/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/McCarthy91-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:34:13,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:34:13,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:34:13,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:34:13,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:34:13,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:34:13,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:34:13,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:34:13,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:34:13,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:34:13,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:34:13,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:34:13,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:34:13,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:34:13,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:34:13,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:34:13,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:34:13,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:34:13,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:34:13,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:34:13,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:34:13,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:34:13,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:34:13,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:34:13,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:34:13,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:34:13,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:34:13,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:34:13,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:34:13,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:34:13,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:34:13,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:34:13,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:34:13,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:34:13,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:34:13,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:34:13,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:34:13,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:34:13,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:34:13,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:34:13,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:34:13,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:34:13,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:34:13,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:34:13,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:34:13,660 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:34:13,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:34:13,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:34:13,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:34:13,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:34:13,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:34:13,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:34:13,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:34:13,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:34:13,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:34:13,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:34:13,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:34:13,666 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:34:13,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:34:13,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:34:13,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:34:13,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:34:13,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:34:13,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:34:13,667 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 [2020-07-11 00:34:14,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:34:14,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:34:14,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:34:14,034 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:34:14,034 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:34:14,035 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-11 00:34:14,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15b131e5/cb4eb4ffe040460dbebb53d65aab853b/FLAG19c952d10 [2020-07-11 00:34:14,538 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:34:14,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-11 00:34:14,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15b131e5/cb4eb4ffe040460dbebb53d65aab853b/FLAG19c952d10 [2020-07-11 00:34:14,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15b131e5/cb4eb4ffe040460dbebb53d65aab853b [2020-07-11 00:34:14,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:34:14,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:34:14,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:34:14,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:34:14,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:34:14,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:34:14" (1/1) ... [2020-07-11 00:34:14,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bb5dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:14, skipping insertion in model container [2020-07-11 00:34:14,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:34:14" (1/1) ... [2020-07-11 00:34:14,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:34:14,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:34:15,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:34:15,182 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:34:15,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:34:15,217 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:34:15,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15 WrapperNode [2020-07-11 00:34:15,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:34:15,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:34:15,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:34:15,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:34:15,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (1/1) ... [2020-07-11 00:34:15,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:34:15,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:34:15,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:34:15,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:34:15,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (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 [2020-07-11 00:34:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:34:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:34:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2020-07-11 00:34:15,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:34:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:34:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 00:34:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2020-07-11 00:34:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:34:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:34:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:34:15,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:34:15,753 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 00:34:15,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:34:15 BoogieIcfgContainer [2020-07-11 00:34:15,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:34:15,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:34:15,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:34:15,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:34:15,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:34:14" (1/3) ... [2020-07-11 00:34:15,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10019d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:34:15, skipping insertion in model container [2020-07-11 00:34:15,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:34:15" (2/3) ... [2020-07-11 00:34:15,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10019d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:34:15, skipping insertion in model container [2020-07-11 00:34:15,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:34:15" (3/3) ... [2020-07-11 00:34:15,767 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91-1.c [2020-07-11 00:34:15,785 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:34:15,793 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:34:15,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:34:15,838 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:34:15,838 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:34:15,838 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:34:15,838 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:34:15,838 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:34:15,838 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:34:15,839 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:34:15,839 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:34:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-11 00:34:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-11 00:34:15,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:34:15,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:34:15,872 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:34:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:34:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash 346555185, now seen corresponding path program 1 times [2020-07-11 00:34:15,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:34:15,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29759366] [2020-07-11 00:34:15,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:34:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:34:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:34:16,066 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 00:34:16,067 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 00:34:16,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:34:16,093 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: f91ENTRY has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:34:16,094 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-11 00:34:16,095 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-11 00:34:16,096 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 00:34:16,096 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 00:34:16,096 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 00:34:16,096 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 00:34:16,096 WARN L170 areAnnotationChecker]: f91FINAL has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-11 00:34:16,097 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 00:34:16,098 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-11 00:34:16,099 WARN L170 areAnnotationChecker]: L19-5 has no Hoare annotation [2020-07-11 00:34:16,099 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-11 00:34:16,099 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-11 00:34:16,099 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-11 00:34:16,099 WARN L170 areAnnotationChecker]: L19-6 has no Hoare annotation [2020-07-11 00:34:16,100 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 00:34:16,100 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 00:34:16,100 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. [2020-07-11 00:34:16,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 12:34:16 BoogieIcfgContainer [2020-07-11 00:34:16,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 00:34:16,109 INFO L168 Benchmark]: Toolchain (without parser) took 1149.36 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 104.0 MB in the beginning and 152.4 MB in the end (delta: -48.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,110 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.61 ms. Allocated memory is still 145.2 MB. Free memory was 103.6 MB in the beginning and 94.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,112 INFO L168 Benchmark]: Boogie Preprocessor took 33.58 ms. Allocated memory is still 145.2 MB. Free memory was 94.1 MB in the beginning and 92.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,114 INFO L168 Benchmark]: RCFGBuilder took 504.63 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 92.8 MB in the beginning and 168.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,115 INFO L168 Benchmark]: TraceAbstraction took 346.80 ms. Allocated memory is still 206.0 MB. Free memory was 167.3 MB in the beginning and 152.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2020-07-11 00:34:16,119 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 0.80 ms. Allocated memory is still 145.2 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.61 ms. Allocated memory is still 145.2 MB. Free memory was 103.6 MB in the beginning and 94.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.58 ms. Allocated memory is still 145.2 MB. Free memory was 94.1 MB in the beginning and 92.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 504.63 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 92.8 MB in the beginning and 168.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 346.80 ms. Allocated memory is still 206.0 MB. Free memory was 167.3 MB in the beginning and 152.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 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(); VAL [__VERIFIER_nondet_int()=102, x=102] [L26] CALL, EXPR f91(x) VAL [\old(x)=102] [L16] COND TRUE x > 100 VAL [\old(x)=102, x=102] [L17] return x -10; VAL [\old(x)=102, \result=92, x=102] [L26] RET, EXPR f91(x) VAL [f91(x)=92, x=102] [L26] int result = f91(x); VAL [f91(x)=92, result=92, x=102] [L27] COND FALSE !(result == 91 || x > 102 && result == x - 10) VAL [result=92, x=102] [L30] __VERIFIER_error() VAL [result=92, x=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 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=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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 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...