./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/getNumbers3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext3/getNumbers3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8f17cf5334c3a5b079beafc57a2e2bffaea721f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:19:06,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:19:06,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:19:06,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:19:06,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:19:06,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:19:06,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:19:06,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:19:06,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:19:06,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:19:06,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:19:06,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:19:06,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:19:06,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:19:06,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:19:06,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:19:06,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:19:06,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:19:06,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:19:06,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:19:06,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:19:06,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:19:06,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:19:06,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:19:06,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:19:06,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:19:06,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:19:06,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:19:06,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:19:06,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:19:06,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:19:06,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:19:06,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:19:06,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:19:06,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:19:06,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:19:06,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:19:06,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:19:06,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:19:06,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:19:06,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:19:06,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:19:06,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:19:06,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:19:06,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:19:06,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:19:06,750 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:19:06,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:19:06,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:19:06,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:19:06,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:19:06,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:19:06,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:19:06,752 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:19:06,753 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:19:06,753 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:19:06,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:19:06,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:19:06,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:19:06,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:19:06,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:19:06,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:19:06,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:19:06,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:19:06,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:19:06,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:19:06,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:19:06,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:19:06,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:19:06,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:19:06,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f17cf5334c3a5b079beafc57a2e2bffaea721f [2019-11-28 20:19:07,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:19:07,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:19:07,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:19:07,082 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:19:07,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:19:07,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2019-11-28 20:19:07,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8d74f7f/0bb78b5cc33a47a6b545172520d06156/FLAGcde9b2519 [2019-11-28 20:19:07,597 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:19:07,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2019-11-28 20:19:07,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8d74f7f/0bb78b5cc33a47a6b545172520d06156/FLAGcde9b2519 [2019-11-28 20:19:08,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8d74f7f/0bb78b5cc33a47a6b545172520d06156 [2019-11-28 20:19:08,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:19:08,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:19:08,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:19:08,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:19:08,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:19:08,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cffb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08, skipping insertion in model container [2019-11-28 20:19:08,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:19:08,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:19:08,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:19:08,335 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:19:08,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:19:08,465 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:19:08,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08 WrapperNode [2019-11-28 20:19:08,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:19:08,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:19:08,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:19:08,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:19:08,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (1/1) ... [2019-11-28 20:19:08,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:19:08,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:19:08,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:19:08,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:19:08,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (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 [2019-11-28 20:19:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:19:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:19:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2019-11-28 20:19:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:19:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2019-11-28 20:19:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:19:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:19:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:19:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:19:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:19:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:19:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:19:08,898 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:19:08,898 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:19:08,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:08 BoogieIcfgContainer [2019-11-28 20:19:08,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:19:08,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:19:08,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:19:08,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:19:08,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:19:08" (1/3) ... [2019-11-28 20:19:08,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc3b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:19:08, skipping insertion in model container [2019-11-28 20:19:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:08" (2/3) ... [2019-11-28 20:19:08,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc3b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:19:08, skipping insertion in model container [2019-11-28 20:19:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:08" (3/3) ... [2019-11-28 20:19:08,912 INFO L109 eAbstractionObserver]: Analyzing ICFG getNumbers3.c [2019-11-28 20:19:08,925 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:19:08,933 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-28 20:19:08,947 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-28 20:19:08,965 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:19:08,966 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:19:08,966 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:19:08,966 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:19:08,966 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:19:08,966 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:19:08,967 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:19:08,967 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:19:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-28 20:19:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 20:19:08,990 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:08,991 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:08,992 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:08,998 INFO L82 PathProgramCache]: Analyzing trace with hash -335730452, now seen corresponding path program 1 times [2019-11-28 20:19:09,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:09,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564377880] [2019-11-28 20:19:09,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:09,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564377880] [2019-11-28 20:19:09,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:19:09,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:19:09,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791588716] [2019-11-28 20:19:09,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:19:09,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:09,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:19:09,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:19:09,284 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2019-11-28 20:19:09,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:09,413 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-28 20:19:09,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:19:09,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 20:19:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:09,424 INFO L225 Difference]: With dead ends: 33 [2019-11-28 20:19:09,424 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 20:19:09,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:19:09,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 20:19:09,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2019-11-28 20:19:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 20:19:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-11-28 20:19:09,457 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2019-11-28 20:19:09,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:09,458 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-11-28 20:19:09,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:19:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-11-28 20:19:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 20:19:09,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:09,459 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:09,459 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:09,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:09,460 INFO L82 PathProgramCache]: Analyzing trace with hash -335730451, now seen corresponding path program 1 times [2019-11-28 20:19:09,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:09,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873871889] [2019-11-28 20:19:09,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:09,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873871889] [2019-11-28 20:19:09,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:19:09,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:19:09,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941451927] [2019-11-28 20:19:09,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:19:09,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:09,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:19:09,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:19:09,614 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 5 states. [2019-11-28 20:19:09,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:09,754 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-11-28 20:19:09,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:19:09,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 20:19:09,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:09,756 INFO L225 Difference]: With dead ends: 21 [2019-11-28 20:19:09,756 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 20:19:09,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:19:09,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 20:19:09,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-11-28 20:19:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 20:19:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-28 20:19:09,766 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2019-11-28 20:19:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:09,766 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-28 20:19:09,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:19:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-28 20:19:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 20:19:09,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:09,769 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:09,769 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:09,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1232932722, now seen corresponding path program 1 times [2019-11-28 20:19:09,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:09,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962887520] [2019-11-28 20:19:09,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:09,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962887520] [2019-11-28 20:19:09,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927425921] [2019-11-28 20:19:09,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:09,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:19:09,994 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:19:10,054 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:19:10,055 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:19:10,074 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:19:10,074 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:19:10,075 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:19:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:10,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:19:10,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-11-28 20:19:10,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629561999] [2019-11-28 20:19:10,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:19:10,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:10,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:19:10,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:19:10,099 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 6 states. [2019-11-28 20:19:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:10,264 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-28 20:19:10,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:19:10,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-28 20:19:10,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:10,266 INFO L225 Difference]: With dead ends: 24 [2019-11-28 20:19:10,266 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 20:19:10,268 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:19:10,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 20:19:10,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-11-28 20:19:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 20:19:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-28 20:19:10,274 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2019-11-28 20:19:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:10,275 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-28 20:19:10,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:19:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-28 20:19:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:19:10,276 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:10,276 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:10,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:10,483 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:10,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:10,484 INFO L82 PathProgramCache]: Analyzing trace with hash -261628211, now seen corresponding path program 2 times [2019-11-28 20:19:10,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:10,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869927979] [2019-11-28 20:19:10,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:10,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869927979] [2019-11-28 20:19:10,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305998867] [2019-11-28 20:19:10,668 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:10,725 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 20:19:10,726 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:19:10,727 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:19:10,730 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:19:10,738 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:19:10,740 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:19:10,746 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:19:10,747 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:19:10,747 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:19:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:10,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 20:19:10,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2019-11-28 20:19:10,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66452979] [2019-11-28 20:19:10,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:19:10,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:10,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:19:10,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:19:10,856 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 7 states. [2019-11-28 20:19:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:10,925 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-28 20:19:10,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:19:10,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-28 20:19:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:10,927 INFO L225 Difference]: With dead ends: 23 [2019-11-28 20:19:10,927 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 20:19:10,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:19:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 20:19:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2019-11-28 20:19:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 20:19:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-28 20:19:10,936 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-11-28 20:19:10,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:10,939 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-28 20:19:10,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:19:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-28 20:19:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 20:19:10,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:10,941 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:11,150 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:11,151 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:11,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:11,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1517605059, now seen corresponding path program 1 times [2019-11-28 20:19:11,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:11,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044325604] [2019-11-28 20:19:11,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:19:11,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044325604] [2019-11-28 20:19:11,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:19:11,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 20:19:11,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327948904] [2019-11-28 20:19:11,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 20:19:11,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:11,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 20:19:11,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:19:11,289 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 8 states. [2019-11-28 20:19:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:11,410 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-11-28 20:19:11,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:19:11,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-28 20:19:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:11,412 INFO L225 Difference]: With dead ends: 20 [2019-11-28 20:19:11,412 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 20:19:11,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:19:11,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 20:19:11,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-28 20:19:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 20:19:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-28 20:19:11,419 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 19 [2019-11-28 20:19:11,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:11,420 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-28 20:19:11,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 20:19:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-28 20:19:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 20:19:11,425 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:11,426 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:11,426 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:11,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1517605058, now seen corresponding path program 1 times [2019-11-28 20:19:11,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:11,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118909611] [2019-11-28 20:19:11,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:11,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118909611] [2019-11-28 20:19:11,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071736598] [2019-11-28 20:19:11,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:11,657 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:19:11,661 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:19:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:11,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:19:11,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2019-11-28 20:19:11,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830803262] [2019-11-28 20:19:11,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 20:19:11,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:11,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:19:11,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:19:11,678 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 10 states. [2019-11-28 20:19:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:11,872 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-11-28 20:19:11,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:19:11,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-28 20:19:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:11,873 INFO L225 Difference]: With dead ends: 25 [2019-11-28 20:19:11,873 INFO L226 Difference]: Without dead ends: 25 [2019-11-28 20:19:11,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:19:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-28 20:19:11,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2019-11-28 20:19:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 20:19:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-28 20:19:11,880 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 19 [2019-11-28 20:19:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:11,881 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-28 20:19:11,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 20:19:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-28 20:19:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 20:19:11,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:19:11,882 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:19:12,086 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:12,087 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 20:19:12,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:19:12,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1135899523, now seen corresponding path program 2 times [2019-11-28 20:19:12,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:19:12,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093524551] [2019-11-28 20:19:12,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:19:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:19:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:19:12,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093524551] [2019-11-28 20:19:12,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397053717] [2019-11-28 20:19:12,226 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:12,263 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 20:19:12,263 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 20:19:12,264 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 20:19:12,268 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:19:12,282 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-28 20:19:12,283 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:19:12,289 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:19:12,289 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:19:12,290 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 20:19:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-28 20:19:12,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 20:19:12,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2019-11-28 20:19:12,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60909233] [2019-11-28 20:19:12,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:19:12,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:19:12,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:19:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-28 20:19:12,338 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 6 states. [2019-11-28 20:19:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:19:12,408 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-11-28 20:19:12,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:19:12,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 20:19:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:19:12,409 INFO L225 Difference]: With dead ends: 22 [2019-11-28 20:19:12,409 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 20:19:12,409 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:19:12,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 20:19:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 20:19:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 20:19:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:19:12,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-28 20:19:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:19:12,413 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:19:12,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:19:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:19:12,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:19:12,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:19:12,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:19:12 BoogieIcfgContainer [2019-11-28 20:19:12,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:19:12,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:19:12,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:19:12,625 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:19:12,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:08" (3/4) ... [2019-11-28 20:19:12,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:19:12,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 20:19:12,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 20:19:12,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getNumbers [2019-11-28 20:19:12,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-28 20:19:12,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 20:19:12,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:19:12,689 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:19:12,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:19:12,691 INFO L168 Benchmark]: Toolchain (without parser) took 4654.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.0 MB in the beginning and 842.4 MB in the end (delta: 116.7 MB). Peak memory consumption was 274.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:12,691 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:19:12,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:12,693 INFO L168 Benchmark]: Boogie Preprocessor took 54.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:12,694 INFO L168 Benchmark]: RCFGBuilder took 376.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:12,695 INFO L168 Benchmark]: TraceAbstraction took 3723.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.4 MB in the end (delta: 280.6 MB). Peak memory consumption was 280.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:12,695 INFO L168 Benchmark]: Witness Printer took 64.46 ms. Allocated memory is still 1.2 GB. Free memory is still 842.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:19:12,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3723.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 842.4 MB in the end (delta: 280.6 MB). Peak memory consumption was 280.6 MB. Max. memory is 11.5 GB. * Witness Printer took 64.46 ms. Allocated memory is still 1.2 GB. Free memory is still 842.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 5 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 112 SDslu, 111 SDs, 0 SdLazy, 305 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 173 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 18974 SizeOfPredicates, 3 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 24/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...