/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:46:59,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:46:59,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:46:59,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 23:46:59,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 23:46:59,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 23:46:59,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 23:46:59,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 23:46:59,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 23:46:59,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 23:46:59,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 23:46:59,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 23:46:59,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:46:59,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:46:59,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:46:59,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:46:59,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:46:59,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:46:59,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:46:59,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:46:59,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:46:59,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:46:59,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:46:59,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:46:59,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:47:00,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:47:00,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:47:00,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:47:00,010 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 [2020-07-19 23:47:00,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:47:00,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:47:00,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:47:00,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:47:00,035 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:47:00,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:47:00,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:47:00,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:47:00,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:47:00,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:47:00,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:47:00,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:47:00,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:47:00,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:47:00,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:47:00,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:47:00,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:47:00,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:47:00,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:47:00,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:47:00,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:47:00,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:47:00,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:47:00,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:47:00,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:47:00,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:47:00,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:47:00,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:47:00,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:47:00,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:47:00,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:47:00,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:47:00,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:47:00,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:47:00,369 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:47:00,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2020-07-19 23:47:00,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddcbbb54/80dab05f5ede4710ae75c97b1badf436/FLAG44a9b6a97 [2020-07-19 23:47:00,875 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:47:00,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2020-07-19 23:47:00,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddcbbb54/80dab05f5ede4710ae75c97b1badf436/FLAG44a9b6a97 [2020-07-19 23:47:01,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ddcbbb54/80dab05f5ede4710ae75c97b1badf436 [2020-07-19 23:47:01,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:47:01,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:47:01,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:47:01,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:47:01,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:47:01,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541fe02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01, skipping insertion in model container [2020-07-19 23:47:01,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:47:01,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:47:01,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:47:01,517 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:47:01,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:47:01,545 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:47:01,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01 WrapperNode [2020-07-19 23:47:01,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:47:01,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:47:01,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:47:01,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:47:01,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (1/1) ... [2020-07-19 23:47:01,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:47:01,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:47:01,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:47:01,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:47:01,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (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 [2020-07-19 23:47:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:47:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:47:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-19 23:47:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:47:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:47:01,895 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:47:01,895 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:47:01,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:47:01 BoogieIcfgContainer [2020-07-19 23:47:01,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:47:01,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:47:01,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:47:01,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:47:01,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:47:01" (1/3) ... [2020-07-19 23:47:01,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c54d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:47:01, skipping insertion in model container [2020-07-19 23:47:01,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:47:01" (2/3) ... [2020-07-19 23:47:01,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c54d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:47:01, skipping insertion in model container [2020-07-19 23:47:01,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:47:01" (3/3) ... [2020-07-19 23:47:01,906 INFO L109 eAbstractionObserver]: Analyzing ICFG const.c [2020-07-19 23:47:01,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:47:01,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:47:01,933 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:47:01,955 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:47:01,955 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:47:01,955 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:47:01,955 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:47:01,955 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:47:01,956 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:47:01,956 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:47:01,956 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:47:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-07-19 23:47:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-19 23:47:01,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:47:01,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:47:01,977 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:47:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:47:01,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1311776583, now seen corresponding path program 1 times [2020-07-19 23:47:01,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:47:01,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036209233] [2020-07-19 23:47:01,990 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@65f3aadd [2020-07-19 23:47:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:47:02,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:47:02,121 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Asserted terms must be closed at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:665) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkFinalInterpolants(InterpolantChecker.java:423) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:218) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) 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:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) 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) [2020-07-19 23:47:02,128 INFO L168 Benchmark]: Toolchain (without parser) took 808.27 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 155.2 MB in the end (delta: -53.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,130 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.45 ms. Allocated memory is still 142.6 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,132 INFO L168 Benchmark]: Boogie Preprocessor took 112.82 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 91.4 MB in the beginning and 180.3 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,133 INFO L168 Benchmark]: RCFGBuilder took 239.22 ms. Allocated memory is still 200.3 MB. Free memory was 180.3 MB in the beginning and 167.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,134 INFO L168 Benchmark]: TraceAbstraction took 225.42 ms. Allocated memory is still 200.3 MB. Free memory was 167.5 MB in the beginning and 155.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:47:02,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.45 ms. Allocated memory is still 142.6 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.82 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 91.4 MB in the beginning and 180.3 MB in the end (delta: -88.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.22 ms. Allocated memory is still 200.3 MB. Free memory was 180.3 MB in the beginning and 167.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225.42 ms. Allocated memory is still 200.3 MB. Free memory was 167.5 MB in the beginning and 155.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Asserted terms must be closed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Asserted terms must be closed: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.assertTerm(SMTInterpol.java:665) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...