/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/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:46:37,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:46:37,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:46:37,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:46:37,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:46:37,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:46:37,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:46:37,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:46:37,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:46:37,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:46:37,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:46:37,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:46:37,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:46:37,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:46:37,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:46:37,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:46:37,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:46:37,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:46:37,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:46:37,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:46:37,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:46:37,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:46:37,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:46:37,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:46:37,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:46:37,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 12:46:37,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 12:46:37,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 12:46:37,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 12:46:37,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 12:46:37,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 12:46:37,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 12:46:37,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 12:46:37,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:46:37,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:46:37,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:46:37,404 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 12:46:37,420 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:46:37,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:46:37,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:46:37,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:46:37,424 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:46:37,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:46:37,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:46:37,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:46:37,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:46:37,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:46:37,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:46:37,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:46:37,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:46:37,426 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:46:37,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:46:37,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:46:37,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:46:37,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:46:37,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:46:37,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:46:37,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:46:37,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:46:37,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:46:37,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:46:37,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:46:37,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:46:37,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:46:37,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:46:37,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:46:37,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:46:37,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:46:37,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:46:37,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:46:37,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:46:37,793 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:46:37,793 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-07-08 12:46:37,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee23e91/36632399e7ac4c618588c052363ea405/FLAG7ca65106d [2020-07-08 12:46:38,534 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:46:38,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-07-08 12:46:38,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee23e91/36632399e7ac4c618588c052363ea405/FLAG7ca65106d [2020-07-08 12:46:38,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ee23e91/36632399e7ac4c618588c052363ea405 [2020-07-08 12:46:38,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:46:38,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:46:38,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:46:38,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:46:38,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:46:38,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:46:38" (1/1) ... [2020-07-08 12:46:38,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6f76f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:38, skipping insertion in model container [2020-07-08 12:46:38,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:46:38" (1/1) ... [2020-07-08 12:46:38,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:46:38,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:46:39,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:46:39,231 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:46:39,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:46:39,297 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:46:39,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39 WrapperNode [2020-07-08 12:46:39,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:46:39,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:46:39,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:46:39,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:46:39,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (1/1) ... [2020-07-08 12:46:39,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:46:39,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:46:39,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:46:39,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:46:39,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (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 [2020-07-08 12:46:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:46:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:46:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 12:46:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:46:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:46:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 12:46:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 12:46:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:46:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-08 12:46:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:46:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 12:46:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 12:46:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 12:46:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:46:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:46:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 12:46:40,152 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:46:40,152 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:46:40,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:46:40 BoogieIcfgContainer [2020-07-08 12:46:40,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:46:40,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:46:40,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:46:40,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:46:40,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:46:38" (1/3) ... [2020-07-08 12:46:40,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dffc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:46:40, skipping insertion in model container [2020-07-08 12:46:40,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:46:39" (2/3) ... [2020-07-08 12:46:40,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dffc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:46:40, skipping insertion in model container [2020-07-08 12:46:40,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:46:40" (3/3) ... [2020-07-08 12:46:40,178 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-07-08 12:46:40,194 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:46:40,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-08 12:46:40,228 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-08 12:46:40,269 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:46:40,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:46:40,269 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:46:40,270 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:46:40,270 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:46:40,270 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:46:40,271 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:46:40,271 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:46:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-07-08 12:46:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-08 12:46:40,325 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:46:40,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:46:40,328 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:46:40,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:46:40,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1504353719, now seen corresponding path program 1 times [2020-07-08 12:46:40,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:46:40,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153855426] [2020-07-08 12:46:40,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:46:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:46:40,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:46:40,786 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 12:46:40,799 INFO L168 Benchmark]: Toolchain (without parser) took 1945.26 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 98.9 MB in the beginning and 129.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,800 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.65 ms. Allocated memory is still 134.2 MB. Free memory was 98.7 MB in the beginning and 86.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,803 INFO L168 Benchmark]: Boogie Preprocessor took 168.97 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 86.8 MB in the beginning and 176.8 MB in the end (delta: -90.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,805 INFO L168 Benchmark]: RCFGBuilder took 698.07 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 148.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,806 INFO L168 Benchmark]: TraceAbstraction took 625.69 ms. Allocated memory is still 199.8 MB. Free memory was 147.5 MB in the beginning and 129.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:46:40,811 INFO L336 ainManager$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 0.19 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.65 ms. Allocated memory is still 134.2 MB. Free memory was 98.7 MB in the beginning and 86.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.97 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 86.8 MB in the beginning and 176.8 MB in the end (delta: -90.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.07 ms. Allocated memory is still 199.8 MB. Free memory was 176.8 MB in the beginning and 148.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 625.69 ms. Allocated memory is still 199.8 MB. Free memory was 147.5 MB in the beginning and 129.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 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...