/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 14:05:33,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:05:33,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:05:33,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:05:33,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:05:33,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:05:33,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:05:33,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:05:33,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:05:33,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:05:33,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:05:33,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:05:33,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:05:33,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:05:33,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:05:33,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:05:33,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:05:33,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:05:33,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:05:33,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:05:33,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:05:33,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:05:33,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:05:33,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:05:33,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 14:05:33,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:05:33,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:05:33,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:05:33,187 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 14:05:33,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:05:33,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:05:33,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:05:33,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:05:33,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:05:33,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:05:33,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:05:33,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:05:33,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:05:33,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:05:33,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:05:33,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:05:33,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:05:33,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:05:33,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:05:33,205 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:05:33,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:05:33,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:05:33,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:05:33,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:05:33,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:05:33,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:05:33,207 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:05:33,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:05:33,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:05:33,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:05:33,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:05:33,552 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:05:33,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2020-07-07 14:05:33,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c9e58f5/c2df9841448a4ca6be032c06c6ac8ae8/FLAG9babc0df5 [2020-07-07 14:05:34,253 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:05:34,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested5-1.c [2020-07-07 14:05:34,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c9e58f5/c2df9841448a4ca6be032c06c6ac8ae8/FLAG9babc0df5 [2020-07-07 14:05:34,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c9e58f5/c2df9841448a4ca6be032c06c6ac8ae8 [2020-07-07 14:05:34,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:05:34,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:05:34,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:05:34,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:05:34,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:05:34,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161b7128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34, skipping insertion in model container [2020-07-07 14:05:34,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:05:34,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:05:34,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:05:34,799 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:05:34,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:05:34,840 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:05:34,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34 WrapperNode [2020-07-07 14:05:34,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:05:34,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:05:34,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:05:34,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:05:34,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (1/1) ... [2020-07-07 14:05:34,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:05:34,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:05:34,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:05:34,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:05:34,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (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 14:05:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:05:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:05:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 14:05:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:05:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:05:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 14:05:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:05:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:05:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:05:35,373 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:05:35,373 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 14:05:35,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:05:35 BoogieIcfgContainer [2020-07-07 14:05:35,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:05:35,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:05:35,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:05:35,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:05:35,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:05:34" (1/3) ... [2020-07-07 14:05:35,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fdfb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:05:35, skipping insertion in model container [2020-07-07 14:05:35,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:05:34" (2/3) ... [2020-07-07 14:05:35,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fdfb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:05:35, skipping insertion in model container [2020-07-07 14:05:35,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:05:35" (3/3) ... [2020-07-07 14:05:35,397 INFO L109 eAbstractionObserver]: Analyzing ICFG nested5-1.c [2020-07-07 14:05:35,416 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:05:35,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:05:35,454 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:05:35,491 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:05:35,492 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:05:35,492 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:05:35,492 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:05:35,492 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:05:35,493 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:05:35,493 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:05:35,494 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:05:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-07-07 14:05:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-07 14:05:35,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:05:35,535 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] [2020-07-07 14:05:35,536 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:05:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:05:35,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1562147583, now seen corresponding path program 1 times [2020-07-07 14:05:35,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:05:35,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164554850] [2020-07-07 14:05:35,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:05:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:05:35,841 ERROR L253 erpolLogProxyWrapper]: Interpolant 17 not inductive [2020-07-07 14:05:35,851 ERROR L276 FreeRefinementEngine]: Caught unknown exception: generated interpolants did not pass sanity check [2020-07-07 14:05:35,851 WARN L341 FreeRefinementEngine]: Global settings require throwing the following exception [2020-07-07 14:05:35,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:05:35,853 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:222) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:884) 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 14:05:35,862 INFO L168 Benchmark]: Toolchain (without parser) took 1301.41 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.5 MB in the beginning and 152.7 MB in the end (delta: -49.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,865 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.40 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,868 INFO L168 Benchmark]: Boogie Preprocessor took 44.05 ms. Allocated memory is still 138.4 MB. Free memory was 93.2 MB in the beginning and 91.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,869 INFO L168 Benchmark]: RCFGBuilder took 497.16 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 91.7 MB in the beginning and 168.3 MB in the end (delta: -76.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,871 INFO L168 Benchmark]: TraceAbstraction took 471.97 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 152.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2020-07-07 14:05:35,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 138.4 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.40 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.05 ms. Allocated memory is still 138.4 MB. Free memory was 93.2 MB in the beginning and 91.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 497.16 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 91.7 MB in the beginning and 168.3 MB in the end (delta: -76.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 471.97 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 152.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...