/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/recursive-simple/afterrec-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:22:47,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:22:47,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:22:47,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:22:47,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:22:47,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:22:47,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:22:47,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:22:47,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:22:47,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:22:47,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:22:47,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:22:47,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:22:47,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:22:47,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:22:47,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:22:47,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:22:47,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:22:47,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:22:47,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:22:47,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:22:47,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:22:47,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:22:47,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:22:47,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:22:47,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:22:47,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:22:47,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:22:47,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:22:47,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:22:47,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:22:47,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:22:47,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:22:47,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:22:47,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:22:47,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:22:47,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:22:47,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:22:47,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:22:47,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:22:47,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:22:47,233 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 15:22:47,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:22:47,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:22:47,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:22:47,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:22:47,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:22:47,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:22:47,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:22:47,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:22:47,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:22:47,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:22:47,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:22:47,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:22:47,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:22:47,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:22:47,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:22:47,253 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:22:47,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:22:47,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:22:47,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:22:47,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:22:47,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:22:47,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:22:47,254 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 15:22:47,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:22:47,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:22:47,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:22:47,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:22:47,528 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:22:47,529 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/afterrec-2.c [2020-07-07 15:22:47,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f17c7b28/5609ca95b4fb477da02b4465b97da760/FLAG505d26999 [2020-07-07 15:22:48,010 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:22:48,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/afterrec-2.c [2020-07-07 15:22:48,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f17c7b28/5609ca95b4fb477da02b4465b97da760/FLAG505d26999 [2020-07-07 15:22:48,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f17c7b28/5609ca95b4fb477da02b4465b97da760 [2020-07-07 15:22:48,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:22:48,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:22:48,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:48,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:22:48,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:22:48,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a24234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48, skipping insertion in model container [2020-07-07 15:22:48,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:22:48,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:22:48,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:48,589 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:22:48,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:22:48,612 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:22:48,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48 WrapperNode [2020-07-07 15:22:48,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:22:48,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:22:48,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:22:48,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:22:48,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (1/1) ... [2020-07-07 15:22:48,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:22:48,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:22:48,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:22:48,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:22:48,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (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 15:22:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:22:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:22:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-07 15:22:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:22:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:22:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-07 15:22:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:22:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:22:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:22:48,929 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:22:48,929 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:22:48,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:48 BoogieIcfgContainer [2020-07-07 15:22:48,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:22:48,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:22:48,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:22:48,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:22:48,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:22:48" (1/3) ... [2020-07-07 15:22:48,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68146bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:48, skipping insertion in model container [2020-07-07 15:22:48,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:22:48" (2/3) ... [2020-07-07 15:22:48,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68146bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:22:48, skipping insertion in model container [2020-07-07 15:22:48,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:22:48" (3/3) ... [2020-07-07 15:22:48,943 INFO L109 eAbstractionObserver]: Analyzing ICFG afterrec-2.c [2020-07-07 15:22:48,954 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:22:48,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:22:48,977 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:22:49,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:22:49,000 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:22:49,000 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:22:49,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:22:49,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:22:49,001 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:22:49,001 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:22:49,001 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:22:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-07 15:22:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-07 15:22:49,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:22:49,028 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:22:49,028 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:22:49,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:22:49,036 INFO L82 PathProgramCache]: Analyzing trace with hash -611063963, now seen corresponding path program 1 times [2020-07-07 15:22:49,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:22:49,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44449001] [2020-07-07 15:22:49,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:22:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:22:49,095 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:22:49,096 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:22:49,105 INFO L168 Benchmark]: Toolchain (without parser) took 676.63 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 104.0 MB in the beginning and 165.3 MB in the end (delta: -61.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 15:22:49,107 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 15:22:49,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:49,112 INFO L168 Benchmark]: Boogie Preprocessor took 20.19 ms. Allocated memory is still 146.3 MB. Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:49,115 INFO L168 Benchmark]: RCFGBuilder took 300.33 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 93.4 MB in the beginning and 174.5 MB in the end (delta: -81.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:49,116 INFO L168 Benchmark]: TraceAbstraction took 164.43 ms. Allocated memory is still 205.0 MB. Free memory was 173.9 MB in the beginning and 165.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:22:49,127 INFO L336 ainManager$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 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.19 ms. Allocated memory is still 146.3 MB. Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.33 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 93.4 MB in the beginning and 174.5 MB in the end (delta: -81.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 164.43 ms. Allocated memory is still 205.0 MB. Free memory was 173.9 MB in the beginning and 165.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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...