/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/double_req_bl_0730b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:22:06,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:22:06,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:22:06,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:22:06,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:22:06,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:22:06,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:22:06,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:22:06,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:22:06,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:22:06,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:22:06,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:22:06,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:22:06,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:22:06,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:22:06,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:22:06,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:22:06,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:22:06,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:22:06,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:22:06,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:22:06,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:22:06,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:22:06,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:22:06,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 15:22:06,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:22:06,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:22:06,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:22:06,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:22:06,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:22:06,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:22:06,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:22:06,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:22:06,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:22:06,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:22:06,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:22:06,145 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 15:22:06,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:22:06,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:22:06,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:22:06,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:22:06,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:22:06,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:22:06,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:22:06,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:22:06,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:22:06,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:22:06,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:22:06,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:22:06,158 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:22:06,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:22:06,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:22:06,159 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:22:06,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:22:06,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:22:06,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:22:06,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:22:06,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:22:06,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:22:06,160 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 15:22:06,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:22:06,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:22:06,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:22:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:22:06,458 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:22:06,459 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-07 15:22:06,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5055ee764/4e934e8d82344bdabb21d54ab41131c1/FLAGe17bb5c19 [2020-07-07 15:22:07,004 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:22:07,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-07 15:22:07,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5055ee764/4e934e8d82344bdabb21d54ab41131c1/FLAGe17bb5c19 [2020-07-07 15:22:07,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5055ee764/4e934e8d82344bdabb21d54ab41131c1 [2020-07-07 15:22:07,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:22:07,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:22:07,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:07,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:22:07,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:22:07,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eee7641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07, skipping insertion in model container [2020-07-07 15:22:07,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:22:07,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:22:07,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:07,639 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:22:07,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:07,818 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:22:07,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07 WrapperNode [2020-07-07 15:22:07,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:07,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:22:07,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:22:07,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:22:07,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (1/1) ... [2020-07-07 15:22:07,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:22:07,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:22:07,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:22:07,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:22:07,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (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 15:22:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:22:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:22:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-07 15:22:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-07 15:22:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-07 15:22:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:22:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:22:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:22:08,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:22:08,570 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-07 15:22:08,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:08 BoogieIcfgContainer [2020-07-07 15:22:08,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:22:08,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:22:08,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:22:08,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:22:08,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:22:07" (1/3) ... [2020-07-07 15:22:08,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44febd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:08, skipping insertion in model container [2020-07-07 15:22:08,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:07" (2/3) ... [2020-07-07 15:22:08,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44febd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:08, skipping insertion in model container [2020-07-07 15:22:08,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:08" (3/3) ... [2020-07-07 15:22:08,586 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2020-07-07 15:22:08,597 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:22:08,606 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:22:08,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:22:08,644 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:22:08,644 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:22:08,644 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:22:08,645 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:22:08,645 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:22:08,645 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:22:08,645 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:22:08,646 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:22:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-07-07 15:22:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-07 15:22:08,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:22:08,679 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] [2020-07-07 15:22:08,680 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:22:08,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:22:08,687 INFO L82 PathProgramCache]: Analyzing trace with hash -641383521, now seen corresponding path program 1 times [2020-07-07 15:22:08,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:22:08,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983109847] [2020-07-07 15:22:08,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:22:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:22:08,740 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:22:08,741 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:22:08,747 INFO L168 Benchmark]: Toolchain (without parser) took 1372.77 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 123.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,748 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.50 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 99.6 MB in the beginning and 174.7 MB in the end (delta: -75.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,751 INFO L168 Benchmark]: Boogie Preprocessor took 77.96 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 172.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,752 INFO L168 Benchmark]: RCFGBuilder took 679.55 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 134.2 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,753 INFO L168 Benchmark]: TraceAbstraction took 166.02 ms. Allocated memory is still 198.7 MB. Free memory was 134.2 MB in the beginning and 123.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:08,757 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 441.50 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 99.6 MB in the beginning and 174.7 MB in the end (delta: -75.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.96 ms. Allocated memory is still 198.7 MB. Free memory was 174.7 MB in the beginning and 172.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 679.55 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 134.2 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 166.02 ms. Allocated memory is still 198.7 MB. Free memory was 134.2 MB in the beginning and 123.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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...