/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/Problem10_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:24:57,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:24:57,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:24:57,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:24:57,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:24:57,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:24:57,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:24:57,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:24:57,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:24:57,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:24:57,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:24:57,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:24:57,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:24:57,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:24:57,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:24:57,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:24:57,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:24:57,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:24:57,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:24:57,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:24:57,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:24:57,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:24:57,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:24:57,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:24:57,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:24:57,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:24:57,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:24:57,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:24:57,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:24:57,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:24:57,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:24:57,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:24:57,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:24:57,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:24:57,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:24:57,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:24:57,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:24:57,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:24:57,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:24:57,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:24:57,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:24:57,944 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 15:24:57,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:24:57,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:24:57,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:24:57,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:24:57,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:24:57,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:24:57,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:24:57,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:24:57,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:24:57,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:24:57,960 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:24:57,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:24:57,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:24:57,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:24:57,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:24:57,961 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:24:57,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:24:57,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:24:57,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:24:57,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:24:57,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:24:57,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:24:57,963 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 15:24:58,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:24:58,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:24:58,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:24:58,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:24:58,367 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:24:58,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-07-07 15:24:58,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fdef496/d63bcdf808e54b11890bacb949c379cd/FLAG5db1f85d2 [2020-07-07 15:24:58,997 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:24:58,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2020-07-07 15:24:59,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fdef496/d63bcdf808e54b11890bacb949c379cd/FLAG5db1f85d2 [2020-07-07 15:24:59,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fdef496/d63bcdf808e54b11890bacb949c379cd [2020-07-07 15:24:59,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:24:59,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:24:59,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:24:59,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:24:59,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:24:59,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:24:59" (1/1) ... [2020-07-07 15:24:59,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a05f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:24:59, skipping insertion in model container [2020-07-07 15:24:59,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:24:59" (1/1) ... [2020-07-07 15:24:59,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:24:59,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:24:59,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:24:59,907 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:25:00,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:25:00,089 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:25:00,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00 WrapperNode [2020-07-07 15:25:00,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:25:00,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:25:00,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:25:00,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:25:00,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (1/1) ... [2020-07-07 15:25:00,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:25:00,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:25:00,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:25:00,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:25:00,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (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 15:25:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:25:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:25:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 15:25:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:25:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 15:25:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:25:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:25:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 15:25:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:25:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:25:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:25:01,767 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:25:01,767 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 15:25:01,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:25:01 BoogieIcfgContainer [2020-07-07 15:25:01,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:25:01,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:25:01,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:25:01,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:25:01,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:24:59" (1/3) ... [2020-07-07 15:25:01,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaff60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:25:01, skipping insertion in model container [2020-07-07 15:25:01,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:25:00" (2/3) ... [2020-07-07 15:25:01,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aaff60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:25:01, skipping insertion in model container [2020-07-07 15:25:01,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:25:01" (3/3) ... [2020-07-07 15:25:01,785 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2020-07-07 15:25:01,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:25:01,805 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:25:01,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:25:01,845 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:25:01,845 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:25:01,845 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:25:01,845 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:25:01,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:25:01,846 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:25:01,846 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:25:01,846 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:25:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-07-07 15:25:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 15:25:01,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:25:01,884 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] [2020-07-07 15:25:01,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:25:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:25:01,891 INFO L82 PathProgramCache]: Analyzing trace with hash -193504545, now seen corresponding path program 1 times [2020-07-07 15:25:01,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:25:01,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490601606] [2020-07-07 15:25:01,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:25:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:25:01,945 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:25:01,946 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 15:25:01,951 INFO L168 Benchmark]: Toolchain (without parser) took 2642.19 ms. Allocated memory was 146.8 MB in the beginning and 236.5 MB in the end (delta: 89.7 MB). Free memory was 102.7 MB in the beginning and 146.7 MB in the end (delta: -44.0 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,952 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.18 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.5 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,954 INFO L168 Benchmark]: Boogie Preprocessor took 120.18 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,955 INFO L168 Benchmark]: RCFGBuilder took 1564.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 159.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,956 INFO L168 Benchmark]: TraceAbstraction took 172.35 ms. Allocated memory is still 236.5 MB. Free memory was 159.7 MB in the beginning and 146.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:25:01,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.18 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.5 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.18 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1564.78 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 159.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 172.35 ms. Allocated memory is still 236.5 MB. Free memory was 159.7 MB in the beginning and 146.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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...