/usr/bin/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:49:47,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:49:47,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:49:47,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:49:47,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:49:47,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:49:47,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:49:47,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:49:47,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:49:47,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:49:47,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:49:47,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:49:47,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:49:47,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:49:47,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:49:47,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:49:47,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:49:47,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:49:47,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:49:47,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:49:47,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:49:47,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:49:47,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:49:47,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:49:47,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:49:47,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:49:47,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:49:47,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:49:47,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:49:47,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:49:47,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:49:47,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:49:47,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:49:47,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:49:47,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:49:47,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:49:47,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:49:47,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:49:47,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:49:47,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:49:47,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:49:47,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:49:47,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:49:47,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:49:47,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:49:47,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:49:47,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:49:47,521 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:49:47,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:49:47,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:49:47,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:49:47,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:49:47,522 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:49:47,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:49:47,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:49:47,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:49:47,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:49:47,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:49:47,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:49:47,523 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-08-22 21:49:47,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:49:47,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:49:47,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:49:47,839 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:49:47,839 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:49:47,840 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2020-08-22 21:49:47,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d76a8b9/f8339e46315142b3b7342fc750a18fe4/FLAG56923a48f [2020-08-22 21:49:48,352 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:49:48,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2020-08-22 21:49:48,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d76a8b9/f8339e46315142b3b7342fc750a18fe4/FLAG56923a48f [2020-08-22 21:49:48,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d76a8b9/f8339e46315142b3b7342fc750a18fe4 [2020-08-22 21:49:48,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:49:48,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:49:48,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:49:48,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:49:48,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:49:48,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:48" (1/1) ... [2020-08-22 21:49:48,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14924135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:48, skipping insertion in model container [2020-08-22 21:49:48,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:48" (1/1) ... [2020-08-22 21:49:48,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:49:48,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:49:49,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:49:49,034 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:49:49,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:49:49,181 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:49:49,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49 WrapperNode [2020-08-22 21:49:49,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:49:49,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:49:49,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:49:49,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:49:49,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (1/1) ... [2020-08-22 21:49:49,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:49:49,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:49:49,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:49:49,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:49:49,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (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 [2020-08-22 21:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-08-22 21:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2020-08-22 21:49:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 21:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:49:49,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:49:49,884 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-08-22 21:49:49,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:49 BoogieIcfgContainer [2020-08-22 21:49:49,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:49:49,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:49:49,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:49:49,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:49:49,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:49:48" (1/3) ... [2020-08-22 21:49:49,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f845777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:49:49, skipping insertion in model container [2020-08-22 21:49:49,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:49" (2/3) ... [2020-08-22 21:49:49,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f845777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:49:49, skipping insertion in model container [2020-08-22 21:49:49,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:49" (3/3) ... [2020-08-22 21:49:49,906 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2020-08-22 21:49:49,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:49:49,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:49:49,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:49:49,966 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:49:49,966 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:49:49,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:49:49,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:49:49,968 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:49:49,968 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:49:49,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:49:49,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:49:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-08-22 21:49:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-22 21:49:50,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:49:50,016 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, 1, 1] [2020-08-22 21:49:50,017 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:49:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:49:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1596885088, now seen corresponding path program 1 times [2020-08-22 21:49:50,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:49:50,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570929410] [2020-08-22 21:49:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:49:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:49:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 21:49:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:50,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 21:49:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:49:50,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570929410] [2020-08-22 21:49:50,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:49:50,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:49:50,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782412385] [2020-08-22 21:49:50,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:49:50,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:49:50,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:49:50,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:49:50,313 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-08-22 21:49:50,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:49:50,801 INFO L93 Difference]: Finished difference Result 352 states and 406 transitions. [2020-08-22 21:49:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:49:50,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-08-22 21:49:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:49:50,816 INFO L225 Difference]: With dead ends: 352 [2020-08-22 21:49:50,816 INFO L226 Difference]: Without dead ends: 172 [2020-08-22 21:49:50,821 INFO L675 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 [2020-08-22 21:49:50,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-08-22 21:49:50,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-08-22 21:49:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-22 21:49:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 178 transitions. [2020-08-22 21:49:50,884 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 178 transitions. Word has length 42 [2020-08-22 21:49:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:49:50,885 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 178 transitions. [2020-08-22 21:49:50,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:49:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 178 transitions. [2020-08-22 21:49:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 21:49:50,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:49:50,890 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:49:50,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:49:50,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:49:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:49:50,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1781987569, now seen corresponding path program 1 times [2020-08-22 21:49:50,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:49:50,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210417435] [2020-08-22 21:49:50,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:49:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:49:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 21:49:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:49:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:49:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 21:49:51,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210417435] [2020-08-22 21:49:51,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:49:51,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:49:51,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987535798] [2020-08-22 21:49:51,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:49:51,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:49:51,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:49:51,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:49:51,106 INFO L87 Difference]: Start difference. First operand 172 states and 178 transitions. Second operand 5 states. [2020-08-22 21:49:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:49:51,445 INFO L93 Difference]: Finished difference Result 179 states and 184 transitions. [2020-08-22 21:49:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 21:49:51,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-08-22 21:49:51,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:49:51,449 INFO L225 Difference]: With dead ends: 179 [2020-08-22 21:49:51,449 INFO L226 Difference]: Without dead ends: 172 [2020-08-22 21:49:51,451 INFO L675 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 [2020-08-22 21:49:51,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-08-22 21:49:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-08-22 21:49:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-22 21:49:51,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2020-08-22 21:49:51,472 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 64 [2020-08-22 21:49:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:49:51,474 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2020-08-22 21:49:51,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:49:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2020-08-22 21:49:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-08-22 21:49:51,478 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:49:51,479 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 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] [2020-08-22 21:49:51,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:49:51,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:49:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:49:51,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1985524025, now seen corresponding path program 1 times [2020-08-22 21:49:51,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:49:51,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401604487] [2020-08-22 21:49:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:49:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:49:51,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:49:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 21:49:51,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 21:49:51,616 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 21:49:51,617 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 21:49:51,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:49:51,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:49:51 BoogieIcfgContainer [2020-08-22 21:49:51,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 21:49:51,682 INFO L168 Benchmark]: Toolchain (without parser) took 2917.22 ms. Allocated memory was 138.4 MB in the beginning and 233.8 MB in the end (delta: 95.4 MB). Free memory was 102.4 MB in the beginning and 87.2 MB in the end (delta: 15.1 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,685 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.43 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 179.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,693 INFO L168 Benchmark]: Boogie Preprocessor took 64.15 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 177.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,693 INFO L168 Benchmark]: RCFGBuilder took 646.63 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 134.2 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,695 INFO L168 Benchmark]: TraceAbstraction took 1782.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 133.6 MB in the beginning and 87.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-08-22 21:49:51,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.43 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 179.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.15 ms. Allocated memory is still 201.9 MB. Free memory was 179.7 MB in the beginning and 177.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 646.63 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 134.2 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1782.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 133.6 MB in the beginning and 87.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 116, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L17] static const double one_modf = 1.0; VAL [\old(one_modf)=4294967302, one_modf=1] [L116] double x = 0.0 / 0.0; VAL [one_modf=1] [L117] double iptr; VAL [iptr={3:0}, one_modf=1] [L118] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=4294967303, iptr={3:0}, one_modf=1] [L20] __int32_t i0, i1, j0; VAL [\old(x)=4294967303, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L21] __uint32_t i; VAL [\old(x)=4294967303, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L23] ieee_double_shape_type ew_u; VAL [\old(x)=4294967303, ew_u={5:0}, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L24] ew_u.value = (x) VAL [\old(x)=4294967303, ew_u={5:0}, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L25] EXPR ew_u.parts.msw VAL [\old(x)=4294967303, ew_u={5:0}, ew_u.parts.msw=4294967295, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L25] (i0) = ew_u.parts.msw VAL [(i0) = ew_u.parts.msw=4294967298, \old(x)=4294967303, ew_u={5:0}, ew_u.parts.msw=4294967295, i0=-1, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L26] EXPR ew_u.parts.lsw VAL [\old(x)=4294967303, ew_u={5:0}, ew_u.parts.lsw=0, i0=-1, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L26] (i1) = ew_u.parts.lsw VAL [\old(x)=4294967303, ew_u={5:0}, ew_u.parts.lsw=0, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, one_modf=1, x=4294967303] [L29] COND TRUE j0 < 20 VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, j0=-1, one_modf=1, x=4294967303] [L30] COND TRUE j0 < 0 VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, j0=-1, one_modf=1, x=4294967303] [L32] ieee_double_shape_type iw_u; VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, iw_u={2:0}, j0=-1, one_modf=1, x=4294967303] [L33] iw_u.parts.msw = (i0 & 0x80000000) VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, iw_u={2:0}, j0=-1, one_modf=1, x=4294967303] [L34] iw_u.parts.lsw = (0) VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, iw_u={2:0}, j0=-1, one_modf=1, x=4294967303] [L35] EXPR iw_u.value VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, iw_u={2:0}, iw_u.value=4294967300, j0=-1, one_modf=1, x=4294967303] [L35] (*iptr) = iw_u.value VAL [\old(x)=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, iw_u={2:0}, iw_u.value=4294967300, j0=-1, one_modf=1, x=4294967303] [L37] return x; VAL [\old(x)=4294967303, \result=4294967303, i0=-1, i1=0, iptr={3:0}, iptr={3:0}, j0=-1, one_modf=1, x=4294967303] [L118] RET, EXPR modf_double(x, &iptr) VAL [iptr={3:0}, modf_double(x, &iptr)=4294967303, one_modf=1, x=4294967303] [L118] double res = modf_double(x, &iptr); VAL [iptr={3:0}, modf_double(x, &iptr)=4294967303, one_modf=1, res=4294967303, x=4294967303] [L121] EXPR \read(iptr) VAL [\read(iptr)=4294967300, iptr={3:0}, one_modf=1, res=4294967303, x=4294967303] [L121] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967300, one_modf=1] [L15] return x != x; VAL [\old(x)=4294967300, \result=1, one_modf=1, x=4294967300] [L121] RET, EXPR isnan_double(iptr) VAL [\read(iptr)=4294967300, iptr={3:0}, isnan_double(iptr)=1, one_modf=1, res=4294967303, x=4294967303] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967300, iptr={3:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=4294967303, x=4294967303] [L121] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967303, one_modf=1] [L15] return x != x; VAL [\old(x)=4294967303, \result=0, one_modf=1, x=4294967303] [L121] RET, EXPR isnan_double(res) VAL [\read(iptr)=4294967300, iptr={3:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967303, x=4294967303] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967300, iptr={3:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967303, x=4294967303] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967300, iptr={3:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=4294967303, x=4294967303] [L122] __VERIFIER_error() VAL [iptr={3:0}, one_modf=1, res=4294967303, x=4294967303] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 186 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 361 SDtfs, 42 SDslu, 354 SDs, 0 SdLazy, 501 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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=186occurred 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, 0.2s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 8209 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...