/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:22:29,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:22:29,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:22:29,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:22:29,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:22:29,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:22:29,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:22:29,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:22:29,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:22:29,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:22:29,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:22:29,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:22:29,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:22:29,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:22:29,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:22:29,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:22:29,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:22:29,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:22:29,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:22:29,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:22:29,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:22:29,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:22:29,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:22:29,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:22:29,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:22:29,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:22:29,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:22:29,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:22:29,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:22:29,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:22:29,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:22:29,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:22:29,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:22:29,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:22:29,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:22:29,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:22:29,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:22:29,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:22:29,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:22:29,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:22:29,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:22:29,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:22:29,165 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:22:29,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:22:29,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:22:29,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:22:29,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:22:29,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:22:29,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:22:29,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:22:29,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:22:29,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:22:29,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:22:29,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:22:29,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:22:29,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:22:29,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:22:29,173 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:22:29,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:22:29,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:22:29,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:22:29,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:22:29,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:22:29,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:22:29,179 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 [2020-07-07 15:22:29,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:22:29,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:22:29,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:22:29,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:22:29,527 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:22:29,528 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2020-07-07 15:22:29,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7bfc33f/8a495df565324d199975d27761e1f299/FLAGee9edd305 [2020-07-07 15:22:30,049 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:22:30,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2020-07-07 15:22:30,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7bfc33f/8a495df565324d199975d27761e1f299/FLAGee9edd305 [2020-07-07 15:22:30,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7bfc33f/8a495df565324d199975d27761e1f299 [2020-07-07 15:22:30,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:22:30,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:22:30,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:30,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:22:30,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:22:30,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:30" (1/1) ... [2020-07-07 15:22:30,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ba46e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:30, skipping insertion in model container [2020-07-07 15:22:30,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:30" (1/1) ... [2020-07-07 15:22:30,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:22:30,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:22:30,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:30,790 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:22:30,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:31,003 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:22:31,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31 WrapperNode [2020-07-07 15:22:31,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:31,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:22:31,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:22:31,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:22:31,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (1/1) ... [2020-07-07 15:22:31,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:22:31,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:22:31,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:22:31,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:22:31,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (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 [2020-07-07 15:22:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:22:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:22:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2020-07-07 15:22:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-07 15:22:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-07 15:22:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:22:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:22:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-07 15:22:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2020-07-07 15:22:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:22:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-07 15:22:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-07 15:22:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:22:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-07 15:22:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:22:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:22:31,684 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:22:31,685 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-07-07 15:22:31,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:31 BoogieIcfgContainer [2020-07-07 15:22:31,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:22:31,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:22:31,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:22:31,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:22:31,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:22:30" (1/3) ... [2020-07-07 15:22:31,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b6d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:31, skipping insertion in model container [2020-07-07 15:22:31,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:31" (2/3) ... [2020-07-07 15:22:31,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b6d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:31, skipping insertion in model container [2020-07-07 15:22:31,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:31" (3/3) ... [2020-07-07 15:22:31,700 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211b.c [2020-07-07 15:22:31,712 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:22:31,720 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:22:31,736 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:22:31,760 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:22:31,760 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:22:31,760 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:22:31,761 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:22:31,761 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:22:31,761 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:22:31,761 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:22:31,762 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:22:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-07-07 15:22:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 15:22:31,797 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:22:31,798 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] [2020-07-07 15:22:31,799 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:22:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:22:31,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1432903932, now seen corresponding path program 1 times [2020-07-07 15:22:31,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:22:31,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678015362] [2020-07-07 15:22:31,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:22:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:22:31,866 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:22:31,867 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:22:31,873 INFO L168 Benchmark]: Toolchain (without parser) took 1409.06 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 127.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,874 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 179.4 MB in the end (delta: -77.0 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,876 INFO L168 Benchmark]: Boogie Preprocessor took 53.98 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 177.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,877 INFO L168 Benchmark]: RCFGBuilder took 632.15 ms. Allocated memory is still 202.9 MB. Free memory was 176.7 MB in the beginning and 139.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,878 INFO L168 Benchmark]: TraceAbstraction took 177.18 ms. Allocated memory is still 202.9 MB. Free memory was 139.1 MB in the beginning and 127.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:31,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 540.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 179.4 MB in the end (delta: -77.0 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.98 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 177.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 632.15 ms. Allocated memory is still 202.9 MB. Free memory was 176.7 MB in the beginning and 139.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 177.18 ms. Allocated memory is still 202.9 MB. Free memory was 139.1 MB in the beginning and 127.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...