./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 30f4e4ab 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 0.1.24-30f4e4a [2019-11-28 02:46:35,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:46:35,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:46:35,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:46:35,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:46:35,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:46:35,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:46:35,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:46:35,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:46:35,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:46:35,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:46:35,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:46:35,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:46:35,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:46:35,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:46:35,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:46:35,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:46:35,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:46:35,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:46:35,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:46:35,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:46:35,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:46:35,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:46:35,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:46:35,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:46:35,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:46:35,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:46:35,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:46:35,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:46:35,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:46:35,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:46:35,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:46:35,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:46:35,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:46:35,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:46:35,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:46:35,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:46:35,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:46:35,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:46:35,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:46:35,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:46:35,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:46:35,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:46:35,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:46:35,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:46:35,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:46:35,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:46:35,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:46:35,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:46:35,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:46:35,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:46:35,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:46:35,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:46:35,609 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:46:35,609 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:46:35,610 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:46:35,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:46:35,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:46:35,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:46:35,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:46:35,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:46:35,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:46:35,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:46:35,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:46:35,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:46:35,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:46:35,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:46:35,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:46:35,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:46:35,614 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 02:46:35,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:46:36,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:46:36,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:46:36,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:46:36,017 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:46:36,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2019-11-28 02:46:36,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9dcfeb5/906432e0887846bc8419fd98eaeba1c6/FLAG5d4b3a6f2 [2019-11-28 02:46:36,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:46:36,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2019-11-28 02:46:36,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9dcfeb5/906432e0887846bc8419fd98eaeba1c6/FLAG5d4b3a6f2 [2019-11-28 02:46:36,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9dcfeb5/906432e0887846bc8419fd98eaeba1c6 [2019-11-28 02:46:36,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:46:36,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:46:36,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:36,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:46:36,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:46:36,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:36" (1/1) ... [2019-11-28 02:46:36,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a288275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:36, skipping insertion in model container [2019-11-28 02:46:36,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:36" (1/1) ... [2019-11-28 02:46:36,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:46:36,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:46:37,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:37,194 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:46:37,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:37,226 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:46:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37 WrapperNode [2019-11-28 02:46:37,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:37,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:46:37,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:46:37,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:46:37,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (1/1) ... [2019-11-28 02:46:37,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:46:37,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:46:37,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:46:37,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:46:37,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (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 02:46:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:46:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:46:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2019-11-28 02:46:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:46:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2019-11-28 02:46:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:46:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:46:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:46:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:46:37,588 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:46:37,588 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:46:37,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:37 BoogieIcfgContainer [2019-11-28 02:46:37,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:46:37,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:46:37,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:46:37,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:46:37,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:36" (1/3) ... [2019-11-28 02:46:37,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b88ea78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:37, skipping insertion in model container [2019-11-28 02:46:37,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37" (2/3) ... [2019-11-28 02:46:37,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b88ea78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:37, skipping insertion in model container [2019-11-28 02:46:37,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:37" (3/3) ... [2019-11-28 02:46:37,601 INFO L109 eAbstractionObserver]: Analyzing ICFG getNumbers3.c [2019-11-28 02:46:37,617 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:46:37,629 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-11-28 02:46:37,647 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-11-28 02:46:37,674 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:46:37,675 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:46:37,675 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:46:37,675 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:46:37,676 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:46:37,676 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:46:37,676 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:46:37,677 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:46:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-28 02:46:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:46:37,711 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:37,712 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:37,712 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:37,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:37,721 INFO L82 PathProgramCache]: Analyzing trace with hash -335730452, now seen corresponding path program 1 times [2019-11-28 02:46:37,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:37,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880628256] [2019-11-28 02:46:37,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,037 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 02:46:38,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880628256] [2019-11-28 02:46:38,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:38,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:46:38,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834172325] [2019-11-28 02:46:38,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:46:38,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:38,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:46:38,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:46:38,072 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2019-11-28 02:46:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:38,266 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-28 02:46:38,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:46:38,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 02:46:38,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:38,289 INFO L225 Difference]: With dead ends: 33 [2019-11-28 02:46:38,289 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 02:46:38,293 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 02:46:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 02:46:38,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2019-11-28 02:46:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 02:46:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-11-28 02:46:38,329 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2019-11-28 02:46:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:38,330 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-11-28 02:46:38,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:46:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-11-28 02:46:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:46:38,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:38,331 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:38,331 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:38,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:38,332 INFO L82 PathProgramCache]: Analyzing trace with hash -335730451, now seen corresponding path program 1 times [2019-11-28 02:46:38,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:38,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068273338] [2019-11-28 02:46:38,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,458 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 02:46:38,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068273338] [2019-11-28 02:46:38,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:38,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:38,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996892277] [2019-11-28 02:46:38,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:46:38,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:38,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:46:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:46:38,463 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 5 states. [2019-11-28 02:46:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:38,628 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-11-28 02:46:38,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:46:38,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-28 02:46:38,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:38,629 INFO L225 Difference]: With dead ends: 21 [2019-11-28 02:46:38,630 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 02:46:38,631 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 02:46:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 02:46:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-11-28 02:46:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 02:46:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-28 02:46:38,639 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2019-11-28 02:46:38,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:38,639 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-28 02:46:38,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:46:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-28 02:46:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 02:46:38,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:38,642 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:38,642 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:38,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:38,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1232932722, now seen corresponding path program 1 times [2019-11-28 02:46:38,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:38,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358544218] [2019-11-28 02:46:38,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,806 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 02:46:38,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358544218] [2019-11-28 02:46:38,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548604820] [2019-11-28 02:46:38,807 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 02:46:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 02:46:38,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:38,941 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 02:46:38,942 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:38,958 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:38,959 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:46:38,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 02:46:39,001 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 02:46:39,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:39,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-11-28 02:46:39,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325343836] [2019-11-28 02:46:39,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:46:39,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:46:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:46:39,008 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 6 states. [2019-11-28 02:46:39,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:39,193 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-28 02:46:39,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:46:39,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-28 02:46:39,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:39,195 INFO L225 Difference]: With dead ends: 24 [2019-11-28 02:46:39,195 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 02:46:39,196 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 02:46:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 02:46:39,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-11-28 02:46:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 02:46:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-28 02:46:39,200 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2019-11-28 02:46:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:39,201 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-28 02:46:39,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:46:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-28 02:46:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:46:39,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:39,202 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:39,403 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:39,403 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:39,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash -261628211, now seen corresponding path program 2 times [2019-11-28 02:46:39,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:39,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438765219] [2019-11-28 02:46:39,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,605 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 02:46:39,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438765219] [2019-11-28 02:46:39,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052562697] [2019-11-28 02:46:39,606 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 02:46:39,658 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 02:46:39,658 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:39,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 02:46:39,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:39,672 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 02:46:39,673 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:39,699 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:39,700 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:46:39,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 02:46:39,815 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 02:46:39,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:46:39,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2019-11-28 02:46:39,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428816236] [2019-11-28 02:46:39,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:46:39,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:39,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:46:39,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:39,818 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 7 states. [2019-11-28 02:46:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:39,882 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-28 02:46:39,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:46:39,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-28 02:46:39,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:39,884 INFO L225 Difference]: With dead ends: 23 [2019-11-28 02:46:39,884 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 02:46:39,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 02:46:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2019-11-28 02:46:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 02:46:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-28 02:46:39,889 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2019-11-28 02:46:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:39,890 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-28 02:46:39,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:46:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-28 02:46:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:46:39,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:39,891 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:40,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:40,097 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:40,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1517605059, now seen corresponding path program 1 times [2019-11-28 02:46:40,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:40,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964016788] [2019-11-28 02:46:40,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,206 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 02:46:40,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964016788] [2019-11-28 02:46:40,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:40,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 02:46:40,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531181892] [2019-11-28 02:46:40,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:46:40,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:40,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:46:40,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:46:40,209 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 8 states. [2019-11-28 02:46:40,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:40,327 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-11-28 02:46:40,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:46:40,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-28 02:46:40,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:40,329 INFO L225 Difference]: With dead ends: 20 [2019-11-28 02:46:40,329 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 02:46:40,329 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 02:46:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 02:46:40,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-28 02:46:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 02:46:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-28 02:46:40,333 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 19 [2019-11-28 02:46:40,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:40,333 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-28 02:46:40,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:46:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-28 02:46:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:46:40,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:40,335 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:40,335 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:40,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1517605058, now seen corresponding path program 1 times [2019-11-28 02:46:40,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:40,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364774456] [2019-11-28 02:46:40,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,536 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 02:46:40,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364774456] [2019-11-28 02:46:40,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795493397] [2019-11-28 02:46:40,537 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 02:46:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:46:40,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:40,591 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 02:46:40,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:40,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2019-11-28 02:46:40,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746932119] [2019-11-28 02:46:40,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:46:40,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:40,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:46:40,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:46:40,599 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 10 states. [2019-11-28 02:46:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:40,781 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-11-28 02:46:40,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:46:40,781 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-28 02:46:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:40,782 INFO L225 Difference]: With dead ends: 25 [2019-11-28 02:46:40,782 INFO L226 Difference]: Without dead ends: 25 [2019-11-28 02:46:40,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:46:40,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-28 02:46:40,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2019-11-28 02:46:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 02:46:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-28 02:46:40,786 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 19 [2019-11-28 02:46:40,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:40,787 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-28 02:46:40,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:46:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-28 02:46:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 02:46:40,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:40,788 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:40,988 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:40,989 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:40,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1135899523, now seen corresponding path program 2 times [2019-11-28 02:46:40,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:40,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484201494] [2019-11-28 02:46:40,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,132 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 02:46:41,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484201494] [2019-11-28 02:46:41,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258046298] [2019-11-28 02:46:41,133 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 02:46:41,170 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 02:46:41,170 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:41,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 02:46:41,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:41,186 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 02:46:41,187 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:41,203 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:41,204 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:46:41,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 02:46:41,257 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 02:46:41,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:46:41,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2019-11-28 02:46:41,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840635317] [2019-11-28 02:46:41,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:46:41,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:41,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:46:41,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:46:41,261 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 6 states. [2019-11-28 02:46:41,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:41,327 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-11-28 02:46:41,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:46:41,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 02:46:41,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:41,328 INFO L225 Difference]: With dead ends: 22 [2019-11-28 02:46:41,328 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 02:46:41,329 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 02:46:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 02:46:41,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 02:46:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 02:46:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 02:46:41,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-28 02:46:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:41,330 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:46:41,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:46:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:46:41,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:46:41,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:41,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:41 BoogieIcfgContainer [2019-11-28 02:46:41,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:46:41,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:46:41,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:46:41,540 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:46:41,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:37" (3/4) ... [2019-11-28 02:46:41,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:46:41,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 02:46:41,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 02:46:41,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getNumbers [2019-11-28 02:46:41,560 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-28 02:46:41,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 02:46:41,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 02:46:41,595 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:46:41,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:46:41,597 INFO L168 Benchmark]: Toolchain (without parser) took 4664.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 960.4 MB in the beginning and 822.1 MB in the end (delta: 138.3 MB). Peak memory consumption was 274.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:41,598 INFO L168 Benchmark]: CDTParser took 0.29 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 02:46:41,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.52 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:41,599 INFO L168 Benchmark]: Boogie Preprocessor took 103.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:41,600 INFO L168 Benchmark]: RCFGBuilder took 260.18 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:41,600 INFO L168 Benchmark]: TraceAbstraction took 3947.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.1 MB in the end (delta: 283.5 MB). Peak memory consumption was 283.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:41,601 INFO L168 Benchmark]: Witness Printer took 56.16 ms. Allocated memory is still 1.2 GB. Free memory is still 822.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:46:41,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 292.52 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 260.18 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3947.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 822.1 MB in the end (delta: 283.5 MB). Peak memory consumption was 283.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.16 ms. Allocated memory is still 1.2 GB. Free memory is still 822.1 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: 3.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 112 SDslu, 111 SDs, 0 SdLazy, 305 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s 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, 1.3s 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...