java -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/McCarthy91-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:12:42,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:12:42,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:12:42,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:12:42,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:12:42,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:12:42,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:12:42,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:12:42,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:12:42,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:12:42,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:12:42,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:12:42,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:12:42,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:12:42,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:12:42,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:12:42,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:12:42,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:12:42,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:12:42,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:12:42,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:12:42,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:12:42,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:12:42,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:12:42,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:12:42,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:12:42,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:12:42,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:12:42,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:12:42,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:12:42,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:12:42,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:12:42,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:12:42,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:12:42,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:12:42,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:12:42,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:12:42,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:12:42,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:12:42,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:12:42,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:12:42,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:12:42,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:12:42,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:12:42,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:12:42,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:12:42,624 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:12:42,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:12:42,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:12:42,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:12:42,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:12:42,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:12:42,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:12:42,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:12:42,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:12:42,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:12:42,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:12:42,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:12:42,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:12:42,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:12:42,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:12:42,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:12:42,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:12:42,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:12:42,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:12:42,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:12:42,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:12:42,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:12:42,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:12:42,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:12:42,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:12:42,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:12:42,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:12:42,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:12:42,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:12:42,674 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:12:42,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/McCarthy91-1.c [2019-09-08 06:12:42,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67014051f/d8859cfc093c45c3a8fdb81c68d255ee/FLAG182cbe615 [2019-09-08 06:12:43,141 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:12:43,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/McCarthy91-1.c [2019-09-08 06:12:43,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67014051f/d8859cfc093c45c3a8fdb81c68d255ee/FLAG182cbe615 [2019-09-08 06:12:43,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67014051f/d8859cfc093c45c3a8fdb81c68d255ee [2019-09-08 06:12:43,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:12:43,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:12:43,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:12:43,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:12:43,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:12:43,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f255d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43, skipping insertion in model container [2019-09-08 06:12:43,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:12:43,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:12:43,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:12:43,816 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:12:43,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:12:43,847 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:12:43,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43 WrapperNode [2019-09-08 06:12:43,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:12:43,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:12:43,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:12:43,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:12:43,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (1/1) ... [2019-09-08 06:12:43,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:12:43,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:12:43,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:12:43,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:12:43,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (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 [2019-09-08 06:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2019-09-08 06:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:12:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:12:44,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:12:44,174 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 06:12:44,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:12:44 BoogieIcfgContainer [2019-09-08 06:12:44,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:12:44,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:12:44,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:12:44,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:12:44,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:12:43" (1/3) ... [2019-09-08 06:12:44,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47762b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:12:44, skipping insertion in model container [2019-09-08 06:12:44,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:12:43" (2/3) ... [2019-09-08 06:12:44,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47762b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:12:44, skipping insertion in model container [2019-09-08 06:12:44,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:12:44" (3/3) ... [2019-09-08 06:12:44,184 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91-1.c [2019-09-08 06:12:44,194 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:12:44,202 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:12:44,220 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:12:44,249 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:12:44,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:12:44,250 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:12:44,250 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:12:44,251 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:12:44,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:12:44,251 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:12:44,251 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:12:44,251 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:12:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-09-08 06:12:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-08 06:12:44,275 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:12:44,276 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:12:44,278 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:12:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:12:44,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1590359645, now seen corresponding path program 1 times [2019-09-08 06:12:44,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:12:44,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:12:44,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:44,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:12:44,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:12:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:12:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:12:44,402 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:12:44,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:12:44 BoogieIcfgContainer [2019-09-08 06:12:44,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:12:44,433 INFO L168 Benchmark]: Toolchain (without parser) took 862.85 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 90.0 MB in the beginning and 153.7 MB in the end (delta: -63.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,435 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.56 ms. Allocated memory is still 133.7 MB. Free memory was 89.8 MB in the beginning and 80.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,437 INFO L168 Benchmark]: Boogie Preprocessor took 120.16 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,438 INFO L168 Benchmark]: RCFGBuilder took 206.42 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 166.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,439 INFO L168 Benchmark]: TraceAbstraction took 253.47 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 153.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:12:44,443 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.56 ms. Allocated memory is still 133.7 MB. Free memory was 89.8 MB in the beginning and 80.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.16 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 80.4 MB in the beginning and 177.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.42 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 166.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253.47 ms. Allocated memory is still 201.3 MB. Free memory was 166.3 MB in the beginning and 153.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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) VAL [\old(x)=102] [L16] COND TRUE x > 100 [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); [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, 22 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...