/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 0.1.25-267fbe0 [2020-07-18 04:40:25,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:40:25,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:40:25,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:40:25,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:40:25,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:40:25,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:40:25,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:40:25,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:40:25,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:40:25,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:40:25,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:40:25,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:40:25,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:40:25,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:40:25,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:40:25,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:40:25,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:40:25,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:40:25,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:40:25,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:40:25,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:40:25,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:40:25,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:40:25,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:40:25,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:40:25,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:40:25,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:40:25,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:40:25,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:40:25,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:40:25,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:40:25,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:40:25,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:40:25,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:40:25,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:40:25,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:40:25,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:40:25,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:40:25,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:40:25,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:40:25,592 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 04:40:25,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:40:25,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:40:25,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:40:25,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:40:25,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:40:25,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:40:25,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:40:25,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:40:25,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:40:25,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:40:25,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:40:25,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:40:25,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:40:25,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:40:25,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:40:25,613 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:40:25,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:40:25,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:40:25,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:40:25,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:40:25,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:40:25,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:40:25,614 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 04:40:25,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:40:25,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:40:25,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:40:25,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:40:25,925 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:40:25,926 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-18 04:40:25,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad785d39/769c9697c519499ba184d6e93a318dcd/FLAGbdc976bf5 [2020-07-18 04:40:26,410 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:40:26,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-07-18 04:40:26,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad785d39/769c9697c519499ba184d6e93a318dcd/FLAGbdc976bf5 [2020-07-18 04:40:26,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad785d39/769c9697c519499ba184d6e93a318dcd [2020-07-18 04:40:26,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:40:26,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:40:26,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:40:26,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:40:26,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:40:26,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:40:26" (1/1) ... [2020-07-18 04:40:26,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118c986e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:26, skipping insertion in model container [2020-07-18 04:40:26,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:40:26" (1/1) ... [2020-07-18 04:40:26,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:40:26,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:40:26,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:40:26,970 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:40:26,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:40:27,001 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:40:27,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27 WrapperNode [2020-07-18 04:40:27,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:40:27,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:40:27,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:40:27,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:40:27,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (1/1) ... [2020-07-18 04:40:27,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:40:27,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:40:27,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:40:27,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:40:27,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (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 04:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2020-07-18 04:40:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:40:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:40:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 04:40:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2020-07-18 04:40:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:40:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:40:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:40:27,442 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:40:27,442 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:40:27,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:40:27 BoogieIcfgContainer [2020-07-18 04:40:27,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:40:27,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:40:27,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:40:27,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:40:27,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:40:26" (1/3) ... [2020-07-18 04:40:27,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3020ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:40:27, skipping insertion in model container [2020-07-18 04:40:27,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:40:27" (2/3) ... [2020-07-18 04:40:27,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3020ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:40:27, skipping insertion in model container [2020-07-18 04:40:27,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:40:27" (3/3) ... [2020-07-18 04:40:27,456 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91-1.c [2020-07-18 04:40:27,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:40:27,476 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:40:27,491 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:40:27,515 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:40:27,515 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:40:27,516 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:40:27,516 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:40:27,516 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:40:27,516 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:40:27,516 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:40:27,517 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:40:27,532 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-18 04:40:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-18 04:40:27,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:40:27,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:40:27,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:40:27,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:40:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 346555185, now seen corresponding path program 1 times [2020-07-18 04:40:27,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:40:27,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829000457] [2020-07-18 04:40:27,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:40:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:40:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:40:27,698 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:40:27,698 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:40:27,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:40:27,724 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: f91ENTRY has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:40:27,725 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-18 04:40:27,726 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: f91FINAL has no Hoare annotation [2020-07-18 04:40:27,727 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: f91EXIT has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-18 04:40:27,728 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L19-4 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 04:40:27,729 WARN L170 areAnnotationChecker]: L19-5 has no Hoare annotation [2020-07-18 04:40:27,730 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-18 04:40:27,730 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 04:40:27,730 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 04:40:27,730 WARN L170 areAnnotationChecker]: L19-6 has no Hoare annotation [2020-07-18 04:40:27,730 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 04:40:27,731 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:40:27,731 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 04:40:27,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:40:27 BoogieIcfgContainer [2020-07-18 04:40:27,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:40:27,739 INFO L168 Benchmark]: Toolchain (without parser) took 952.42 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 104.8 MB in the beginning and 150.6 MB in the end (delta: -45.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,740 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.45 ms. Allocated memory is still 139.5 MB. Free memory was 104.6 MB in the beginning and 95.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,742 INFO L168 Benchmark]: Boogie Preprocessor took 118.46 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 95.1 MB in the beginning and 183.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,743 INFO L168 Benchmark]: RCFGBuilder took 325.64 ms. Allocated memory is still 204.5 MB. Free memory was 183.8 MB in the beginning and 166.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,744 INFO L168 Benchmark]: TraceAbstraction took 287.55 ms. Allocated memory is still 204.5 MB. Free memory was 165.3 MB in the beginning and 150.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:40:27,748 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 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 214.45 ms. Allocated memory is still 139.5 MB. Free memory was 104.6 MB in the beginning and 95.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.46 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 95.1 MB in the beginning and 183.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.64 ms. Allocated memory is still 204.5 MB. Free memory was 183.8 MB in the beginning and 166.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287.55 ms. Allocated memory is still 204.5 MB. Free memory was 165.3 MB in the beginning and 150.6 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: 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: 0.1s, 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: 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...