/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/ldv-regression/test24-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:23:40,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:23:40,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:23:40,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:23:40,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:23:40,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:23:40,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:23:40,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:23:40,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:23:40,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:23:40,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:23:40,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:23:40,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:23:40,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:23:40,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:23:40,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:23:40,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:23:40,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:23:40,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:23:40,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:23:40,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:23:40,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:23:40,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:23:40,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:23:40,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:23:40,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:23:40,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:23:40,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:23:40,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:23:40,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:23:40,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:23:40,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:23:40,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:23:40,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:23:40,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:23:40,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:23:40,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:23:40,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:23:40,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:23:40,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:23:40,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:23:40,951 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 15:23:40,967 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:23:40,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:23:40,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:23:40,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:23:40,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:23:40,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:23:40,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:23:40,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:23:40,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:23:40,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:23:40,973 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:23:40,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:23:40,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:23:40,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:23:40,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:23:40,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:23:40,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:23:40,974 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 15:23:41,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:23:41,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:23:41,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:23:41,264 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:23:41,264 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:23:41,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-1.c [2020-07-07 15:23:41,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178a8d64/be7623d210be4cec991340e14c8c4bb1/FLAG167afb47d [2020-07-07 15:23:41,810 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:23:41,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-1.c [2020-07-07 15:23:41,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178a8d64/be7623d210be4cec991340e14c8c4bb1/FLAG167afb47d [2020-07-07 15:23:42,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178a8d64/be7623d210be4cec991340e14c8c4bb1 [2020-07-07 15:23:42,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:23:42,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:23:42,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:42,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:23:42,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:23:42,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8dc332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42, skipping insertion in model container [2020-07-07 15:23:42,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:23:42,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:23:42,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:42,401 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:23:42,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:42,435 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:23:42,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42 WrapperNode [2020-07-07 15:23:42,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:42,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:23:42,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:23:42,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:23:42,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (1/1) ... [2020-07-07 15:23:42,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:23:42,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:23:42,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:23:42,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:23:42,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (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 15:23:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:23:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:23:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-07 15:23:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:23:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:23:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:23:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:23:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:23:42,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:23:42,852 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 15:23:42,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:42 BoogieIcfgContainer [2020-07-07 15:23:42,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:23:42,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:23:42,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:23:42,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:23:42,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:23:42" (1/3) ... [2020-07-07 15:23:42,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7964a3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:42, skipping insertion in model container [2020-07-07 15:23:42,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:42" (2/3) ... [2020-07-07 15:23:42,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7964a3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:42, skipping insertion in model container [2020-07-07 15:23:42,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:42" (3/3) ... [2020-07-07 15:23:42,879 INFO L109 eAbstractionObserver]: Analyzing ICFG test24-1.c [2020-07-07 15:23:42,904 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:23:42,925 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:23:42,950 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:23:42,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:23:42,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:23:42,972 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:23:42,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:23:42,972 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:23:42,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:23:42,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:23:42,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:23:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2020-07-07 15:23:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-07 15:23:42,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:23:43,000 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] [2020-07-07 15:23:43,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:23:43,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:23:43,006 INFO L82 PathProgramCache]: Analyzing trace with hash 606292035, now seen corresponding path program 1 times [2020-07-07 15:23:43,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:23:43,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586626795] [2020-07-07 15:23:43,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:23:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:23:43,075 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:23:43,076 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:23:43,082 INFO L168 Benchmark]: Toolchain (without parser) took 909.49 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 154.0 MB in the end (delta: -50.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,083 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.75 ms. Allocated memory is still 138.9 MB. Free memory was 103.0 MB in the beginning and 92.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,086 INFO L168 Benchmark]: Boogie Preprocessor took 114.39 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.9 MB in the beginning and 180.4 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,087 INFO L168 Benchmark]: RCFGBuilder took 308.67 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 164.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,088 INFO L168 Benchmark]: TraceAbstraction took 217.59 ms. Allocated memory is still 202.9 MB. Free memory was 163.9 MB in the beginning and 154.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:43,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.75 ms. Allocated memory is still 138.9 MB. Free memory was 103.0 MB in the beginning and 92.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.39 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.9 MB in the beginning and 180.4 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.67 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 164.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217.59 ms. Allocated memory is still 202.9 MB. Free memory was 163.9 MB in the beginning and 154.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...