/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/McCarthy91-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:36:12,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:36:12,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:36:12,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:36:12,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:36:12,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:36:12,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:36:12,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:36:12,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:36:12,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:36:12,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:36:12,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:36:12,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:36:12,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:36:12,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:36:12,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:36:12,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:36:12,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:36:12,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:36:12,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:36:12,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:36:12,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:36:12,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:36:12,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:36:12,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:36:12,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:36:12,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:36:12,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:36:12,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:36:12,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:36:12,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:36:12,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:36:12,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:36:12,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:36:12,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:36:12,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:36:12,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:36:12,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:36:12,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:36:12,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:36:12,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:36:12,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:36:12,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:36:12,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:36:12,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:36:12,910 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:36:12,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:36:12,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:36:12,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:36:12,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:36:12,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:36:12,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:36:12,912 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:36:12,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:36:12,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:36:12,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:36:12,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:36:12,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:36:12,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:36:12,913 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:36:13,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:36:13,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:36:13,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:36:13,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:36:13,208 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:36:13,209 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-10 18:36:13,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9dd2f04/b8ab86eb3c9948938eff83fa8224cdc1/FLAG9f25a7756 [2020-07-10 18:36:13,707 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:36:13,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-10 18:36:13,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9dd2f04/b8ab86eb3c9948938eff83fa8224cdc1/FLAG9f25a7756 [2020-07-10 18:36:14,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9dd2f04/b8ab86eb3c9948938eff83fa8224cdc1 [2020-07-10 18:36:14,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:36:14,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:36:14,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:14,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:36:14,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:36:14,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e615c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14, skipping insertion in model container [2020-07-10 18:36:14,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:36:14,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:36:14,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:14,313 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:36:14,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:36:14,343 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:36:14,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14 WrapperNode [2020-07-10 18:36:14,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:36:14,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:36:14,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:36:14,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:36:14,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (1/1) ... [2020-07-10 18:36:14,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:36:14,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:36:14,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:36:14,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:36:14,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (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 [2020-07-10 18:36:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:36:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:36:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2020-07-10 18:36:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:36:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:36:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 18:36:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2020-07-10 18:36:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:36:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:36:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:36:14,812 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:36:14,812 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:36:14,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:14 BoogieIcfgContainer [2020-07-10 18:36:14,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:36:14,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:36:14,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:36:14,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:36:14,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:36:14" (1/3) ... [2020-07-10 18:36:14,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e706c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:14, skipping insertion in model container [2020-07-10 18:36:14,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:36:14" (2/3) ... [2020-07-10 18:36:14,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e706c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:36:14, skipping insertion in model container [2020-07-10 18:36:14,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:36:14" (3/3) ... [2020-07-10 18:36:14,828 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91-1.c [2020-07-10 18:36:14,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:36:14,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:36:14,883 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:36:14,908 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:36:14,909 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:36:14,909 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:36:14,909 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:36:14,909 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:36:14,909 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:36:14,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:36:14,909 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:36:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-10 18:36:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-10 18:36:14,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:36:14,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:36:14,935 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:36:14,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:36:14,941 INFO L82 PathProgramCache]: Analyzing trace with hash 346555185, now seen corresponding path program 1 times [2020-07-10 18:36:14,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:36:14,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427712041] [2020-07-10 18:36:14,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:36:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:36:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:36:15,083 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:36:15,085 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:36:15,085 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:36:15,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:36:15,107 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:36:15,107 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:36:15,107 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: f91ENTRY has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:36:15,108 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-10 18:36:15,109 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: f91FINAL has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 18:36:15,110 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-10 18:36:15,111 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L19-5 has no Hoare annotation [2020-07-10 18:36:15,112 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-10 18:36:15,113 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 18:36:15,113 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 18:36:15,113 WARN L170 areAnnotationChecker]: L19-6 has no Hoare annotation [2020-07-10 18:36:15,113 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:36:15,113 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:36:15,114 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. [2020-07-10 18:36:15,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:36:15 BoogieIcfgContainer [2020-07-10 18:36:15,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:36:15,122 INFO L168 Benchmark]: Toolchain (without parser) took 1017.89 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 102.3 MB in the beginning and 148.2 MB in the end (delta: -45.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,124 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.31 ms. Allocated memory is still 137.4 MB. Free memory was 101.8 MB in the beginning and 92.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,126 INFO L168 Benchmark]: Boogie Preprocessor took 26.17 ms. Allocated memory is still 137.4 MB. Free memory was 92.4 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,127 INFO L168 Benchmark]: RCFGBuilder took 446.50 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.1 MB in the beginning and 164.1 MB in the end (delta: -73.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,128 INFO L168 Benchmark]: TraceAbstraction took 299.74 ms. Allocated memory is still 202.4 MB. Free memory was 164.1 MB in the beginning and 148.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2020-07-10 18:36:15,132 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 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.31 ms. Allocated memory is still 137.4 MB. Free memory was 101.8 MB in the beginning and 92.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.17 ms. Allocated memory is still 137.4 MB. Free memory was 92.4 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.50 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.1 MB in the beginning and 164.1 MB in the end (delta: -73.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 299.74 ms. Allocated memory is still 202.4 MB. Free memory was 164.1 MB in the beginning and 148.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] CALL, EXPR f91(x) [L16] COND TRUE x > 100 [L17] return x -10; [L26] RET, EXPR f91(x) [L26] int result = f91(x); [L27] COND FALSE !(result == 91 || x > 102 && result == x - 10) [L30] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 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=31occurred 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: No data available, 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...