/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:19:57,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:19:57,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:19:57,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:19:57,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:19:57,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:19:57,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:19:57,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:19:57,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:19:57,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:19:57,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:19:57,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:19:57,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:19:57,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:19:57,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:19:57,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:19:57,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:19:57,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:19:57,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:19:57,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:19:57,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:19:57,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:19:57,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:19:57,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:19:57,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:19:57,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:19:57,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:19:57,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:19:57,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:19:57,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:19:57,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:19:57,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:19:57,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:19:57,426 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:19:57,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:19:57,429 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:19:57,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:19:57,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:19:57,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:19:57,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:19:57,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:19:57,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:19:57,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:19:57,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:19:57,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:19:57,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:19:57,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:19:57,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:19:57,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:19:57,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:19:57,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:19:57,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:19:57,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:19:57,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:19:57,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:19:57,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:19:57,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:19:57,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:19:57,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:19:57,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:19:57,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:19:57,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:19:57,861 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:19:57,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2021-02-19 17:19:57,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf79a4acd/8bee7aed2a304de5abc2e200f4c439b5/FLAG25c546ab3 [2021-02-19 17:19:58,591 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:19:58,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2021-02-19 17:19:58,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf79a4acd/8bee7aed2a304de5abc2e200f4c439b5/FLAG25c546ab3 [2021-02-19 17:19:58,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf79a4acd/8bee7aed2a304de5abc2e200f4c439b5 [2021-02-19 17:19:58,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:19:58,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:19:58,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:19:58,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:19:58,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:19:58,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:19:58" (1/1) ... [2021-02-19 17:19:58,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffe5671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:58, skipping insertion in model container [2021-02-19 17:19:58,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:19:58" (1/1) ... [2021-02-19 17:19:58,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:19:59,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:19:59,213 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2021-02-19 17:19:59,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:19:59,228 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:19:59,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2021-02-19 17:19:59,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:19:59,296 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:19:59,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59 WrapperNode [2021-02-19 17:19:59,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:19:59,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:19:59,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:19:59,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:19:59,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... [2021-02-19 17:19:59,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:19:59,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:19:59,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:19:59,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:19:59,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-19 17:19:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:19:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:19:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:19:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2021-02-19 17:19:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2021-02-19 17:19:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:19:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2021-02-19 17:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2021-02-19 17:19:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-19 17:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-19 17:19:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:19:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:20:00,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:20:00,085 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-02-19 17:20:00,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:20:00 BoogieIcfgContainer [2021-02-19 17:20:00,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:20:00,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:20:00,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:20:00,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:20:00,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:19:58" (1/3) ... [2021-02-19 17:20:00,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1526e0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:20:00, skipping insertion in model container [2021-02-19 17:20:00,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:59" (2/3) ... [2021-02-19 17:20:00,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1526e0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:20:00, skipping insertion in model container [2021-02-19 17:20:00,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:20:00" (3/3) ... [2021-02-19 17:20:00,108 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2021-02-19 17:20:00,117 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:20:00,123 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:20:00,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:20:00,180 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:20:00,180 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:20:00,181 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:20:00,181 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:20:00,181 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:20:00,181 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:20:00,181 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:20:00,182 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:20:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2021-02-19 17:20:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-19 17:20:00,211 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:20:00,212 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] [2021-02-19 17:20:00,212 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:20:00,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:20:00,222 INFO L82 PathProgramCache]: Analyzing trace with hash -267736311, now seen corresponding path program 1 times [2021-02-19 17:20:00,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:20:00,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313027161] [2021-02-19 17:20:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:20:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:00,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:20:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:00,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:20:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:00,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-02-19 17:20:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:00,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:00,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:20:00,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313027161] [2021-02-19 17:20:00,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:20:00,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:20:00,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989137654] [2021-02-19 17:20:00,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:20:00,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:20:00,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:20:00,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:20:00,579 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2021-02-19 17:20:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:20:00,842 INFO L93 Difference]: Finished difference Result 108 states and 162 transitions. [2021-02-19 17:20:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 17:20:00,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-19 17:20:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:20:00,854 INFO L225 Difference]: With dead ends: 108 [2021-02-19 17:20:00,854 INFO L226 Difference]: Without dead ends: 54 [2021-02-19 17:20:00,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:20:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-02-19 17:20:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-02-19 17:20:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-19 17:20:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2021-02-19 17:20:00,918 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 25 [2021-02-19 17:20:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:20:00,918 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2021-02-19 17:20:00,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:20:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2021-02-19 17:20:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-19 17:20:00,922 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:20:00,922 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] [2021-02-19 17:20:00,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:20:00,923 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:20:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:20:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash 678943168, now seen corresponding path program 1 times [2021-02-19 17:20:00,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:20:00,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987066246] [2021-02-19 17:20:00,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:20:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:01,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:01,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-19 17:20:01,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:01,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:20:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:01,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:01,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:20:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:01,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-19 17:20:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:20:01,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:20:01,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:20:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:20:01,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987066246] [2021-02-19 17:20:01,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:20:01,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:20:01,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279351039] [2021-02-19 17:20:01,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:20:01,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:20:01,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:20:01,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:20:01,181 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 5 states. [2021-02-19 17:20:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:20:01,383 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-02-19 17:20:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:20:01,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-02-19 17:20:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:20:01,386 INFO L225 Difference]: With dead ends: 57 [2021-02-19 17:20:01,386 INFO L226 Difference]: Without dead ends: 54 [2021-02-19 17:20:01,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:20:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-02-19 17:20:01,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-02-19 17:20:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-19 17:20:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2021-02-19 17:20:01,397 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 27 [2021-02-19 17:20:01,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:20:01,399 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2021-02-19 17:20:01,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:20:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2021-02-19 17:20:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-19 17:20:01,401 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:20:01,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-02-19 17:20:01,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:20:01,402 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:20:01,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:20:01,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1867490483, now seen corresponding path program 1 times [2021-02-19 17:20:01,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:20:01,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942632499] [2021-02-19 17:20:01,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:20:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:20:01,459 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:20:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:20:01,534 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:20:01,595 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:20:01,596 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:20:01,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:20:01,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:20:01 BoogieIcfgContainer [2021-02-19 17:20:01,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:20:01,688 INFO L168 Benchmark]: Toolchain (without parser) took 2721.49 ms. Allocated memory is still 160.4 MB. Free memory was 135.8 MB in the beginning and 102.3 MB in the end (delta: 33.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:20:01,689 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 160.4 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:20:01,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.76 ms. Allocated memory is still 160.4 MB. Free memory was 134.7 MB in the beginning and 123.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:20:01,693 INFO L168 Benchmark]: Boogie Preprocessor took 75.17 ms. Allocated memory is still 160.4 MB. Free memory was 123.2 MB in the beginning and 121.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:20:01,694 INFO L168 Benchmark]: RCFGBuilder took 718.13 ms. Allocated memory is still 160.4 MB. Free memory was 120.9 MB in the beginning and 124.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:20:01,696 INFO L168 Benchmark]: TraceAbstraction took 1592.23 ms. Allocated memory is still 160.4 MB. Free memory was 123.9 MB in the beginning and 102.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:20:01,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 160.4 MB. Free memory is still 132.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 316.76 ms. Allocated memory is still 160.4 MB. Free memory was 134.7 MB in the beginning and 123.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 75.17 ms. Allocated memory is still 160.4 MB. Free memory was 123.2 MB in the beginning and 121.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 718.13 ms. Allocated memory is still 160.4 MB. Free memory was 120.9 MB in the beginning and 124.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1592.23 ms. Allocated memory is still 160.4 MB. Free memory was 123.9 MB in the beginning and 102.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 124]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [\old(one_modf)=4294967300, one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; VAL [iptr={9:0}, one_modf=1] [L120] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=4294967309, iptr={9:0}, one_modf=1] [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(x)=4294967309, iptr={9:0}, iptr={9:0}, one_modf=1, x=4294967309] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, one_modf=1, x=4294967309] [L31] COND TRUE j0 < 20 VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L32] COND TRUE j0 < 0 VAL [\old(x)=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [\old(x)=4294967309, \result=4294967309, i0=0, i1=-1, iptr={9:0}, iptr={9:0}, j0=-1, one_modf=1, x=4294967309] [L120] RET, EXPR modf_double(x, &iptr) VAL [iptr={9:0}, modf_double(x, &iptr)=4294967309, one_modf=1, x=4294967309] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [\read(iptr)=4294967306, iptr={9:0}, one_modf=1, res=4294967309, x=4294967309] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967306, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967306, \result=1, one_modf=1, x=4294967306] [L123] RET, EXPR isnan_double(iptr) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, one_modf=1, res=4294967309, x=4294967309] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=4294967309, x=4294967309] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967309, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967309, \result=0, one_modf=1, x=4294967309] [L123] RET, EXPR isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967309, x=4294967309] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967306, iptr={9:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967309, x=4294967309] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [iptr={9:0}, one_modf=1, res=4294967309, x=4294967309] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 118 SDtfs, 12 SDslu, 126 SDs, 0 SdLazy, 155 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 3528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...