/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 21:44:37,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 21:44:37,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 21:44:37,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 21:44:37,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 21:44:37,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 21:44:37,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 21:44:37,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 21:44:37,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 21:44:37,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 21:44:37,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 21:44:37,903 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 21:44:37,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 21:44:37,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 21:44:37,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 21:44:37,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 21:44:37,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 21:44:37,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 21:44:37,905 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 21:44:37,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 21:44:37,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 21:44:37,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 21:44:37,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 21:44:37,907 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 21:44:37,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 21:44:37,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 21:44:37,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 21:44:37,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 21:44:37,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 21:44:37,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 21:44:37,909 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 21:44:38,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 21:44:38,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 21:44:38,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 21:44:38,331 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 21:44:38,337 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 21:44:38,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-10-23 21:44:38,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cc4b0bc/9033907d78284132bb041d0a8bcfc119/FLAG4cfbf8d49 [2020-10-23 21:44:39,127 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 21:44:39,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/rangesum05.i [2020-10-23 21:44:39,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cc4b0bc/9033907d78284132bb041d0a8bcfc119/FLAG4cfbf8d49 [2020-10-23 21:44:39,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cc4b0bc/9033907d78284132bb041d0a8bcfc119 [2020-10-23 21:44:39,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 21:44:39,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 21:44:39,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 21:44:39,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 21:44:39,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 21:44:39,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122f16a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39, skipping insertion in model container [2020-10-23 21:44:39,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 21:44:39,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 21:44:39,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 21:44:39,740 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 21:44:39,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 21:44:39,785 INFO L208 MainTranslator]: Completed translation [2020-10-23 21:44:39,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39 WrapperNode [2020-10-23 21:44:39,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 21:44:39,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 21:44:39,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 21:44:39,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 21:44:39,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (1/1) ... [2020-10-23 21:44:39,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 21:44:39,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 21:44:39,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 21:44:39,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 21:44:39,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (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 [2020-10-23 21:44:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 21:44:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 21:44:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 21:44:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2020-10-23 21:44:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-10-23 21:44:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 21:44:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 21:44:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 21:44:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2020-10-23 21:44:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 21:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-10-23 21:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 21:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 21:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 21:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 21:44:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 21:44:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 21:44:40,384 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 21:44:40,385 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-23 21:44:40,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:44:40 BoogieIcfgContainer [2020-10-23 21:44:40,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 21:44:40,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 21:44:40,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 21:44:40,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 21:44:40,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:44:39" (1/3) ... [2020-10-23 21:44:40,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b952e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:44:40, skipping insertion in model container [2020-10-23 21:44:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:44:39" (2/3) ... [2020-10-23 21:44:40,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b952e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:44:40, skipping insertion in model container [2020-10-23 21:44:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:44:40" (3/3) ... [2020-10-23 21:44:40,398 INFO L111 eAbstractionObserver]: Analyzing ICFG rangesum05.i [2020-10-23 21:44:40,412 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 21:44:40,419 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 21:44:40,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 21:44:40,462 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 21:44:40,462 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 21:44:40,463 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 21:44:40,463 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 21:44:40,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 21:44:40,463 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 21:44:40,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 21:44:40,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 21:44:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-10-23 21:44:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-23 21:44:40,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:44:40,505 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 21:44:40,505 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:44:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:44:40,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2144454122, now seen corresponding path program 1 times [2020-10-23 21:44:40,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:44:40,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777332524] [2020-10-23 21:44:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:44:40,628 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:44:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:44:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:44:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:44:40,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 21:44:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:44:40,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-23 21:44:40,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777332524] [2020-10-23 21:44:40,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:44:40,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2020-10-23 21:44:40,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911085745] [2020-10-23 21:44:40,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-23 21:44:40,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:44:40,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-23 21:44:40,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 21:44:40,928 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 37 states. [2020-10-23 21:44:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-23 21:44:40,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 21:44:40,945 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: at least one of both input predicates is unknown: 98#true or 128#unknown at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$CoverageRelation.isCovered(PredicateUnifier.java:593) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.SdHoareTripleChecker$CheckHelper.check(SdHoareTripleChecker.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.SdHoareTripleChecker.checkCall(SdHoareTripleChecker.java:73) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkCall(EfficientHoareTripleChecker.java:72) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkCall(CachingHoareTripleChecker.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$CallSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.callSuccessors(TotalizeNwa.java:260) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.callSuccessors(ComplementDeterministicNwa.java:131) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:252) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:244) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addCallsAndSuccessors(NestedWordAutomatonReachableStates.java:1087) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:967) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) 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:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-23 21:44:40,955 INFO L168 Benchmark]: Toolchain (without parser) took 1455.57 ms. Allocated memory is still 153.1 MB. Free memory was 129.4 MB in the beginning and 108.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. [2020-10-23 21:44:40,959 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 127.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 21:44:40,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.85 ms. Allocated memory is still 153.1 MB. Free memory was 128.8 MB in the beginning and 119.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 21:44:40,964 INFO L168 Benchmark]: Boogie Preprocessor took 46.12 ms. Allocated memory is still 153.1 MB. Free memory was 119.0 MB in the beginning and 117.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 21:44:40,966 INFO L168 Benchmark]: RCFGBuilder took 553.01 ms. Allocated memory is still 153.1 MB. Free memory was 117.3 MB in the beginning and 129.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. [2020-10-23 21:44:40,967 INFO L168 Benchmark]: TraceAbstraction took 561.96 ms. Allocated memory is still 153.1 MB. Free memory was 129.0 MB in the beginning and 108.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 21:44:40,979 INFO L339 ainManager$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 153.1 MB. Free memory was 127.6 MB in the beginning and 127.5 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 278.85 ms. Allocated memory is still 153.1 MB. Free memory was 128.8 MB in the beginning and 119.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.12 ms. Allocated memory is still 153.1 MB. Free memory was 119.0 MB in the beginning and 117.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 553.01 ms. Allocated memory is still 153.1 MB. Free memory was 117.3 MB in the beginning and 129.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 561.96 ms. Allocated memory is still 153.1 MB. Free memory was 129.0 MB in the beginning and 108.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: at least one of both input predicates is unknown: 98#true or 128#unknown de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: at least one of both input predicates is unknown: 98#true or 128#unknown: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$CoverageRelation.isCovered(PredicateUnifier.java:593) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...