java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:43:18,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:43:18,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:43:18,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:43:18,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:43:18,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:43:18,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:43:18,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:43:18,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:43:18,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:43:18,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:43:18,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:43:18,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:43:18,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:43:18,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:43:18,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:43:18,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:43:18,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:43:18,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:43:18,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:43:18,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:43:18,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:43:18,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:43:18,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:43:18,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:43:18,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:43:18,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:43:18,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:43:18,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:43:18,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:43:18,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:43:18,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:43:18,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:43:18,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:43:18,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:43:18,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:43:18,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:43:18,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:43:18,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:43:18,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:43:18,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:43:18,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:43:18,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:43:18,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:43:18,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:43:18,166 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:43:18,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:43:18,169 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:43:18,169 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:43:18,169 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:43:18,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:43:18,169 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:43:18,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:43:18,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:43:18,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:43:18,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:43:18,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:43:18,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:43:18,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:43:18,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:43:18,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:43:18,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:43:18,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:43:18,175 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:43:18,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:43:18,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:43:18,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:43:18,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:43:18,176 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:43:18,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:43:18,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:43:18,176 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:43:18,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:43:18,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:43:18,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:43:18,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:43:18,254 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:43:18,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c [2019-09-10 01:43:18,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3169615/73499b7589d14a06b29fd2832b41f34a/FLAG0e711a474 [2019-09-10 01:43:18,768 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:43:18,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c [2019-09-10 01:43:18,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3169615/73499b7589d14a06b29fd2832b41f34a/FLAG0e711a474 [2019-09-10 01:43:19,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3169615/73499b7589d14a06b29fd2832b41f34a [2019-09-10 01:43:19,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:43:19,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:43:19,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:43:19,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:43:19,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:43:19,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6819b060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19, skipping insertion in model container [2019-09-10 01:43:19,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:43:19,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:43:19,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:43:19,414 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:43:19,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:43:19,564 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:43:19,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19 WrapperNode [2019-09-10 01:43:19,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:43:19,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:43:19,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:43:19,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:43:19,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (1/1) ... [2019-09-10 01:43:19,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:43:19,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:43:19,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:43:19,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:43:19,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (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 [2019-09-10 01:43:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:43:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:43:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-09-10 01:43:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2019-09-10 01:43:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-09-10 01:43:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:43:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:43:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-09-10 01:43:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2019-09-10 01:43:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:43:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-09-10 01:43:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:43:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:43:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:43:20,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:43:20,075 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-10 01:43:20,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:43:20 BoogieIcfgContainer [2019-09-10 01:43:20,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:43:20,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:43:20,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:43:20,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:43:20,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:43:19" (1/3) ... [2019-09-10 01:43:20,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee496c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:43:20, skipping insertion in model container [2019-09-10 01:43:20,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:19" (2/3) ... [2019-09-10 01:43:20,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee496c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:43:20, skipping insertion in model container [2019-09-10 01:43:20,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:43:20" (3/3) ... [2019-09-10 01:43:20,083 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2019-09-10 01:43:20,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:43:20,097 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:43:20,112 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:43:20,136 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:43:20,136 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:43:20,136 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:43:20,136 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:43:20,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:43:20,137 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:43:20,137 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:43:20,137 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:43:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-09-10 01:43:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 01:43:20,161 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:43:20,162 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:43:20,164 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:43:20,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:43:20,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2115255731, now seen corresponding path program 1 times [2019-09-10 01:43:20,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:43:20,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:20,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,210 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:43:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:43:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:43:20,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:43:20,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 01:43:20,297 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:43:20,302 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 01:43:20,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 01:43:20,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:43:20,320 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2019-09-10 01:43:20,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:43:20,336 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2019-09-10 01:43:20,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 01:43:20,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-09-10 01:43:20,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:43:20,346 INFO L225 Difference]: With dead ends: 40 [2019-09-10 01:43:20,347 INFO L226 Difference]: Without dead ends: 36 [2019-09-10 01:43:20,349 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:43:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-09-10 01:43:20,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-09-10 01:43:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-09-10 01:43:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2019-09-10 01:43:20,385 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 19 [2019-09-10 01:43:20,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:43:20,386 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2019-09-10 01:43:20,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 01:43:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2019-09-10 01:43:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 01:43:20,387 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:43:20,387 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:43:20,387 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:43:20,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:43:20,388 INFO L82 PathProgramCache]: Analyzing trace with hash -605808332, now seen corresponding path program 1 times [2019-09-10 01:43:20,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:43:20,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:20,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,390 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:43:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:43:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:43:20,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:43:20,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 01:43:20,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:43:20,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 01:43:20,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 01:43:20,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 01:43:20,602 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand 7 states. [2019-09-10 01:43:20,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:43:20,767 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2019-09-10 01:43:20,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 01:43:20,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-09-10 01:43:20,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:43:20,772 INFO L225 Difference]: With dead ends: 42 [2019-09-10 01:43:20,772 INFO L226 Difference]: Without dead ends: 42 [2019-09-10 01:43:20,773 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-09-10 01:43:20,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-09-10 01:43:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-09-10 01:43:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-10 01:43:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2019-09-10 01:43:20,790 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 19 [2019-09-10 01:43:20,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:43:20,791 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-09-10 01:43:20,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 01:43:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2019-09-10 01:43:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 01:43:20,796 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:43:20,796 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:43:20,796 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:43:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:43:20,797 INFO L82 PathProgramCache]: Analyzing trace with hash -54368377, now seen corresponding path program 1 times [2019-09-10 01:43:20,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:43:20,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:20,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:20,800 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:43:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:43:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:43:20,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:43:20,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 01:43:20,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:43:20,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 01:43:20,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 01:43:20,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 01:43:20,969 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 7 states. [2019-09-10 01:43:21,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:43:21,112 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2019-09-10 01:43:21,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 01:43:21,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-09-10 01:43:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:43:21,115 INFO L225 Difference]: With dead ends: 44 [2019-09-10 01:43:21,115 INFO L226 Difference]: Without dead ends: 44 [2019-09-10 01:43:21,116 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-09-10 01:43:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-09-10 01:43:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-09-10 01:43:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-10 01:43:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2019-09-10 01:43:21,122 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 19 [2019-09-10 01:43:21,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:43:21,123 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-09-10 01:43:21,123 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 01:43:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2019-09-10 01:43:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-10 01:43:21,124 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:43:21,125 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:43:21,125 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:43:21,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:43:21,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2018263551, now seen corresponding path program 1 times [2019-09-10 01:43:21,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:43:21,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:21,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:21,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:21,127 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:43:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:43:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:43:21,230 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:43:21,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:43:21 BoogieIcfgContainer [2019-09-10 01:43:21,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:43:21,279 INFO L168 Benchmark]: Toolchain (without parser) took 2128.38 ms. Allocated memory was 133.7 MB in the beginning and 224.9 MB in the end (delta: 91.2 MB). Free memory was 89.8 MB in the beginning and 194.2 MB in the end (delta: -104.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,281 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.26 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.4 MB in the beginning and 174.7 MB in the end (delta: -85.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,285 INFO L168 Benchmark]: Boogie Preprocessor took 56.79 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 172.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,286 INFO L168 Benchmark]: RCFGBuilder took 454.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 150.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,287 INFO L168 Benchmark]: TraceAbstraction took 1198.33 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 150.9 MB in the beginning and 194.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:21,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 414.26 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.4 MB in the beginning and 174.7 MB in the end (delta: -85.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.79 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 172.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 150.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1198.33 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 150.9 MB in the beginning and 194.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 91]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L86] double x = 0.0; VAL [x=0] [L87] CALL, EXPR round_double(x) VAL [\old(x)=0] [L18] __int32_t msw, exponent_less_1023; [L19] __uint32_t lsw; VAL [\old(x)=0, x=0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L26] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=0, exponent_less_1023=0, lsw=1, msw=-2, x=0] [L27] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=0, exponent_less_1023=0, lsw=1, msw=-2, x=0] [L28] COND FALSE !(exponent_less_1023 < 0) [L34] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; VAL [\old(x)=0, exponent_less_1023=0, lsw=1, msw=-2, x=0] [L35] COND FALSE !((msw & exponent_mask) == 0 && lsw == 0) [L37] msw += 0x00080000 >> exponent_less_1023 [L38] msw &= ~exponent_mask [L39] lsw = 0 VAL [\old(x)=0, exponent_less_1023=0, lsw=0, msw=-1, x=0] [L58] ieee_double_shape_type iw_u; [L59] iw_u.parts.msw = (msw) [L60] iw_u.parts.lsw = (lsw) [L61] EXPR iw_u.value [L61] (x) = iw_u.value [L63] return x; VAL [\old(x)=0, \result=4294967304, exponent_less_1023=0, lsw=0, msw=-1, x=4294967304] [L87] RET, EXPR round_double(x) VAL [round_double(x)=4294967304, x=0] [L87] double res = round_double(x); [L90] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=4294967304, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L90] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L91] __VERIFIER_error() VAL [res=4294967304, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 125 SDtfs, 49 SDslu, 312 SDs, 0 SdLazy, 87 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...