/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:09:13,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:09:13,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:09:14,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:09:14,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:09:14,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:09:14,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:09:14,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:09:14,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:09:14,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:09:14,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:09:14,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:09:14,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:09:14,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:09:14,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:09:14,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:09:14,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:09:14,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:09:14,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:09:14,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:09:14,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:09:14,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:09:14,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:09:14,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:09:14,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:09:14,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:09:14,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:09:14,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:09:14,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:09:14,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:09:14,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:09:14,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:09:14,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:09:14,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:09:14,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:09:14,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:09:14,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:09:14,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:09:14,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:09:14,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:09:14,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:09:14,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:09:14,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:09:14,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:09:14,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:09:14,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:09:14,196 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:09:14,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:09:14,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:09:14,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:09:14,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:09:14,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:09:14,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:09:14,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:09:14,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:09:14,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:09:14,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:09:14,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:09:14,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:09:14,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:09:14,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:09:14,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:09:14,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:09:14,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:09:14,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:09:14,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:09:14,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:09:14,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:09:14,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:09:14,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:09:14,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:09:14,202 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:09:14,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:09:14,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:09:14,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:09:14,669 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:09:14,670 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:09:14,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-10-29 09:09:14,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cf494a14/7e6818f696894f45aa77d3d2a0a1cf07/FLAG5aaa98cbf [2020-10-29 09:09:15,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:09:15,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1271b.c [2020-10-29 09:09:15,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cf494a14/7e6818f696894f45aa77d3d2a0a1cf07/FLAG5aaa98cbf [2020-10-29 09:09:15,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cf494a14/7e6818f696894f45aa77d3d2a0a1cf07 [2020-10-29 09:09:15,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:09:15,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:09:15,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:09:15,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:09:15,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:09:15,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:09:15" (1/1) ... [2020-10-29 09:09:15,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d28a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:15, skipping insertion in model container [2020-10-29 09:09:15,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:09:15" (1/1) ... [2020-10-29 09:09:15,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:09:15,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:09:16,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:09:16,135 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:09:16,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:09:16,225 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:09:16,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16 WrapperNode [2020-10-29 09:09:16,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:09:16,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:09:16,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:09:16,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:09:16,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... [2020-10-29 09:09:16,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:09:16,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:09:16,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:09:16,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:09:16,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:09:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:09:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-10-29 09:09:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-29 09:09:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-29 09:09:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:09:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:09:17,321 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:09:17,322 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-29 09:09:17,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:09:17 BoogieIcfgContainer [2020-10-29 09:09:17,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:09:17,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:09:17,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:09:17,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:09:17,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:09:15" (1/3) ... [2020-10-29 09:09:17,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa3426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:09:17, skipping insertion in model container [2020-10-29 09:09:17,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:09:16" (2/3) ... [2020-10-29 09:09:17,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa3426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:09:17, skipping insertion in model container [2020-10-29 09:09:17,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:09:17" (3/3) ... [2020-10-29 09:09:17,336 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b.c [2020-10-29 09:09:17,347 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:09:17,352 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:09:17,368 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:09:17,399 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:09:17,400 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:09:17,400 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:09:17,400 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:09:17,400 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:09:17,400 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:09:17,400 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:09:17,401 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:09:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-10-29 09:09:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-29 09:09:17,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:09:17,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:09:17,434 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:09:17,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:09:17,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1672690526, now seen corresponding path program 1 times [2020-10-29 09:09:17,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:09:17,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656245109] [2020-10-29 09:09:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:09:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:09:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:17,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:09:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 09:09:18,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:09:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-29 09:09:18,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:09:18,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:09:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:09:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 09:09:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:09:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 09:09:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:09:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:09:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:09:18,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:09:18,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:09:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:09:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:09:18,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:09:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:09:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:09:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:09:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:09:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:09:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:09:18,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:09:18,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:09:18,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:09:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:09:18,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:09:18,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:09:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:09:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 09:09:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:09:18,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:09:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:09:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:09:18,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:09:18,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 09:09:18,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:09:18,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 09:09:18,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:09:18,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:09:18,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:09:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:09:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:09:18,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:09:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:09:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:09:18,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:09:18,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:09:18,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:09:18,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:09:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:09:18,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:09:18,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:09:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:09:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:09:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:09:18,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:09:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:09:18,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656245109] [2020-10-29 09:09:18,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:09:18,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:09:18,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138135649] [2020-10-29 09:09:18,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:09:18,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:09:18,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:09:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:09:18,396 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 4 states. [2020-10-29 09:09:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:09:18,882 INFO L93 Difference]: Finished difference Result 215 states and 335 transitions. [2020-10-29 09:09:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-29 09:09:18,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-10-29 09:09:18,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:09:18,897 INFO L225 Difference]: With dead ends: 215 [2020-10-29 09:09:18,897 INFO L226 Difference]: Without dead ends: 105 [2020-10-29 09:09:18,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:09:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-29 09:09:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-10-29 09:09:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-29 09:09:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2020-10-29 09:09:18,961 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 35 [2020-10-29 09:09:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:09:18,962 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2020-10-29 09:09:18,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:09:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2020-10-29 09:09:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-29 09:09:18,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:09:18,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:09:18,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:09:18,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:09:18,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:09:18,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2115574848, now seen corresponding path program 1 times [2020-10-29 09:09:18,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:09:18,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871297886] [2020-10-29 09:09:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:09:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 09:09:19,029 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 09:09:19,029 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 09:09:19,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:09:19,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:09:19 BoogieIcfgContainer [2020-10-29 09:09:19,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:09:19,056 INFO L168 Benchmark]: Toolchain (without parser) took 3218.15 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.6 MB in the beginning and 112.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 45.6 MB. Max. memory is 8.0 GB. [2020-10-29 09:09:19,057 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:09:19,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 112.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-29 09:09:19,059 INFO L168 Benchmark]: Boogie Preprocessor took 80.91 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 109.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:09:19,059 INFO L168 Benchmark]: RCFGBuilder took 1015.45 ms. Allocated memory is still 151.0 MB. Free memory was 109.4 MB in the beginning and 111.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:09:19,060 INFO L168 Benchmark]: TraceAbstraction took 1725.00 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 110.6 MB in the beginning and 112.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2020-10-29 09:09:19,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 382.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 112.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.91 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 109.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1015.45 ms. Allocated memory is still 151.0 MB. Free memory was 109.4 MB in the beginning and 111.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1725.00 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 110.6 MB in the beginning and 112.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = __VERIFIER_nondet_float(); [L235] float y = 0.0f / 0.0f; [L237] CALL isfinite_float(x) [L217] __int32_t ix; [L219] ieee_float_shape_type gf_u; [L220] gf_u.value = (x) [L221] EXPR gf_u.word [L221] (ix) = gf_u.word [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); [L237] RET isfinite_float(x) [L237] COND TRUE isfinite_float(x) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] CALL reach_error() [L3] __assert_fail("0", "float_req_bl_1271b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 14 SDslu, 105 SDs, 0 SdLazy, 135 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 3196 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 Received shutdown request...