./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 06:37:30,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 06:37:30,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 06:37:30,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 06:37:30,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 06:37:30,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 06:37:30,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 06:37:30,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 06:37:30,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 06:37:30,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 06:37:30,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 06:37:30,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 06:37:30,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 06:37:30,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 06:37:30,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 06:37:30,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 06:37:30,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 06:37:30,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 06:37:30,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 06:37:30,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 06:37:30,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 06:37:30,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 06:37:30,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 06:37:30,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 06:37:30,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 06:37:30,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 06:37:30,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 06:37:30,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 06:37:30,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 06:37:30,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 06:37:30,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 06:37:30,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 06:37:30,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 06:37:30,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 06:37:30,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 06:37:30,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 06:37:30,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 06:37:30,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 06:37:30,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 06:37:30,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 06:37:30,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 06:37:30,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 06:37:30,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 06:37:30,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 06:37:30,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 06:37:30,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 06:37:30,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 06:37:30,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 06:37:30,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 06:37:30,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 06:37:30,844 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 06:37:30,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 06:37:30,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 06:37:30,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 06:37:30,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 06:37:30,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:37:30,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 06:37:30,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 06:37:30,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 06:37:30,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 06:37:30,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2021-12-17 06:37:31,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 06:37:31,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 06:37:31,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 06:37:31,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 06:37:31,056 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 06:37:31,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:31,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6d3c44a/5be08fe0310a492d86171b76130cf5e6/FLAGfcb38bfa1 [2021-12-17 06:37:31,510 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 06:37:31,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:31,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6d3c44a/5be08fe0310a492d86171b76130cf5e6/FLAGfcb38bfa1 [2021-12-17 06:37:31,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f6d3c44a/5be08fe0310a492d86171b76130cf5e6 [2021-12-17 06:37:31,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 06:37:31,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 06:37:31,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 06:37:31,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 06:37:31,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 06:37:31,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3803a2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31, skipping insertion in model container [2021-12-17 06:37:31,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 06:37:31,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 06:37:31,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-12-17 06:37:31,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:37:31,738 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 06:37:31,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-12-17 06:37:31,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:37:31,778 INFO L208 MainTranslator]: Completed translation [2021-12-17 06:37:31,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31 WrapperNode [2021-12-17 06:37:31,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 06:37:31,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 06:37:31,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 06:37:31,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 06:37:31,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,812 INFO L137 Inliner]: procedures = 18, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 199 [2021-12-17 06:37:31,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 06:37:31,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 06:37:31,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 06:37:31,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 06:37:31,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 06:37:31,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 06:37:31,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 06:37:31,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 06:37:31,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (1/1) ... [2021-12-17 06:37:31,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:37:31,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 06:37:31,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 06:37:31,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 06:37:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 06:37:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 06:37:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 06:37:31,978 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 06:37:31,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 06:37:32,159 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 06:37:32,163 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 06:37:32,164 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 06:37:32,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:37:32 BoogieIcfgContainer [2021-12-17 06:37:32,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 06:37:32,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 06:37:32,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 06:37:32,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 06:37:32,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 06:37:31" (1/3) ... [2021-12-17 06:37:32,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ac0b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:37:32, skipping insertion in model container [2021-12-17 06:37:32,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:31" (2/3) ... [2021-12-17 06:37:32,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ac0b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:37:32, skipping insertion in model container [2021-12-17 06:37:32,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:37:32" (3/3) ... [2021-12-17 06:37:32,171 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:32,174 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 06:37:32,174 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 06:37:32,203 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 06:37:32,208 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=PETRI_NET, 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 [2021-12-17 06:37:32,208 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 06:37:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 06:37:32,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:37:32,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:37:32,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:37:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:37:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2021-12-17 06:37:32,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 06:37:32,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122913008] [2021-12-17 06:37:32,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:37:32,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 06:37:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:37:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 06:37:32,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 06:37:32,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122913008] [2021-12-17 06:37:32,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122913008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 06:37:32,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 06:37:32,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 06:37:32,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180189351] [2021-12-17 06:37:32,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 06:37:32,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 06:37:32,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 06:37:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 06:37:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 06:37:32,435 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 06:37:32,491 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-12-17 06:37:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 06:37:32,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-17 06:37:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 06:37:32,499 INFO L225 Difference]: With dead ends: 41 [2021-12-17 06:37:32,499 INFO L226 Difference]: Without dead ends: 22 [2021-12-17 06:37:32,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 06:37:32,505 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 06:37:32,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 110 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 06:37:32,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-17 06:37:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-17 06:37:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-17 06:37:32,525 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 13 [2021-12-17 06:37:32,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 06:37:32,526 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-17 06:37:32,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-12-17 06:37:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 06:37:32,526 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:37:32,527 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:37:32,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 06:37:32,527 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:37:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:37:32,529 INFO L85 PathProgramCache]: Analyzing trace with hash 792769235, now seen corresponding path program 1 times [2021-12-17 06:37:32,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 06:37:32,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133464661] [2021-12-17 06:37:32,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:37:32,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 06:37:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 06:37:32,564 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 06:37:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 06:37:32,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 06:37:32,609 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 06:37:32,610 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 06:37:32,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 06:37:32,622 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 06:37:32,626 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 06:37:32,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 06:37:32 BoogieIcfgContainer [2021-12-17 06:37:32,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 06:37:32,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 06:37:32,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 06:37:32,668 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 06:37:32,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:37:32" (3/4) ... [2021-12-17 06:37:32,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 06:37:32,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 06:37:32,671 INFO L158 Benchmark]: Toolchain (without parser) took 1136.47ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 98.9MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:37:32,672 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:37:32,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.60ms. Allocated memory is still 123.7MB. Free memory was 93.0MB in the beginning and 99.4MB in the end (delta: -6.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-12-17 06:37:32,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 123.7MB. Free memory was 99.4MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 06:37:32,676 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 06:37:32,677 INFO L158 Benchmark]: RCFGBuilder took 318.80ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 82.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 06:37:32,677 INFO L158 Benchmark]: TraceAbstraction took 500.81ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 99.5MB in the end (delta: -17.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-17 06:37:32,677 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 98.9MB in the end (delta: 594.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:37:32,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.60ms. Allocated memory is still 123.7MB. Free memory was 93.0MB in the beginning and 99.4MB in the end (delta: -6.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 123.7MB. Free memory was 99.4MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.80ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 82.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 500.81ms. Allocated memory is still 123.7MB. Free memory was 82.2MB in the beginning and 99.5MB in the end (delta: -17.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 98.9MB in the end (delta: 594.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 53]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L1] int __return_main; [L12] int __return_136; VAL [__return_136=0, __return_main=0] [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] float main__org[5] = { 1, 5, -10, 30, 20 }; [L21] float main__slope[5] = { 4, -15, 40, -10, 0 }; [L22] main__t = __VERIFIER_nondet_float() [L23] int main____CPAchecker_TMP_0; [L24] EXPR main__min[0] VAL [__return_136=0, __return_main=0, main__max={7:0}, main__min={6:0}, main__min[0]=49, main__org={5:0}, main__slope={4:0}] [L24] COND TRUE main__t >= (main__min[0]) [L26] EXPR main__max[4UL] VAL [__return_136=0, __return_main=0, main__max={7:0}, main__max[4UL]=51, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L26] COND TRUE main__t <= (main__max[4UL]) [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L29] COND TRUE main____CPAchecker_TMP_0 != 0 [L31] main__i = 0 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L32] COND TRUE main__i < 5UL [L34] EXPR main__max[main__i] VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={7:0}, main__max[main__i]=50, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L34] COND TRUE main__t <= (main__max[main__i]) [L38] EXPR main__org[main__i] [L38] EXPR main__slope[main__i] [L38] EXPR main__min[main__i] [L38] EXPR main__max[main__i] [L38] EXPR main__min[main__i] [L38] main__z = (main__org[main__i]) + (((main__slope[main__i]) * (main__t - (main__min[main__i]))) / ((main__max[main__i]) - (main__min[main__i]))) [L39] int main____CPAchecker_TMP_1; VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L40] COND FALSE !(main__z >= -10.0) VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L66] main____CPAchecker_TMP_1 = 0 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L47] int __tmp_1; [L48] __tmp_1 = main____CPAchecker_TMP_1 [L49] int __VERIFIER_assert__cond; [L50] __VERIFIER_assert__cond = __tmp_1 VAL [__return_136=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L51] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_136=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] [L53] reach_error() VAL [__return_136=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={7:0}, main__min={6:0}, main__org={5:0}, main__slope={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 [2021-12-17 06:37:32,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 06:37:34,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 06:37:34,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 06:37:34,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 06:37:34,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 06:37:34,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 06:37:34,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 06:37:34,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 06:37:34,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 06:37:34,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 06:37:34,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 06:37:34,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 06:37:34,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 06:37:34,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 06:37:34,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 06:37:34,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 06:37:34,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 06:37:34,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 06:37:34,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 06:37:34,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 06:37:34,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 06:37:34,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 06:37:34,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 06:37:34,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 06:37:34,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 06:37:34,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 06:37:34,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 06:37:34,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 06:37:34,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 06:37:34,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 06:37:34,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 06:37:34,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 06:37:34,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 06:37:34,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 06:37:34,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 06:37:34,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 06:37:34,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 06:37:34,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 06:37:34,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 06:37:34,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 06:37:34,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 06:37:34,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 06:37:34,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 06:37:34,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 06:37:34,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 06:37:34,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 06:37:34,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 06:37:34,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 06:37:34,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 06:37:34,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 06:37:34,546 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 06:37:34,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 06:37:34,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 06:37:34,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 06:37:34,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 06:37:34,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 06:37:34,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 06:37:34,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 06:37:34,547 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 06:37:34,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 06:37:34,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 06:37:34,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 06:37:34,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 06:37:34,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 06:37:34,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 06:37:34,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 06:37:34,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 06:37:34,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 06:37:34,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:37:34,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 06:37:34,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 06:37:34,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 06:37:34,550 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 06:37:34,551 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 06:37:34,551 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 06:37:34,551 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 06:37:34,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 06:37:34,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 06:37:34,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 06:37:34,552 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2021-12-17 06:37:34,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 06:37:34,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 06:37:34,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 06:37:34,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 06:37:34,836 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 06:37:34,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:34,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29a1f871/6684c3400be74229b30ef6056150351a/FLAG89fbd8474 [2021-12-17 06:37:35,262 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 06:37:35,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:35,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29a1f871/6684c3400be74229b30ef6056150351a/FLAG89fbd8474 [2021-12-17 06:37:35,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29a1f871/6684c3400be74229b30ef6056150351a [2021-12-17 06:37:35,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 06:37:35,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 06:37:35,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 06:37:35,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 06:37:35,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 06:37:35,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50532b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35, skipping insertion in model container [2021-12-17 06:37:35,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 06:37:35,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 06:37:35,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-12-17 06:37:35,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:37:35,488 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 06:37:35,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2021-12-17 06:37:35,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:37:35,548 INFO L208 MainTranslator]: Completed translation [2021-12-17 06:37:35,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35 WrapperNode [2021-12-17 06:37:35,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 06:37:35,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 06:37:35,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 06:37:35,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 06:37:35,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,600 INFO L137 Inliner]: procedures = 19, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 200 [2021-12-17 06:37:35,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 06:37:35,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 06:37:35,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 06:37:35,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 06:37:35,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 06:37:35,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 06:37:35,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 06:37:35,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 06:37:35,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (1/1) ... [2021-12-17 06:37:35,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:37:35,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 06:37:35,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 06:37:35,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-17 06:37:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 06:37:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 06:37:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 06:37:35,825 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 06:37:35,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 06:37:38,384 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 06:37:38,388 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 06:37:38,388 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 06:37:38,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:37:38 BoogieIcfgContainer [2021-12-17 06:37:38,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 06:37:38,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 06:37:38,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 06:37:38,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 06:37:38,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 06:37:35" (1/3) ... [2021-12-17 06:37:38,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e663d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:37:38, skipping insertion in model container [2021-12-17 06:37:38,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:37:35" (2/3) ... [2021-12-17 06:37:38,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e663d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:37:38, skipping insertion in model container [2021-12-17 06:37:38,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:37:38" (3/3) ... [2021-12-17 06:37:38,394 INFO L111 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+nlh-reducer.c [2021-12-17 06:37:38,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 06:37:38,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 06:37:38,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 06:37:38,432 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=PETRI_NET, 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 [2021-12-17 06:37:38,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 06:37:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 06:37:38,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:37:38,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:37:38,444 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:37:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:37:38,449 INFO L85 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2021-12-17 06:37:38,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 06:37:38,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791556720] [2021-12-17 06:37:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:37:38,460 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 06:37:38,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 06:37:38,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 06:37:38,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 06:37:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:37:38,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 06:37:38,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 06:37:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 06:37:38,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 06:37:38,940 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 06:37:38,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791556720] [2021-12-17 06:37:38,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791556720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 06:37:38,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 06:37:38,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 06:37:38,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18817222] [2021-12-17 06:37:38,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 06:37:38,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 06:37:38,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 06:37:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 06:37:38,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 06:37:38,961 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:41,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 06:37:41,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 06:37:41,363 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2021-12-17 06:37:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 06:37:41,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-17 06:37:41,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 06:37:41,369 INFO L225 Difference]: With dead ends: 35 [2021-12-17 06:37:41,369 INFO L226 Difference]: Without dead ends: 22 [2021-12-17 06:37:41,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 06:37:41,373 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-17 06:37:41,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 102 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-17 06:37:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-17 06:37:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-17 06:37:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-17 06:37:41,393 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 13 [2021-12-17 06:37:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 06:37:41,393 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-17 06:37:41,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:37:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-12-17 06:37:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-17 06:37:41,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:37:41,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:37:41,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 06:37:41,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 06:37:41,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:37:41,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:37:41,605 INFO L85 PathProgramCache]: Analyzing trace with hash 792769235, now seen corresponding path program 1 times [2021-12-17 06:37:41,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 06:37:41,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058399361] [2021-12-17 06:37:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:37:41,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 06:37:41,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 06:37:41,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 06:37:41,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 06:37:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:37:42,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-17 06:37:42,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 06:37:47,689 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-12-17 06:37:47,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 266 treesize of output 146 [2021-12-17 06:38:42,008 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.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 (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse1) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse3) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse1)) (fp.sub c_currentRoundingMode .cse3 .cse1))))))) (exists ((v_arrayElimCell_3 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) is different from false [2021-12-17 06:40:06,724 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse2 (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))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse1) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32))) (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse1 .cse0)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from false [2021-12-17 06:40:08,757 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_5 (_ BitVec 32)) (v_arrayElimCell_4 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse2 (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))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse0) (= .cse1 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse1) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32))) (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse1 .cse0)))) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from true [2021-12-17 06:44:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 06:44:14,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 06:44:14,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 06:44:14,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058399361] [2021-12-17 06:44:14,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058399361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 06:44:14,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 06:44:14,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 06:44:14,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282339571] [2021-12-17 06:44:14,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 06:44:14,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 06:44:14,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 06:44:14,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 06:44:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=47, Unknown=3, NotChecked=30, Total=110 [2021-12-17 06:44:14,163 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:44:16,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 06:44:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 06:44:17,107 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-12-17 06:44:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 06:44:17,109 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-17 06:44:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 06:44:17,110 INFO L225 Difference]: With dead ends: 29 [2021-12-17 06:44:17,110 INFO L226 Difference]: Without dead ends: 24 [2021-12-17 06:44:17,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=30, Invalid=47, Unknown=3, NotChecked=30, Total=110 [2021-12-17 06:44:17,111 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 46 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-17 06:44:17,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 17 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 1 Unknown, 46 Unchecked, 2.9s Time] [2021-12-17 06:44:17,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-12-17 06:44:17,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-12-17 06:44:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:44:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-12-17 06:44:17,115 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 13 [2021-12-17 06:44:17,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 06:44:17,115 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-12-17 06:44:17,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 06:44:17,116 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-12-17 06:44:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-17 06:44:17,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:44:17,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:44:17,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 06:44:17,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 06:44:17,332 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:44:17,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:44:17,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1710804433, now seen corresponding path program 1 times [2021-12-17 06:44:17,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 06:44:17,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311799087] [2021-12-17 06:44:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:44:17,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 06:44:17,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 06:44:17,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 06:44:17,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 06:44:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:44:18,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-17 06:44:18,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 06:44:24,712 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-12-17 06:44:24,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 266 treesize of output 146 [2021-12-17 06:45:32,274 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse1) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse2 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse1)) (fp.sub c_currentRoundingMode .cse3 .cse1)))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse3)))) (exists ((v_arrayElimCell_8 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) is different from false [2021-12-17 06:46:43,432 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7))) (.cse3 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9)))) (and (= .cse0 ((_ to_fp 8 24) c_currentRoundingMode (_ bv4 32))) (= .cse1 ((_ to_fp 8 24) c_currentRoundingMode (_ bv5 32))) (= .cse2 ((_ to_fp 8 24) c_currentRoundingMode (_ bv1 32))) (fp.geq |ULTIMATE.start_main_~main__t~0#1| .cse1) (= .cse3 ((_ to_fp 8 24) c_currentRoundingMode (_ bv10 32))) (= |c_ULTIMATE.start_main_~main__z~0#1| (fp.add c_currentRoundingMode .cse2 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode |ULTIMATE.start_main_~main__t~0#1| .cse1)) (fp.sub c_currentRoundingMode .cse3 .cse1)))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse3)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__z~0#1|) (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (exists ((v_arrayElimCell_8 (_ BitVec 32))) (= (fp ((_ extract 31 31) v_arrayElimCell_8) ((_ extract 30 23) v_arrayElimCell_8) ((_ extract 22 0) v_arrayElimCell_8)) ((_ to_fp 8 24) c_currentRoundingMode (_ bv300 32))))) is different from false [2021-12-17 06:48:38,539 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse4 .cse0)))))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (fp.geq .cse1 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32))) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 30.0))) (= .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse4))))) is different from false [2021-12-17 06:48:40,575 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_10 (_ BitVec 32)) (|ULTIMATE.start_main_~main__t~0#1| (_ FloatingPoint 8 24)) (v_arrayElimCell_9 (_ BitVec 32)) (v_arrayElimCell_7 (_ BitVec 32)) (v_arrayElimCell_6 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_arrayElimCell_10) ((_ extract 30 23) v_arrayElimCell_10) ((_ extract 22 0) v_arrayElimCell_10))) (.cse2 (fp ((_ extract 31 31) v_arrayElimCell_6) ((_ extract 30 23) v_arrayElimCell_6) ((_ extract 22 0) v_arrayElimCell_6))) (.cse4 (fp ((_ extract 31 31) v_arrayElimCell_9) ((_ extract 30 23) v_arrayElimCell_9) ((_ extract 22 0) v_arrayElimCell_9))) (.cse0 (fp ((_ extract 31 31) v_arrayElimCell_7) ((_ extract 30 23) v_arrayElimCell_7) ((_ extract 22 0) v_arrayElimCell_7)))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven |ULTIMATE.start_main_~main__t~0#1| .cse0)) (fp.sub roundNearestTiesToEven .cse4 .cse0)))))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv5 32))) (fp.geq .cse1 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (= .cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv4 32))) (= .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv1 32))) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 30.0))) (= .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv10 32))) (fp.leq |ULTIMATE.start_main_~main__t~0#1| .cse4))))) is different from true Killed by 15