/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:36:01,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:36:01,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:36:02,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:36:02,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:36:02,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:36:02,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:36:02,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:36:02,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:36:02,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:36:02,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:36:02,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:36:02,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:36:02,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:36:02,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:36:02,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:36:02,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:36:02,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:36:02,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:36:02,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:36:02,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:36:02,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:36:02,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:36:02,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:36:02,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:36:02,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:36:02,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:36:02,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:36:02,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:36:02,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:36:02,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:36:02,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:36:02,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:36:02,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:36:02,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:36:02,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:36:02,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:36:02,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:36:02,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:36:02,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:36:02,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:36:02,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:36:02,093 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:36:02,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:36:02,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:36:02,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:36:02,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:36:02,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:36:02,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:36:02,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:36:02,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:36:02,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:36:02,100 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:36:02,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:36:02,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:36:02,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:36:02,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:36:02,103 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:36:02,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:36:02,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:36:02,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:36:02,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:36:02,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:36:02,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:36:02,106 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:36:02,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:36:02,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:36:02,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:36:02,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:36:02,430 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:36:02,431 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-07-10 18:36:02,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7538c28e/e5e07fdbda5a4c2c922d745596c67c39/FLAGddc7ae31d [2020-07-10 18:36:02,940 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:36:02,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension2-1.c [2020-07-10 18:36:02,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7538c28e/e5e07fdbda5a4c2c922d745596c67c39/FLAGddc7ae31d [2020-07-10 18:36:03,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7538c28e/e5e07fdbda5a4c2c922d745596c67c39 [2020-07-10 18:36:03,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:36:03,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:36:03,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:03,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:36:03,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:36:03,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374e8111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03, skipping insertion in model container [2020-07-10 18:36:03,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:36:03,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:36:03,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:03,535 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:36:03,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:03,568 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:36:03,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03 WrapperNode [2020-07-10 18:36:03,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:03,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:36:03,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:36:03,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:36:03,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (1/1) ... [2020-07-10 18:36:03,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:36:03,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:36:03,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:36:03,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:36:03,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (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 [2020-07-10 18:36:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:36:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:36:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:36:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:36:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:36:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:36:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:36:03,947 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:36:03,947 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:36:03,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:03 BoogieIcfgContainer [2020-07-10 18:36:03,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:36:03,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:36:03,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:36:03,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:36:03,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:36:03" (1/3) ... [2020-07-10 18:36:03,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b3f3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:03, skipping insertion in model container [2020-07-10 18:36:03,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:03" (2/3) ... [2020-07-10 18:36:03,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b3f3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:03, skipping insertion in model container [2020-07-10 18:36:03,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:03" (3/3) ... [2020-07-10 18:36:03,965 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension2-1.c [2020-07-10 18:36:03,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:36:03,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:36:04,018 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:36:04,041 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:36:04,041 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:36:04,041 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:36:04,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:36:04,042 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:36:04,042 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:36:04,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:36:04,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:36:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-10 18:36:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-10 18:36:04,065 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:36:04,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:36:04,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:36:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:36:04,072 INFO L82 PathProgramCache]: Analyzing trace with hash 200623931, now seen corresponding path program 1 times [2020-07-10 18:36:04,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:36:04,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636164317] [2020-07-10 18:36:04,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:36:04,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:36:04,218 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.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) 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) [2020-07-10 18:36:04,224 INFO L168 Benchmark]: Toolchain (without parser) took 887.78 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 104.5 MB in the beginning and 155.0 MB in the end (delta: -50.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:04,225 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 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. [2020-07-10 18:36:04,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.15 ms. Allocated memory is still 145.2 MB. Free memory was 104.3 MB in the beginning and 94.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:04,227 INFO L168 Benchmark]: Boogie Preprocessor took 28.46 ms. Allocated memory is still 145.2 MB. Free memory was 94.3 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:04,228 INFO L168 Benchmark]: RCFGBuilder took 356.06 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 93.0 MB in the beginning and 167.5 MB in the end (delta: -74.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:04,229 INFO L168 Benchmark]: TraceAbstraction took 264.53 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 155.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:04,232 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 0.97 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 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 233.15 ms. Allocated memory is still 145.2 MB. Free memory was 104.3 MB in the beginning and 94.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.46 ms. Allocated memory is still 145.2 MB. Free memory was 94.3 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.06 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 93.0 MB in the beginning and 167.5 MB in the end (delta: -74.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264.53 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 155.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...