/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/sum_non_eq-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:59:47,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:59:47,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:59:47,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:59:47,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:59:47,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:59:47,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:59:47,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:59:47,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:59:47,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:59:47,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:59:47,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:59:47,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:59:47,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:59:47,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:59:47,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:59:47,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:59:47,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:59:47,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:59:47,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:59:47,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:59:47,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:59:47,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:59:47,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:59:47,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:59:47,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:59:47,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:59:47,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:59:47,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:59:47,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:59:47,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:59:47,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:59:47,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:59:47,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:59:47,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:59:47,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:59:47,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:59:47,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:59:47,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:59:47,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:59:47,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:59:47,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:59:47,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:59:47,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:59:47,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:59:47,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:59:47,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:59:47,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:59:47,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:59:47,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:59:47,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:59:47,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:59:47,214 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:59:47,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:59:47,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:59:47,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:59:47,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:59:47,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:59:47,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:59:47,216 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:59:47,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:59:47,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:59:47,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:59:47,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:59:47,552 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:59:47,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/sum_non_eq-3.c [2020-07-18 04:59:47,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2498d1/2c6d79b81efe4c7fb95bf4f903746aaa/FLAG7b1b8d70c [2020-07-18 04:59:48,085 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:59:48,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/sum_non_eq-3.c [2020-07-18 04:59:48,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2498d1/2c6d79b81efe4c7fb95bf4f903746aaa/FLAG7b1b8d70c [2020-07-18 04:59:48,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2498d1/2c6d79b81efe4c7fb95bf4f903746aaa [2020-07-18 04:59:48,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:59:48,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:59:48,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:59:48,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:59:48,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:59:48,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3523fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48, skipping insertion in model container [2020-07-18 04:59:48,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:59:48,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:59:48,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:59:48,665 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:59:48,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:59:48,699 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:59:48,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48 WrapperNode [2020-07-18 04:59:48,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:59:48,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:59:48,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:59:48,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:59:48,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (1/1) ... [2020-07-18 04:59:48,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:59:48,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:59:48,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:59:48,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:59:48,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (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 [2020-07-18 04:59:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:59:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:59:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-07-18 04:59:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:59:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:59:49,133 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:59:49,134 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:59:49,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:59:49 BoogieIcfgContainer [2020-07-18 04:59:49,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:59:49,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:59:49,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:59:49,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:59:49,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:59:48" (1/3) ... [2020-07-18 04:59:49,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5af44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:59:49, skipping insertion in model container [2020-07-18 04:59:49,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:59:48" (2/3) ... [2020-07-18 04:59:49,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5af44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:59:49, skipping insertion in model container [2020-07-18 04:59:49,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:59:49" (3/3) ... [2020-07-18 04:59:49,148 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_non_eq-3.c [2020-07-18 04:59:49,159 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:59:49,169 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:59:49,186 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:59:49,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:59:49,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:59:49,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:59:49,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:59:49,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:59:49,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:59:49,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:59:49,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:59:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-18 04:59:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-18 04:59:49,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:59:49,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:59:49,243 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:59:49,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:59:49,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1061236160, now seen corresponding path program 1 times [2020-07-18 04:59:49,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:59:49,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974069123] [2020-07-18 04:59:49,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:59:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:59:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:59:49,431 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:59:49,432 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:59:49,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:59:49,459 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:59:49,459 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:59:49,459 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:59:49,459 WARN L170 areAnnotationChecker]: sumENTRY has no Hoare annotation [2020-07-18 04:59:49,459 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 04:59:49,460 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:59:49,461 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: sumFINAL has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: sumEXIT has no Hoare annotation [2020-07-18 04:59:49,462 WARN L170 areAnnotationChecker]: sumEXIT has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:59:49,463 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 04:59:49,464 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 04:59:49,464 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-18 04:59:49,464 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:59:49,464 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 04:59:49,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:59:49 BoogieIcfgContainer [2020-07-18 04:59:49,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:59:49,473 INFO L168 Benchmark]: Toolchain (without parser) took 1017.70 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 100.0 MB in the beginning and 150.1 MB in the end (delta: -50.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,474 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.01 ms. Allocated memory is still 140.0 MB. Free memory was 99.6 MB in the beginning and 90.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,477 INFO L168 Benchmark]: Boogie Preprocessor took 32.04 ms. Allocated memory is still 140.0 MB. Free memory was 90.1 MB in the beginning and 88.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,478 INFO L168 Benchmark]: RCFGBuilder took 406.42 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 88.7 MB in the beginning and 165.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,479 INFO L168 Benchmark]: TraceAbstraction took 328.41 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 150.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:59:49,484 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 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.01 ms. Allocated memory is still 140.0 MB. Free memory was 99.6 MB in the beginning and 90.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.04 ms. Allocated memory is still 140.0 MB. Free memory was 90.1 MB in the beginning and 88.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 406.42 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 88.7 MB in the beginning and 165.6 MB in the end (delta: -76.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 328.41 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 150.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int a = __VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=0, a=0] [L14] unsigned int b = __VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=0, a=0, b=0] [L15] CALL, EXPR sum(a, b) VAL [\old(m)=0, \old(n)=0] [L5] COND TRUE n == 0 VAL [\old(m)=0, \old(n)=0, m=0, n=0] [L6] return m; VAL [\old(m)=0, \old(n)=0, \result=0, m=0, n=0] [L15] RET, EXPR sum(a, b) VAL [a=0, b=0, sum(a, b)=0] [L15] unsigned int result = sum(a, b); VAL [a=0, b=0, result=0, sum(a, b)=0] [L16] COND TRUE result == a + b VAL [a=0, b=0, result=0] [L17] __VERIFIER_error() VAL [a=0, b=0, result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...