/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_1072d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:22:25,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:22:25,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:22:25,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:22:25,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:22:25,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:22:25,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:22:25,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:22:25,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:22:25,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:22:25,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:22:25,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:22:25,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:22:25,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:22:25,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:22:25,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:22:25,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:22:25,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:22:25,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:22:25,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:22:25,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:22:25,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:22:25,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:22:25,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:22:25,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:22:25,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:22:25,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:22:25,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:22:25,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:22:25,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:22:25,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:22:25,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:22:25,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:22:25,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:22:25,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:22:25,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:22:25,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:22:25,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:22:25,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:22:25,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:22:25,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:22:25,833 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 15:22:25,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:22:25,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:22:25,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:22:25,851 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:22:25,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:22:25,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:22:25,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:22:25,854 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:22:25,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:22:25,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:22:25,855 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:22:25,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:22:25,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:22:25,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:22:25,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:22:25,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:22:25,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:22:25,856 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 15:22:26,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:22:26,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:22:26,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:22:26,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:22:26,160 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:22:26,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072d.c [2020-07-07 15:22:26,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96619e5e7/0229fbec88fb49f78216e51576aab480/FLAGa8e608829 [2020-07-07 15:22:26,663 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:22:26,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1072d.c [2020-07-07 15:22:26,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96619e5e7/0229fbec88fb49f78216e51576aab480/FLAGa8e608829 [2020-07-07 15:22:27,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96619e5e7/0229fbec88fb49f78216e51576aab480 [2020-07-07 15:22:27,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:22:27,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:22:27,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:27,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:22:27,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:22:27,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1714fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27, skipping insertion in model container [2020-07-07 15:22:27,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:22:27,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:22:27,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:27,305 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:22:27,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:27,442 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:22:27,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27 WrapperNode [2020-07-07 15:22:27,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:27,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:22:27,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:22:27,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:22:27,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (1/1) ... [2020-07-07 15:22:27,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:22:27,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:22:27,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:22:27,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:22:27,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (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 15:22:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:22:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:22:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2020-07-07 15:22:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-07 15:22:27,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:22:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:22:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2020-07-07 15:22:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:22:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-07 15:22:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:22:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:22:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:22:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-07 15:22:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-07 15:22:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:22:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:22:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:22:27,976 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:22:27,976 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-07 15:22:27,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:27 BoogieIcfgContainer [2020-07-07 15:22:27,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:22:27,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:22:27,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:22:27,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:22:27,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:22:27" (1/3) ... [2020-07-07 15:22:27,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d623c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:27, skipping insertion in model container [2020-07-07 15:22:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:27" (2/3) ... [2020-07-07 15:22:27,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d623c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:27, skipping insertion in model container [2020-07-07 15:22:27,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:27" (3/3) ... [2020-07-07 15:22:27,989 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d.c [2020-07-07 15:22:28,000 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:22:28,008 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:22:28,022 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:22:28,041 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:22:28,041 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:22:28,041 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:22:28,042 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:22:28,042 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:22:28,042 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:22:28,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:22:28,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:22:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-07-07 15:22:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-07 15:22:28,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:22:28,069 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] [2020-07-07 15:22:28,069 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:22:28,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:22:28,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1005072347, now seen corresponding path program 1 times [2020-07-07 15:22:28,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:22:28,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109480347] [2020-07-07 15:22:28,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:22:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:22:28,127 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:22:28,128 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:22:28,133 INFO L168 Benchmark]: Toolchain (without parser) took 1050.60 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.5 MB in the beginning and 142.9 MB in the end (delta: -40.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,135 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.18 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 180.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,137 INFO L168 Benchmark]: Boogie Preprocessor took 46.22 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 177.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,138 INFO L168 Benchmark]: RCFGBuilder took 491.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 153.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,139 INFO L168 Benchmark]: TraceAbstraction took 148.12 ms. Allocated memory is still 201.3 MB. Free memory was 153.4 MB in the beginning and 142.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:28,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.18 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 180.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.22 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 177.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 491.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.7 MB in the beginning and 153.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 148.12 ms. Allocated memory is still 201.3 MB. Free memory was 153.4 MB in the beginning and 142.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 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...