/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/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:24:27,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:24:27,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:24:27,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:24:27,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:24:27,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:24:27,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:24:27,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:24:27,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:24:27,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:24:27,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:24:27,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:24:27,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:24:27,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:24:27,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:24:27,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:24:27,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:24:27,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:24:27,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:24:27,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:24:27,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:24:27,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:24:27,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:24:27,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:24:27,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:24:27,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:24:27,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:24:27,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:24:27,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:24:27,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:24:27,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:24:27,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:24:27,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:24:27,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:24:27,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:24:27,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:24:27,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:24:27,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:24:27,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:24:27,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:24:27,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:24:27,237 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 15:24:27,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:24:27,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:24:27,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:24:27,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:24:27,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:24:27,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:24:27,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:24:27,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:24:27,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:24:27,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:24:27,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:24:27,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:24:27,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:24:27,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:24:27,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:24:27,268 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:24:27,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:24:27,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:24:27,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:24:27,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:24:27,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:24:27,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:24:27,271 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 15:24:27,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:24:27,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:24:27,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:24:27,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:24:27,573 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:24:27,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-07 15:24:27,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5516b7e19/c441471422c64eaa8e91823e1b147075/FLAG193a41478 [2020-07-07 15:24:28,314 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:24:28,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-07 15:24:28,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5516b7e19/c441471422c64eaa8e91823e1b147075/FLAG193a41478 [2020-07-07 15:24:28,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5516b7e19/c441471422c64eaa8e91823e1b147075 [2020-07-07 15:24:28,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:24:28,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:24:28,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:24:28,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:24:28,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:24:28,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:24:28" (1/1) ... [2020-07-07 15:24:28,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8562bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:28, skipping insertion in model container [2020-07-07 15:24:28,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:24:28" (1/1) ... [2020-07-07 15:24:28,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:24:28,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:24:29,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:24:29,209 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:24:29,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:24:29,340 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:24:29,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29 WrapperNode [2020-07-07 15:24:29,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:24:29,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:24:29,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:24:29,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:24:29,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (1/1) ... [2020-07-07 15:24:29,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:24:29,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:24:29,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:24:29,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:24:29,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (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 15:24:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:24:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:24:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 15:24:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:24:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 15:24:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:24:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:24:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 15:24:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:24:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:24:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:24:30,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:24:30,915 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 15:24:30,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:24:30 BoogieIcfgContainer [2020-07-07 15:24:30,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:24:30,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:24:30,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:24:30,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:24:30,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:24:28" (1/3) ... [2020-07-07 15:24:30,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363b0e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:24:30, skipping insertion in model container [2020-07-07 15:24:30,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:29" (2/3) ... [2020-07-07 15:24:30,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363b0e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:24:30, skipping insertion in model container [2020-07-07 15:24:30,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:24:30" (3/3) ... [2020-07-07 15:24:30,933 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-07-07 15:24:30,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:24:30,952 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:24:30,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:24:30,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:24:30,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:24:30,990 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:24:30,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:24:30,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:24:30,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:24:30,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:24:30,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:24:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-07 15:24:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-07 15:24:31,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:24:31,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:24:31,046 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:24:31,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:24:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash 569136050, now seen corresponding path program 1 times [2020-07-07 15:24:31,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:24:31,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474662763] [2020-07-07 15:24:31,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:24:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:24:31,133 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:24:31,134 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 15:24:31,140 INFO L168 Benchmark]: Toolchain (without parser) took 2590.79 ms. Allocated memory was 146.3 MB in the beginning and 236.5 MB in the end (delta: 90.2 MB). Free memory was 101.4 MB in the beginning and 139.9 MB in the end (delta: -38.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,141 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.02 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 101.2 MB in the beginning and 173.9 MB in the end (delta: -72.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,143 INFO L168 Benchmark]: Boogie Preprocessor took 107.22 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,144 INFO L168 Benchmark]: RCFGBuilder took 1475.48 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.5 MB in the beginning and 159.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,145 INFO L168 Benchmark]: TraceAbstraction took 212.02 ms. Allocated memory is still 236.5 MB. Free memory was 159.6 MB in the beginning and 139.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:24:31,149 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.02 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 101.2 MB in the beginning and 173.9 MB in the end (delta: -72.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.22 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1475.48 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 168.5 MB in the beginning and 159.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212.02 ms. Allocated memory is still 236.5 MB. Free memory was 159.6 MB in the beginning and 139.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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...