/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/ldv-regression/callfpointer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:11:11,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:11:11,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:11:11,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:11:11,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:11:11,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:11:11,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:11:11,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:11:11,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:11:11,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:11:11,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:11:11,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:11:11,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:11:11,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:11:11,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:11:11,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:11:11,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:11:11,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:11:11,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:11:11,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:11:11,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:11:11,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:11:11,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:11:11,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:11:11,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:11:11,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:11:11,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:11:11,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:11:11,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:11:11,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:11:11,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:11:11,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:11:11,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:11:11,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:11:11,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:11:11,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:11:11,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:11:11,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:11:11,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:11:11,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:11:11,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:11:11,712 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 05:11:11,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:11:11,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:11:11,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:11:11,724 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:11:11,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:11:11,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:11:11,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:11:11,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:11:11,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:11:11,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:11:11,725 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:11:11,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:11:11,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:11:11,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:11:11,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:11:11,726 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:11:11,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:11:11,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:11:11,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:11:11,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:11:11,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:11:11,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:11:11,727 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 05:11:12,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:11:12,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:11:12,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:11:12,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:11:12,056 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:11:12,057 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-07-18 05:11:12,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c447359b5/a339a47b319642eb84cb2b4ca6da73ed/FLAG2fbae4c2d [2020-07-18 05:11:12,603 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:11:12,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-07-18 05:11:12,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c447359b5/a339a47b319642eb84cb2b4ca6da73ed/FLAG2fbae4c2d [2020-07-18 05:11:12,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c447359b5/a339a47b319642eb84cb2b4ca6da73ed [2020-07-18 05:11:12,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:11:12,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:11:12,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:12,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:11:12,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:11:12,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:12" (1/1) ... [2020-07-18 05:11:12,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc3f5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:12, skipping insertion in model container [2020-07-18 05:11:12,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:12" (1/1) ... [2020-07-18 05:11:12,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:11:13,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:11:13,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:13,182 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:11:13,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:13,213 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:11:13,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13 WrapperNode [2020-07-18 05:11:13,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:13,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:11:13,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:11:13,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:11:13,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (1/1) ... [2020-07-18 05:11:13,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:11:13,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:11:13,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:11:13,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:11:13,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (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 05:11:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:11:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:11:13,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-07-18 05:11:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-18 05:11:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2020-07-18 05:11:13,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:11:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:11:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-18 05:11:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-07-18 05:11:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure h [2020-07-18 05:11:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:11:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:11:13,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:11:13,610 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:11:13,610 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:11:13,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:13 BoogieIcfgContainer [2020-07-18 05:11:13,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:11:13,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:11:13,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:11:13,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:11:13,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:11:12" (1/3) ... [2020-07-18 05:11:13,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa926db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:13, skipping insertion in model container [2020-07-18 05:11:13,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:13" (2/3) ... [2020-07-18 05:11:13,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa926db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:13, skipping insertion in model container [2020-07-18 05:11:13,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:13" (3/3) ... [2020-07-18 05:11:13,623 INFO L109 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2020-07-18 05:11:13,635 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:11:13,643 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:11:13,660 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:11:13,702 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:11:13,702 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:11:13,702 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:11:13,703 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:11:13,703 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:11:13,703 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:11:13,703 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:11:13,703 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:11:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-18 05:11:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-18 05:11:13,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:13,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:13,738 INFO L427 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:13,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:13,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1027422766, now seen corresponding path program 1 times [2020-07-18 05:11:13,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:13,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867944810] [2020-07-18 05:11:13,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:11:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:11:13,894 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:11:13,895 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:11:13,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:11:13,917 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:11:13,917 WARN L170 areAnnotationChecker]: fENTRY has no Hoare annotation [2020-07-18 05:11:13,917 WARN L170 areAnnotationChecker]: hENTRY has no Hoare annotation [2020-07-18 05:11:13,917 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: ##fun~int~TO~VOIDENTRY has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:11:13,918 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:13,919 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: fFINAL has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 05:11:13,920 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: ##fun~int~TO~VOIDFINAL has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: hEXIT has no Hoare annotation [2020-07-18 05:11:13,921 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:11:13,922 WARN L170 areAnnotationChecker]: ##fun~int~TO~VOIDEXIT has no Hoare annotation [2020-07-18 05:11:13,922 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 05:11:13,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:11:13 BoogieIcfgContainer [2020-07-18 05:11:13,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:11:13,930 INFO L168 Benchmark]: Toolchain (without parser) took 950.62 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 150.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,932 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.64 ms. Allocated memory is still 134.7 MB. Free memory was 99.8 MB in the beginning and 90.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,934 INFO L168 Benchmark]: Boogie Preprocessor took 30.64 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 88.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,935 INFO L168 Benchmark]: RCFGBuilder took 369.10 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 88.6 MB in the beginning and 164.7 MB in the end (delta: -76.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,936 INFO L168 Benchmark]: TraceAbstraction took 311.18 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 150.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:13,940 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 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.64 ms. Allocated memory is still 134.7 MB. Free memory was 99.8 MB in the beginning and 90.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.64 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 88.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.10 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 88.6 MB in the beginning and 164.7 MB in the end (delta: -76.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 311.18 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 150.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L20] CALL f(h) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=24occurred 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, 12 NumberOfCodeBlocks, 12 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...