/usr/bin/java -ea -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:45:53,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:45:53,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:45:53,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:45:53,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:45:53,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:45:53,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:45:53,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:45:53,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:45:53,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:45:53,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:45:53,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:45:53,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:45:53,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:45:53,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:45:53,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:45:53,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:45:53,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:45:53,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:45:53,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:45:53,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:45:53,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:45:53,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:45:53,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:45:53,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 12:45:53,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 12:45:53,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 12:45:53,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 12:45:53,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 12:45:53,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 12:45:53,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 12:45:53,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 12:45:53,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 12:45:53,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 12:45:53,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 12:45:53,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 12:45:53,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 12:45:53,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 12:45:53,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:45:53,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:45:53,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:45:53,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 12:45:53,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:45:53,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:45:53,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:45:53,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:45:53,548 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:45:53,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:45:53,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:45:53,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:45:53,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:45:53,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:45:53,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:45:53,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:45:53,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:45:53,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:45:53,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:45:53,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:45:53,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:45:53,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:45:53,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:45:53,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:45:53,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:45:53,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:45:53,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:45:53,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:45:53,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:45:53,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:45:53,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:45:53,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:45:53,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:45:53,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:45:53,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:45:53,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:45:53,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:45:53,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:45:53,854 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:45:53,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2020-07-08 12:45:53,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a29719d2/1b602ac83821493cad2f6ae48a26cd42/FLAGeb7d161e9 [2020-07-08 12:45:54,398 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:45:54,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2020-07-08 12:45:54,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a29719d2/1b602ac83821493cad2f6ae48a26cd42/FLAGeb7d161e9 [2020-07-08 12:45:54,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a29719d2/1b602ac83821493cad2f6ae48a26cd42 [2020-07-08 12:45:54,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:45:54,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:45:54,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:45:54,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:45:54,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:45:54,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:45:54" (1/1) ... [2020-07-08 12:45:54,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4b5cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:54, skipping insertion in model container [2020-07-08 12:45:54,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:45:54" (1/1) ... [2020-07-08 12:45:54,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:45:54,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:45:55,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:45:55,010 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:45:55,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:45:55,041 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:45:55,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55 WrapperNode [2020-07-08 12:45:55,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:45:55,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:45:55,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:45:55,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:45:55,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (1/1) ... [2020-07-08 12:45:55,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:45:55,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:45:55,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:45:55,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:45:55,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (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 [2020-07-08 12:45:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:45:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:45:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 12:45:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:45:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:45:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:45:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-08 12:45:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:45:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:45:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:45:55,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:45:55,444 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 12:45:55,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:45:55 BoogieIcfgContainer [2020-07-08 12:45:55,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:45:55,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:45:55,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:45:55,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:45:55,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:45:54" (1/3) ... [2020-07-08 12:45:55,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:45:55, skipping insertion in model container [2020-07-08 12:45:55,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:45:55" (2/3) ... [2020-07-08 12:45:55,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4b0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:45:55, skipping insertion in model container [2020-07-08 12:45:55,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:45:55" (3/3) ... [2020-07-08 12:45:55,456 INFO L109 eAbstractionObserver]: Analyzing ICFG sum03-2.i [2020-07-08 12:45:55,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:45:55,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:45:55,491 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:45:55,535 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:45:55,536 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:45:55,536 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:45:55,536 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:45:55,537 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:45:55,537 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:45:55,537 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:45:55,537 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:45:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-08 12:45:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-08 12:45:55,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:45:55,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:45:55,572 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:45:55,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:45:55,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2020-07-08 12:45:55,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:45:55,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476487674] [2020-07-08 12:45:55,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:45:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:45:55,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:45:55,769 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:799) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:883) 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.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 12:45:55,776 INFO L168 Benchmark]: Toolchain (without parser) took 971.10 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 98.8 MB in the beginning and 151.2 MB in the end (delta: -52.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,777 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.38 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 88.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,780 INFO L168 Benchmark]: Boogie Preprocessor took 110.62 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 178.8 MB in the end (delta: -89.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,781 INFO L168 Benchmark]: RCFGBuilder took 294.99 ms. Allocated memory is still 199.8 MB. Free memory was 178.8 MB in the beginning and 163.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,782 INFO L168 Benchmark]: TraceAbstraction took 323.17 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 151.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-07-08 12:45:55,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.38 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 88.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.62 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.9 MB in the beginning and 178.8 MB in the end (delta: -89.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.99 ms. Allocated memory is still 199.8 MB. Free memory was 178.8 MB in the beginning and 163.9 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 323.17 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 151.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...