02:28:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2021-11-23 02:28:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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) [2021-11-23 02:28:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-23 02:28:17,973 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2021-11-23 02:28:17,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:17,974 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-23 02:28:17,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-23 02:28:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-23 02:28:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:28:17,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:17,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:18,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:28:18,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:28:18,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:18,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:18,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2110328889, now seen corresponding path program 1 times [2021-11-23 02:28:18,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:28:18,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062959659] [2021-11-23 02:28:18,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:18,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:28:18,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:28:18,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:28:18,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78213cbd-3ad8-487d-ba8d-8465746c5147/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:28:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:19,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 02:28:19,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:28:25,639 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-11-23 02:28:25,645 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 612 treesize of output 312 [2021-11-23 02:35:10,783 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (|ULTIMATE.start_main_~t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (let ((.cse0 (fp.leq (fp.add roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~t~0#1| .cse3)) (fp.sub roundNearestTiesToEven .cse4 .cse3))) ((_ to_fp 8 24) roundNearestTiesToEven 30.0)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (not .cse0)) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse0))) (fp.leq |ULTIMATE.start_main_~t~0#1| .cse4) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~t~0#1| .cse3) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32)) .cse4) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)) .cse2)))) is different from true [2021-11-23 02:36:33,005 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (|ULTIMATE.start_main_~t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~t~0#1| .cse2)) (fp.sub roundNearestTiesToEven .cse3 .cse2))) ((_ to_fp 8 24) roundNearestTiesToEven 30.0))) (fp.leq |ULTIMATE.start_main_~t~0#1| .cse3) (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~t~0#1| .cse2) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32)) .cse3) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)) .cse1)))) is different from false [2021-11-23 02:36:35,037 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (|ULTIMATE.start_main_~t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_5) ((_ extract 30 23) v_arrayElimCell_5) ((_ extract 22 0) v_arrayElimCell_5))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~t~0#1| .cse2)) (fp.sub roundNearestTiesToEven .cse3 .cse2))) ((_ to_fp 8 24) roundNearestTiesToEven 30.0))) (fp.leq |ULTIMATE.start_main_~t~0#1| .cse3) (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~t~0#1| .cse2) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32)) .cse3) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32)) .cse1)))) is different from true [2021-11-23 02:36:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:35,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:36:45,947 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) .cse4))))))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))) is different from false [2021-11-23 02:36:48,042 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) .cse4))))))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))) is different from true [2021-11-23 02:37:03,223 WARN L838 $PredicateComparison]: unable to prove that (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| |c_ULTIMATE.start_main_#t~mem9#1|)) (let ((.cse0 (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) .cse4))))))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))) is different from false [2021-11-23 02:37:05,322 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| |c_ULTIMATE.start_main_#t~mem9#1|)) (let ((.cse0 (let ((.cse2 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (fp.add c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse4 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse2)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) .cse4))))))) (and (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))) is different from true [2021-11-23 02:37:20,523 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (let ((.cse0 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse5 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse5)) (fp.sub c_currentRoundingMode .cse0 .cse5)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))))) is different from false [2021-11-23 02:37:22,624 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (let ((.cse0 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#max~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#org~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse5 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#min~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) (bvadd |c_ULTIMATE.start_main_~#slope~0#1.offset| .cse3)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse5)) (fp.sub c_currentRoundingMode .cse0 .cse5)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))))) is different from true [2021-11-23 02:37:37,776 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from false [2021-11-23 02:37:39,873 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from true [2021-11-23 02:37:59,461 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from false [2021-11-23 02:38:01,558 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from true [2021-11-23 02:38:21,019 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (not |c_ULTIMATE.start_main_#t~short7#1|) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from false [2021-11-23 02:38:23,117 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse6 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|) |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse0)) (not |c_ULTIMATE.start_main_#t~short7#1|) (let ((.cse1 (fp.add c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse4)) (fp.sub c_currentRoundingMode .cse0 .cse4)))))) (and (fp.leq .cse1 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse1 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0))))))) is different from true [2021-11-23 02:38:46,991 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|))) (let ((.cse2 (let ((.cse8 (select .cse1 |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| (let ((.cse0 (select .cse1 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#max~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse2)) (not |c_ULTIMATE.start_main_#t~short7#1|) (let ((.cse3 (fp.add c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse6 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse6)) (fp.sub c_currentRoundingMode .cse2 .cse6)))))) (and (fp.leq .cse3 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse3 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))))) is different from false [2021-11-23 02:38:49,092 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#max~0#1.base|))) (let ((.cse2 (let ((.cse8 (select .cse1 |c_ULTIMATE.start_main_~#max~0#1.offset|))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (or (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| (let ((.cse0 (select .cse1 (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~#max~0#1.offset|)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (fp.leq |c_ULTIMATE.start_main_~t~0#1| .cse2)) (not |c_ULTIMATE.start_main_#t~short7#1|) (let ((.cse3 (fp.add c_currentRoundingMode (let ((.cse4 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#org~0#1.base|) |c_ULTIMATE.start_main_~#org~0#1.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) (let ((.cse6 (let ((.cse7 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#min~0#1.base|) |c_ULTIMATE.start_main_~#min~0#1.offset|))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (let ((.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#slope~0#1.base|) |c_ULTIMATE.start_main_~#slope~0#1.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (fp.sub c_currentRoundingMode |c_ULTIMATE.start_main_~t~0#1| .cse6)) (fp.sub c_currentRoundingMode .cse2 .cse6)))))) (and (fp.leq .cse3 ((_ to_fp 8 24) c_currentRoundingMode 30.0)) (fp.geq .cse3 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 10.0)))))))) is different from true [2021-11-23 02:40:23,533 WARN L227 SmtUtils]: Spent 1.57m on a formula simplification. DAG size of input: 33 DAG size of output: 11 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:40:23,534 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-11-23 02:40:23,535 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 409 treesize of output 211