./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/getNumbers2.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/getNumbers2.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 e872a0dffbf376eb2d8b1e3516401a8dafe115a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:46:35,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:46:35,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:46:35,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:46:35,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:46:35,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:46:35,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:46:35,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:46:35,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:46:35,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:46:35,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:46:35,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:46:35,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:46:35,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:46:35,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:46:35,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:46:35,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:46:35,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:46:35,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:46:35,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:46:35,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:46:35,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:46:35,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:46:35,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:46:35,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:46:35,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:46:35,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:46:35,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:46:35,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:46:35,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:46:35,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:46:35,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:46:35,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:46:35,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:46:35,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:46:35,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:46:35,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:46:35,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:46:35,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:46:35,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:46:35,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:46:35,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:46:35,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:46:35,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:46:35,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:46:35,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:46:35,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:46:35,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:46:35,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:46:35,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:46:35,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:46:35,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:46:35,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:46:35,534 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:46:35,534 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:46:35,535 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:46:35,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:46:35,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:46:35,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:46:35,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:46:35,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:46:35,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:46:35,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:46:35,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:46:35,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:46:35,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:46:35,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:46:35,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:46:35,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:46:35,538 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 -> e872a0dffbf376eb2d8b1e3516401a8dafe115a6 [2019-11-28 02:46:35,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:46:35,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:46:35,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:46:35,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:46:35,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:46:35,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2019-11-28 02:46:35,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14c18e05/c30c3e319d5f43a7a5ce2cc6eac8f126/FLAG9842f0d00 [2019-11-28 02:46:36,341 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:46:36,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/getNumbers2.c [2019-11-28 02:46:36,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14c18e05/c30c3e319d5f43a7a5ce2cc6eac8f126/FLAG9842f0d00 [2019-11-28 02:46:36,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14c18e05/c30c3e319d5f43a7a5ce2cc6eac8f126 [2019-11-28 02:46:36,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:46:36,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:46:36,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:36,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:46:36,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:46:36,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:36" (1/1) ... [2019-11-28 02:46:36,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f325c2 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 02:46:36,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:36" (1/1) ... [2019-11-28 02:46:36,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:46:36,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:46:36,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:37,002 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:46:37,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:37,049 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:46:37,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:37 WrapperNode [2019-11-28 02:46:37,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:37,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:46:37,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:46:37,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:46:37,121 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 02:46:37,121 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 02:46:37,129 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 02:46:37,129 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 02:46:37,136 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 02:46:37,141 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 02:46:37,143 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 02:46:37,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:46:37,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:46:37,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:46:37,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:46:37,147 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 02:46:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:46:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:46:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2019-11-28 02:46:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers2 [2019-11-28 02:46:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers2 [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:46:37,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:46:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:46:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:46:37,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:46:37,448 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:46:37,448 INFO L297 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-28 02:46:37,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:37 BoogieIcfgContainer [2019-11-28 02:46:37,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:46:37,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:46:37,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:46:37,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:46:37,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:36" (1/3) ... [2019-11-28 02:46:37,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373d7b8e 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 02:46:37,456 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 02:46:37,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373d7b8e 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 02:46:37,457 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 02:46:37,458 INFO L109 eAbstractionObserver]: Analyzing ICFG getNumbers2.c [2019-11-28 02:46:37,468 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:46:37,476 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-11-28 02:46:37,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-11-28 02:46:37,513 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:46:37,514 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:46:37,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:46:37,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:46:37,515 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:46:37,515 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:46:37,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:46:37,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:46:37,560 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-11-28 02:46:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 02:46:37,582 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:37,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:37,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:37,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:37,600 INFO L82 PathProgramCache]: Analyzing trace with hash -262167437, now seen corresponding path program 1 times [2019-11-28 02:46:37,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:37,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615361942] [2019-11-28 02:46:37,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:37,887 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 02:46:37,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615361942] [2019-11-28 02:46:37,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:37,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:46:37,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102748593] [2019-11-28 02:46:37,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:46:37,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:37,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:46:37,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:46:37,909 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 5 states. [2019-11-28 02:46:38,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:38,143 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-11-28 02:46:38,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:46:38,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-28 02:46:38,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:38,155 INFO L225 Difference]: With dead ends: 43 [2019-11-28 02:46:38,155 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 02:46:38,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 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 02:46:38,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 02:46:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2019-11-28 02:46:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-28 02:46:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2019-11-28 02:46:38,198 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 10 [2019-11-28 02:46:38,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:38,199 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2019-11-28 02:46:38,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:46:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2019-11-28 02:46:38,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 02:46:38,200 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:38,200 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:38,201 INFO L410 AbstractCegarLoop]: === Iteration 2 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:38,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:38,201 INFO L82 PathProgramCache]: Analyzing trace with hash -262167438, now seen corresponding path program 1 times [2019-11-28 02:46:38,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:38,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145551131] [2019-11-28 02:46:38,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,275 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 02:46:38,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145551131] [2019-11-28 02:46:38,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:38,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:46:38,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246648178] [2019-11-28 02:46:38,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:46:38,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:38,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:46:38,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:46:38,279 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 4 states. [2019-11-28 02:46:38,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:38,392 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-11-28 02:46:38,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:46:38,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 02:46:38,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:38,394 INFO L225 Difference]: With dead ends: 37 [2019-11-28 02:46:38,394 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 02:46:38,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:46:38,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 02:46:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-28 02:46:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-28 02:46:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-11-28 02:46:38,402 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 10 [2019-11-28 02:46:38,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:38,403 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-11-28 02:46:38,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:46:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-11-28 02:46:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:46:38,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:38,404 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:38,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:38,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:38,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1979581628, now seen corresponding path program 1 times [2019-11-28 02:46:38,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:38,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856690978] [2019-11-28 02:46:38,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:38,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856690978] [2019-11-28 02:46:38,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:38,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:46:38,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332034007] [2019-11-28 02:46:38,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:46:38,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:38,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:46:38,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:46:38,594 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 7 states. [2019-11-28 02:46:38,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:38,764 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2019-11-28 02:46:38,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:46:38,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-28 02:46:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:38,766 INFO L225 Difference]: With dead ends: 37 [2019-11-28 02:46:38,767 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 02:46:38,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:46:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 02:46:38,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2019-11-28 02:46:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 02:46:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-11-28 02:46:38,773 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 13 [2019-11-28 02:46:38,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:38,774 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-11-28 02:46:38,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:46:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-11-28 02:46:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:46:38,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:38,776 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:38,776 INFO L410 AbstractCegarLoop]: === Iteration 4 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:38,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:38,777 INFO L82 PathProgramCache]: Analyzing trace with hash -157413641, now seen corresponding path program 1 times [2019-11-28 02:46:38,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:38,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021709384] [2019-11-28 02:46:38,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:38,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021709384] [2019-11-28 02:46:38,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646135689] [2019-11-28 02:46:38,936 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 02:46:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:38,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 02:46:38,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:39,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:39,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 9 [2019-11-28 02:46:39,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017479458] [2019-11-28 02:46:39,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:46:39,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:39,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:46:39,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:46:39,017 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 9 states. [2019-11-28 02:46:39,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:39,298 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2019-11-28 02:46:39,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:46:39,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-28 02:46:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:39,301 INFO L225 Difference]: With dead ends: 44 [2019-11-28 02:46:39,301 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 02:46:39,302 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:46:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 02:46:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-11-28 02:46:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 02:46:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-11-28 02:46:39,314 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 18 [2019-11-28 02:46:39,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:39,315 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-11-28 02:46:39,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:46:39,316 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-11-28 02:46:39,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:46:39,319 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:39,319 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:39,520 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:39,520 INFO L410 AbstractCegarLoop]: === Iteration 5 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash -680983352, now seen corresponding path program 2 times [2019-11-28 02:46:39,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:39,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592188535] [2019-11-28 02:46:39,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,648 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 02:46:39,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592188535] [2019-11-28 02:46:39,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:39,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 02:46:39,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111020741] [2019-11-28 02:46:39,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:46:39,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:39,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:46:39,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:46:39,652 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 8 states. [2019-11-28 02:46:39,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:39,842 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2019-11-28 02:46:39,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:46:39,843 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-28 02:46:39,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:39,844 INFO L225 Difference]: With dead ends: 39 [2019-11-28 02:46:39,844 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 02:46:39,845 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:46:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 02:46:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2019-11-28 02:46:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-28 02:46:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-11-28 02:46:39,849 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 21 [2019-11-28 02:46:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:39,850 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-11-28 02:46:39,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:46:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-11-28 02:46:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:46:39,851 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:39,851 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:39,852 INFO L410 AbstractCegarLoop]: === Iteration 6 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:39,852 INFO L82 PathProgramCache]: Analyzing trace with hash -680983351, now seen corresponding path program 1 times [2019-11-28 02:46:39,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:39,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261906042] [2019-11-28 02:46:39,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,061 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 02:46:40,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261906042] [2019-11-28 02:46:40,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627777340] [2019-11-28 02:46:40,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 02:46:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:46:40,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:40,115 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 02:46:40,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:40,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2019-11-28 02:46:40,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816243533] [2019-11-28 02:46:40,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:46:40,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:40,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:46:40,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:46:40,118 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 10 states. [2019-11-28 02:46:40,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:40,375 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2019-11-28 02:46:40,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:46:40,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-11-28 02:46:40,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:40,376 INFO L225 Difference]: With dead ends: 42 [2019-11-28 02:46:40,377 INFO L226 Difference]: Without dead ends: 42 [2019-11-28 02:46:40,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 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 02:46:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-11-28 02:46:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-11-28 02:46:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 02:46:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-11-28 02:46:40,383 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 21 [2019-11-28 02:46:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:40,383 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-11-28 02:46:40,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:46:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-11-28 02:46:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:46:40,385 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:40,385 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:40,588 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:40,594 INFO L410 AbstractCegarLoop]: === Iteration 7 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:40,594 INFO L82 PathProgramCache]: Analyzing trace with hash 974975320, now seen corresponding path program 2 times [2019-11-28 02:46:40,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:40,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701304763] [2019-11-28 02:46:40,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:40,698 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 02:46:40,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701304763] [2019-11-28 02:46:40,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349124089] [2019-11-28 02:46:40,699 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 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 02:46:40,765 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 02:46:40,765 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:40,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 02:46:40,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:40,810 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 02:46:40,811 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:40,817 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:40,817 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:46:40,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-28 02:46:40,885 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:40,885 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-11-28 02:46:40,887 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:40,905 INFO L588 ElimStorePlain]: treesize reduction 14, result has 54.8 percent of original size [2019-11-28 02:46:40,906 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 02:46:40,906 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2019-11-28 02:46:40,963 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 02:46:40,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:46:40,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2019-11-28 02:46:40,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562538845] [2019-11-28 02:46:40,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:46:40,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:40,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:46:40,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:46:40,966 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 7 states. [2019-11-28 02:46:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:41,081 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2019-11-28 02:46:41,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:46:41,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-11-28 02:46:41,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:41,083 INFO L225 Difference]: With dead ends: 40 [2019-11-28 02:46:41,083 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 02:46:41,084 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-11-28 02:46:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 02:46:41,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 02:46:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 02:46:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-11-28 02:46:41,089 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 24 [2019-11-28 02:46:41,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:41,089 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-11-28 02:46:41,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:46:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-11-28 02:46:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:41,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:41,091 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:41,294 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:41,295 INFO L410 AbstractCegarLoop]: === Iteration 8 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:41,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:41,296 INFO L82 PathProgramCache]: Analyzing trace with hash 159463802, now seen corresponding path program 1 times [2019-11-28 02:46:41,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:41,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366092734] [2019-11-28 02:46:41,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,360 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 02:46:41,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366092734] [2019-11-28 02:46:41,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:46:41,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:46:41,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176134406] [2019-11-28 02:46:41,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:46:41,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:41,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:46:41,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:46:41,362 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2019-11-28 02:46:41,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:41,424 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2019-11-28 02:46:41,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:46:41,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 02:46:41,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:41,426 INFO L225 Difference]: With dead ends: 39 [2019-11-28 02:46:41,426 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 02:46:41,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:46:41,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 02:46:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 02:46:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 02:46:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-11-28 02:46:41,431 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 25 [2019-11-28 02:46:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:41,431 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-11-28 02:46:41,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:46:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-11-28 02:46:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:46:41,432 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:41,433 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:41,433 INFO L410 AbstractCegarLoop]: === Iteration 9 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:41,433 INFO L82 PathProgramCache]: Analyzing trace with hash 159463803, now seen corresponding path program 1 times [2019-11-28 02:46:41,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:41,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579580282] [2019-11-28 02:46:41,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,539 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 02:46:41,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579580282] [2019-11-28 02:46:41,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783485856] [2019-11-28 02:46:41,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 02:46:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:41,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:46:41,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:41,627 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 02:46:41,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:41,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 8 [2019-11-28 02:46:41,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340897712] [2019-11-28 02:46:41,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:46:41,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:41,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:46:41,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:46:41,632 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 8 states. [2019-11-28 02:46:41,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:41,749 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-11-28 02:46:41,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:46:41,750 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-11-28 02:46:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:41,751 INFO L225 Difference]: With dead ends: 44 [2019-11-28 02:46:41,751 INFO L226 Difference]: Without dead ends: 44 [2019-11-28 02:46:41,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:46:41,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-28 02:46:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2019-11-28 02:46:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-28 02:46:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2019-11-28 02:46:41,763 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 25 [2019-11-28 02:46:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:41,763 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2019-11-28 02:46:41,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:46:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2019-11-28 02:46:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:46:41,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:41,765 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:41,969 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:41,969 INFO L410 AbstractCegarLoop]: === Iteration 10 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash -532789622, now seen corresponding path program 2 times [2019-11-28 02:46:41,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:41,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595117500] [2019-11-28 02:46:41,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:42,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595117500] [2019-11-28 02:46:42,096 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493240723] [2019-11-28 02:46:42,096 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:42,138 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-28 02:46:42,138 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:42,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 02:46:42,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:42,152 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 02:46:42,152 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:46:42,158 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:46:42,158 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:46:42,159 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-11-28 02:46:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-28 02:46:42,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 02:46:42,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2019-11-28 02:46:42,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716475771] [2019-11-28 02:46:42,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:46:42,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:42,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:46:42,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:42,195 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 4 states. [2019-11-28 02:46:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:42,222 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2019-11-28 02:46:42,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:46:42,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-11-28 02:46:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:42,223 INFO L225 Difference]: With dead ends: 41 [2019-11-28 02:46:42,223 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 02:46:42,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 02:46:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-28 02:46:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-28 02:46:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-11-28 02:46:42,227 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 28 [2019-11-28 02:46:42,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:42,228 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-11-28 02:46:42,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:46:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-11-28 02:46:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 02:46:42,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:42,229 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:42,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:42,434 INFO L410 AbstractCegarLoop]: === Iteration 11 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:42,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:42,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1115740543, now seen corresponding path program 1 times [2019-11-28 02:46:42,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:42,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775907554] [2019-11-28 02:46:42,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-28 02:46:42,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775907554] [2019-11-28 02:46:42,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805559564] [2019-11-28 02:46:42,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:42,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 02:46:42,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:46:42,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:42,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-28 02:46:42,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661045343] [2019-11-28 02:46:42,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:46:42,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:42,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:46:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:46:42,627 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 12 states. [2019-11-28 02:46:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:42,755 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-11-28 02:46:42,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 02:46:42,755 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-11-28 02:46:42,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:42,756 INFO L225 Difference]: With dead ends: 55 [2019-11-28 02:46:42,756 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 02:46:42,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:46:42,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 02:46:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2019-11-28 02:46:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 02:46:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2019-11-28 02:46:42,765 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 36 [2019-11-28 02:46:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:42,765 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2019-11-28 02:46:42,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:46:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2019-11-28 02:46:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-28 02:46:42,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:42,771 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:42,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:42,974 INFO L410 AbstractCegarLoop]: === Iteration 12 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:42,974 INFO L82 PathProgramCache]: Analyzing trace with hash 391670476, now seen corresponding path program 2 times [2019-11-28 02:46:42,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:42,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828812033] [2019-11-28 02:46:42,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:43,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828812033] [2019-11-28 02:46:43,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893500093] [2019-11-28 02:46:43,167 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:43,211 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 02:46:43,211 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:43,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:46:43,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-28 02:46:43,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:43,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 14 [2019-11-28 02:46:43,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937107411] [2019-11-28 02:46:43,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 02:46:43,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:43,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 02:46:43,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:46:43,225 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 14 states. [2019-11-28 02:46:43,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:43,356 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-11-28 02:46:43,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:46:43,357 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2019-11-28 02:46:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:43,358 INFO L225 Difference]: With dead ends: 54 [2019-11-28 02:46:43,358 INFO L226 Difference]: Without dead ends: 54 [2019-11-28 02:46:43,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:46:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-11-28 02:46:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2019-11-28 02:46:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-28 02:46:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2019-11-28 02:46:43,363 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 44 [2019-11-28 02:46:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:43,364 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2019-11-28 02:46:43,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 02:46:43,364 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2019-11-28 02:46:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-28 02:46:43,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:43,365 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:43,568 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:43,569 INFO L410 AbstractCegarLoop]: === Iteration 13 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:43,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:43,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1881551523, now seen corresponding path program 3 times [2019-11-28 02:46:43,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:43,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725281562] [2019-11-28 02:46:43,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:43,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725281562] [2019-11-28 02:46:43,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619682315] [2019-11-28 02:46:43,795 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:43,874 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-28 02:46:43,875 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:43,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:46:43,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-28 02:46:43,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:43,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2019-11-28 02:46:43,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300549706] [2019-11-28 02:46:43,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 02:46:43,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:43,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 02:46:43,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-11-28 02:46:43,954 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 18 states. [2019-11-28 02:46:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:44,123 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2019-11-28 02:46:44,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 02:46:44,124 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2019-11-28 02:46:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:44,124 INFO L225 Difference]: With dead ends: 66 [2019-11-28 02:46:44,125 INFO L226 Difference]: Without dead ends: 66 [2019-11-28 02:46:44,125 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2019-11-28 02:46:44,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-28 02:46:44,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2019-11-28 02:46:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 02:46:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-11-28 02:46:44,130 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 47 [2019-11-28 02:46:44,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:44,130 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-11-28 02:46:44,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 02:46:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-11-28 02:46:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 02:46:44,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:44,132 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:44,336 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:44,336 INFO L410 AbstractCegarLoop]: === Iteration 14 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:44,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:44,337 INFO L82 PathProgramCache]: Analyzing trace with hash -420814862, now seen corresponding path program 4 times [2019-11-28 02:46:44,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:44,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185243852] [2019-11-28 02:46:44,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:44,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185243852] [2019-11-28 02:46:44,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520566803] [2019-11-28 02:46:44,543 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:44,594 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-28 02:46:44,595 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:44,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 02:46:44,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 02:46:44,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:44,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10] total 17 [2019-11-28 02:46:44,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105526064] [2019-11-28 02:46:44,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-28 02:46:44,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:44,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-28 02:46:44,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-28 02:46:44,609 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 17 states. [2019-11-28 02:46:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:44,759 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-11-28 02:46:44,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:46:44,760 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2019-11-28 02:46:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:44,760 INFO L225 Difference]: With dead ends: 65 [2019-11-28 02:46:44,761 INFO L226 Difference]: Without dead ends: 65 [2019-11-28 02:46:44,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-11-28 02:46:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-28 02:46:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-11-28 02:46:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 02:46:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2019-11-28 02:46:44,765 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 55 [2019-11-28 02:46:44,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:44,766 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2019-11-28 02:46:44,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-28 02:46:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2019-11-28 02:46:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 02:46:44,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:44,767 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:44,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:44,974 INFO L410 AbstractCegarLoop]: === Iteration 15 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:44,975 INFO L82 PathProgramCache]: Analyzing trace with hash 548858049, now seen corresponding path program 5 times [2019-11-28 02:46:44,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:44,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049347522] [2019-11-28 02:46:44,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:45,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049347522] [2019-11-28 02:46:45,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091740154] [2019-11-28 02:46:45,217 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:45,348 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-11-28 02:46:45,348 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:45,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:46:45,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-28 02:46:45,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:45,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6] total 20 [2019-11-28 02:46:45,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292410530] [2019-11-28 02:46:45,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-28 02:46:45,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:45,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-28 02:46:45,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-11-28 02:46:45,388 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 20 states. [2019-11-28 02:46:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:45,589 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2019-11-28 02:46:45,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 02:46:45,590 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2019-11-28 02:46:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:45,593 INFO L225 Difference]: With dead ends: 77 [2019-11-28 02:46:45,593 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 02:46:45,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2019-11-28 02:46:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 02:46:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2019-11-28 02:46:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 02:46:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2019-11-28 02:46:45,605 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 58 [2019-11-28 02:46:45,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:45,605 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2019-11-28 02:46:45,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-28 02:46:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2019-11-28 02:46:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-28 02:46:45,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:45,607 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:45,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:45,812 INFO L410 AbstractCegarLoop]: === Iteration 16 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:45,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:45,813 INFO L82 PathProgramCache]: Analyzing trace with hash 897764172, now seen corresponding path program 6 times [2019-11-28 02:46:45,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:45,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270711069] [2019-11-28 02:46:45,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:46:46,059 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270711069] [2019-11-28 02:46:46,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202715960] [2019-11-28 02:46:46,060 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:46,188 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2019-11-28 02:46:46,188 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:46,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 02:46:46,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-11-28 02:46:46,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:46,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 7] total 21 [2019-11-28 02:46:46,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089846072] [2019-11-28 02:46:46,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-28 02:46:46,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:46,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-28 02:46:46,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2019-11-28 02:46:46,222 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 21 states. [2019-11-28 02:46:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:46,409 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2019-11-28 02:46:46,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 02:46:46,409 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 66 [2019-11-28 02:46:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:46,410 INFO L225 Difference]: With dead ends: 83 [2019-11-28 02:46:46,410 INFO L226 Difference]: Without dead ends: 83 [2019-11-28 02:46:46,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2019-11-28 02:46:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-28 02:46:46,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-28 02:46:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-28 02:46:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2019-11-28 02:46:46,415 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 66 [2019-11-28 02:46:46,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:46,416 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2019-11-28 02:46:46,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-28 02:46:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2019-11-28 02:46:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-28 02:46:46,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:46,417 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:46,620 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:46,621 INFO L410 AbstractCegarLoop]: === Iteration 17 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash -243103583, now seen corresponding path program 7 times [2019-11-28 02:46:46,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:46,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859967691] [2019-11-28 02:46:46,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:46,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859967691] [2019-11-28 02:46:46,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191200933] [2019-11-28 02:46:46,783 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:46,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:46:46,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:46,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:46,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 11 [2019-11-28 02:46:46,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061359494] [2019-11-28 02:46:46,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:46:46,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:46,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:46:46,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:46,892 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 11 states. [2019-11-28 02:46:47,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:47,044 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2019-11-28 02:46:47,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:46:47,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2019-11-28 02:46:47,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:47,046 INFO L225 Difference]: With dead ends: 88 [2019-11-28 02:46:47,046 INFO L226 Difference]: Without dead ends: 88 [2019-11-28 02:46:47,047 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:46:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-28 02:46:47,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2019-11-28 02:46:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 02:46:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2019-11-28 02:46:47,051 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 74 [2019-11-28 02:46:47,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:47,052 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2019-11-28 02:46:47,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:46:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2019-11-28 02:46:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-28 02:46:47,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:47,054 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:47,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:47,258 INFO L410 AbstractCegarLoop]: === Iteration 18 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:47,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:47,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1204178333, now seen corresponding path program 8 times [2019-11-28 02:46:47,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:47,259 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287741555] [2019-11-28 02:46:47,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:47,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287741555] [2019-11-28 02:46:47,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569538274] [2019-11-28 02:46:47,449 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:47,513 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 02:46:47,513 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:47,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 02:46:47,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:47,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:47,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 12 [2019-11-28 02:46:47,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588091550] [2019-11-28 02:46:47,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:46:47,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:47,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:46:47,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:46:47,543 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 12 states. [2019-11-28 02:46:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:47,668 INFO L93 Difference]: Finished difference Result 93 states and 94 transitions. [2019-11-28 02:46:47,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:46:47,669 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2019-11-28 02:46:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:47,670 INFO L225 Difference]: With dead ends: 93 [2019-11-28 02:46:47,670 INFO L226 Difference]: Without dead ends: 93 [2019-11-28 02:46:47,670 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:46:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-28 02:46:47,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2019-11-28 02:46:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-28 02:46:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2019-11-28 02:46:47,675 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 79 [2019-11-28 02:46:47,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:47,675 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2019-11-28 02:46:47,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:46:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2019-11-28 02:46:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-28 02:46:47,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:47,678 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:47,879 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:47,879 INFO L410 AbstractCegarLoop]: === Iteration 19 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2025699807, now seen corresponding path program 9 times [2019-11-28 02:46:47,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:47,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795835943] [2019-11-28 02:46:47,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:48,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795835943] [2019-11-28 02:46:48,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476773074] [2019-11-28 02:46:48,062 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:48,307 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-11-28 02:46:48,308 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:48,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 02:46:48,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 28 proven. 112 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-11-28 02:46:48,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:48,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 15 [2019-11-28 02:46:48,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244653318] [2019-11-28 02:46:48,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:46:48,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:48,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:46:48,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:46:48,348 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 15 states. [2019-11-28 02:46:48,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:48,523 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2019-11-28 02:46:48,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 02:46:48,524 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 84 [2019-11-28 02:46:48,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:48,525 INFO L225 Difference]: With dead ends: 98 [2019-11-28 02:46:48,525 INFO L226 Difference]: Without dead ends: 98 [2019-11-28 02:46:48,526 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2019-11-28 02:46:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-28 02:46:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2019-11-28 02:46:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-28 02:46:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 95 transitions. [2019-11-28 02:46:48,529 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 95 transitions. Word has length 84 [2019-11-28 02:46:48,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:48,529 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 95 transitions. [2019-11-28 02:46:48,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:46:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 95 transitions. [2019-11-28 02:46:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-28 02:46:48,531 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:48,531 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:48,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:48,739 INFO L410 AbstractCegarLoop]: === Iteration 20 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:48,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:48,740 INFO L82 PathProgramCache]: Analyzing trace with hash -809435107, now seen corresponding path program 10 times [2019-11-28 02:46:48,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:48,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790055539] [2019-11-28 02:46:48,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:48,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790055539] [2019-11-28 02:46:48,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926976247] [2019-11-28 02:46:48,931 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:49,315 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-28 02:46:49,315 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:49,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 02:46:49,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:49,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:49,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 14 [2019-11-28 02:46:49,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047900825] [2019-11-28 02:46:49,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 02:46:49,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:49,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 02:46:49,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:46:49,333 INFO L87 Difference]: Start difference. First operand 94 states and 95 transitions. Second operand 14 states. [2019-11-28 02:46:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:49,473 INFO L93 Difference]: Finished difference Result 103 states and 104 transitions. [2019-11-28 02:46:49,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 02:46:49,476 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2019-11-28 02:46:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:49,477 INFO L225 Difference]: With dead ends: 103 [2019-11-28 02:46:49,477 INFO L226 Difference]: Without dead ends: 103 [2019-11-28 02:46:49,477 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:46:49,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-28 02:46:49,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-11-28 02:46:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-28 02:46:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2019-11-28 02:46:49,480 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 89 [2019-11-28 02:46:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:49,481 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2019-11-28 02:46:49,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 02:46:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2019-11-28 02:46:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-28 02:46:49,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:49,482 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:49,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:49,683 INFO L410 AbstractCegarLoop]: === Iteration 21 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:49,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:49,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2070731871, now seen corresponding path program 11 times [2019-11-28 02:46:49,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:49,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539184290] [2019-11-28 02:46:49,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:46:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:49,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539184290] [2019-11-28 02:46:49,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154702102] [2019-11-28 02:46:49,866 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:51,041 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2019-11-28 02:46:51,042 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 02:46:51,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 02:46:51,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:46:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-28 02:46:51,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:46:51,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 15 [2019-11-28 02:46:51,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502894414] [2019-11-28 02:46:51,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:46:51,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:46:51,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:46:51,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:46:51,061 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 15 states. [2019-11-28 02:46:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:46:51,199 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2019-11-28 02:46:51,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:46:51,200 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 94 [2019-11-28 02:46:51,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:46:51,201 INFO L225 Difference]: With dead ends: 104 [2019-11-28 02:46:51,201 INFO L226 Difference]: Without dead ends: 104 [2019-11-28 02:46:51,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:46:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-28 02:46:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-11-28 02:46:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-28 02:46:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 105 transitions. [2019-11-28 02:46:51,204 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 105 transitions. Word has length 94 [2019-11-28 02:46:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:46:51,204 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 105 transitions. [2019-11-28 02:46:51,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:46:51,204 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2019-11-28 02:46:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-28 02:46:51,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:51,205 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:51,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:46:51,410 INFO L410 AbstractCegarLoop]: === Iteration 22 === [getNumbers2Err1REQUIRES_VIOLATION, getNumbers2Err0REQUIRES_VIOLATION, getNumbers2Err2REQUIRES_VIOLATION, getNumbers2Err3REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION]=== [2019-11-28 02:46:51,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:51,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1646357859, now seen corresponding path program 12 times [2019-11-28 02:46:51,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:51,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405050535] [2019-11-28 02:46:51,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:51,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:46:51,562 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:46:51,611 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 43 could not be translated for associated CType ARRAY#_10_~INT# [2019-11-28 02:46:51,612 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 44 could not be translated for associated CType ARRAY#_10_~INT# [2019-11-28 02:46:51,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:51 BoogieIcfgContainer [2019-11-28 02:46:51,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:46:51,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:46:51,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:46:51,649 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:46:51,650 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 02:46:51,652 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:46:51,657 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 43 could not be translated for associated CType ARRAY#_10_~INT# [2019-11-28 02:46:51,658 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 44 could not be translated for associated CType ARRAY#_10_~INT# [2019-11-28 02:46:51,738 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:46:51,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:46:51,740 INFO L168 Benchmark]: Toolchain (without parser) took 14967.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 963.1 MB in the beginning and 874.3 MB in the end (delta: 88.7 MB). Peak memory consumption was 403.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:51,740 INFO L168 Benchmark]: CDTParser took 0.27 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 02:46:51,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.16 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:51,745 INFO L168 Benchmark]: Boogie Preprocessor took 93.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:51,745 INFO L168 Benchmark]: RCFGBuilder took 304.34 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:51,746 INFO L168 Benchmark]: TraceAbstraction took 14197.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 247.5 MB). Peak memory consumption was 411.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:51,746 INFO L168 Benchmark]: Witness Printer took 89.75 ms. Allocated memory is still 1.3 GB. Free memory was 874.3 MB in the beginning and 874.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 02:46:51,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 276.16 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 304.34 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14197.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 247.5 MB). Peak memory consumption was 411.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.75 ms. Allocated memory is still 1.3 GB. Free memory was 874.3 MB in the beginning and 874.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 43 could not be translated for associated CType ARRAY#_10_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 44 could not be translated for associated CType ARRAY#_10_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 43 could not be translated for associated CType ARRAY#_10_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 44 could not be translated for associated CType ARRAY#_10_~INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1] int array[10]; VAL [\old(array)=null, \old(array)=null, array={11:0}] [L25] CALL, EXPR getNumbers2() VAL [array={11:0}] [L13] CALL, EXPR getNumbers() VAL [array={11:0}] [L5] int i = 0; VAL [array={11:0}, i=0] [L5] COND TRUE i < 10 VAL [array={11:0}, i=0] [L6] array[i] = i VAL [array={11:0}, i=0] [L5] ++i VAL [array={11:0}, i=1] [L5] COND TRUE i < 10 VAL [array={11:0}, i=1] [L6] array[i] = i VAL [array={11:0}, i=1] [L5] ++i VAL [array={11:0}, i=2] [L5] COND TRUE i < 10 VAL [array={11:0}, i=2] [L6] array[i] = i VAL [array={11:0}, i=2] [L5] ++i VAL [array={11:0}, i=3] [L5] COND TRUE i < 10 VAL [array={11:0}, i=3] [L6] array[i] = i VAL [array={11:0}, i=3] [L5] ++i VAL [array={11:0}, i=4] [L5] COND TRUE i < 10 VAL [array={11:0}, i=4] [L6] array[i] = i VAL [array={11:0}, i=4] [L5] ++i VAL [array={11:0}, i=5] [L5] COND TRUE i < 10 VAL [array={11:0}, i=5] [L6] array[i] = i VAL [array={11:0}, i=5] [L5] ++i VAL [array={11:0}, i=6] [L5] COND TRUE i < 10 VAL [array={11:0}, i=6] [L6] array[i] = i VAL [array={11:0}, i=6] [L5] ++i VAL [array={11:0}, i=7] [L5] COND TRUE i < 10 VAL [array={11:0}, i=7] [L6] array[i] = i VAL [array={11:0}, i=7] [L5] ++i VAL [array={11:0}, i=8] [L5] COND TRUE i < 10 VAL [array={11:0}, i=8] [L6] array[i] = i VAL [array={11:0}, i=8] [L5] ++i VAL [array={11:0}, i=9] [L5] COND TRUE i < 10 VAL [array={11:0}, i=9] [L6] array[i] = i VAL [array={11:0}, i=9] [L5] ++i VAL [array={11:0}, i=10] [L5] COND FALSE !(i < 10) VAL [array={11:0}, i=10] [L9] return array; VAL [\result={11:0}, array={11:0}, i=10] [L13] RET, EXPR getNumbers() VAL [array={11:0}, getNumbers()={11:0}] [L13] int* numbers = getNumbers(); [L15] int numbers2[10]; [L17] int i = 0; VAL [array={11:0}, i=0, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=0, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=0, numbers={11:0}, numbers2={10:0}, numbers[i]=0] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=0, numbers={11:0}, numbers2={10:0}, numbers[i]=0] [L17] ++i VAL [array={11:0}, i=1, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=1, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=1, numbers={11:0}, numbers2={10:0}, numbers[i]=1] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=1, numbers={11:0}, numbers2={10:0}, numbers[i]=1] [L17] ++i VAL [array={11:0}, i=2, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=2, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=2, numbers={11:0}, numbers2={10:0}, numbers[i]=2] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=2, numbers={11:0}, numbers2={10:0}, numbers[i]=2] [L17] ++i VAL [array={11:0}, i=3, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=3, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=3, numbers={11:0}, numbers2={10:0}, numbers[i]=3] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=3, numbers={11:0}, numbers2={10:0}, numbers[i]=3] [L17] ++i VAL [array={11:0}, i=4, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=4, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=4, numbers={11:0}, numbers2={10:0}, numbers[i]=4] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=4, numbers={11:0}, numbers2={10:0}, numbers[i]=4] [L17] ++i VAL [array={11:0}, i=5, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=5, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=5, numbers={11:0}, numbers2={10:0}, numbers[i]=5] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=5, numbers={11:0}, numbers2={10:0}, numbers[i]=5] [L17] ++i VAL [array={11:0}, i=6, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=6, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=6, numbers={11:0}, numbers2={10:0}, numbers[i]=6] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=6, numbers={11:0}, numbers2={10:0}, numbers[i]=6] [L17] ++i VAL [array={11:0}, i=7, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=7, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=7, numbers={11:0}, numbers2={10:0}, numbers[i]=7] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=7, numbers={11:0}, numbers2={10:0}, numbers[i]=7] [L17] ++i VAL [array={11:0}, i=8, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=8, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=8, numbers={11:0}, numbers2={10:0}, numbers[i]=8] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=8, numbers={11:0}, numbers2={10:0}, numbers[i]=8] [L17] ++i VAL [array={11:0}, i=9, numbers={11:0}, numbers2={10:0}] [L17] COND TRUE i < 10 VAL [array={11:0}, i=9, numbers={11:0}, numbers2={10:0}] [L18] EXPR numbers[i] VAL [array={11:0}, i=9, numbers={11:0}, numbers2={10:0}, numbers[i]=9] [L18] numbers2[i] = numbers[i] VAL [array={11:0}, i=9, numbers={11:0}, numbers2={10:0}, numbers[i]=9] [L17] ++i VAL [array={11:0}, i=10, numbers={11:0}, numbers2={10:0}] [L17] COND FALSE !(i < 10) VAL [array={11:0}, i=10, numbers={11:0}, numbers2={10:0}] [L21] return numbers2; [L21] return numbers2; VAL [\result={10:0}, array={11:0}, i=10, numbers={11:0}] [L25] RET, EXPR getNumbers2() VAL [array={11:0}, getNumbers2()={10:0}] [L25] int *numbers = getNumbers2(); [L26] numbers[0] = 100 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 9 error locations. Result: UNSAFE, OverallTime: 14.0s, OverallIterations: 22, TraceHistogramMax: 10, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 503 SDtfs, 565 SDslu, 2872 SDs, 0 SdLazy, 2334 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1143 GetRequests, 905 SyntacticMatches, 1 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 56 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1862 NumberOfCodeBlocks, 1815 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 1726 ConstructedInterpolants, 0 QuantifiedInterpolants, 245869 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2960 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 37 InterpolantComputations, 7 PerfectInterpolantSequences, 1811/3687 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 incorrect! Received shutdown request...