./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer --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 a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:09,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:09,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:09,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:09,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:09,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:09,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:09,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:09,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:09,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:09,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:09,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:09,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:09,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:09,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:09,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:09,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:09,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:09,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:09,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:09,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:09,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:09,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:09,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:09,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:09,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:09,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:09,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:09,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:09,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:09,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:09,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:09,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:09,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:09,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:09,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:09,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:09,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:09,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:09,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:09,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:09,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:00:09,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:09,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:09,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:09,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:09,602 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:09,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:00:09,603 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:00:09,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:00:09,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:09,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:09,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:09,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:09,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:09,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:09,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:09,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:09,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:09,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:09,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:09,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:09,606 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer 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 -> a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 [2019-10-22 09:00:09,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:09,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:09,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:09,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:09,668 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:09,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2019-10-22 09:00:09,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/data/51d8db83e/e62705e58978484f8d5c9dc64a045dd9/FLAGf5900f113 [2019-10-22 09:00:10,134 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:10,134 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2019-10-22 09:00:10,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/data/51d8db83e/e62705e58978484f8d5c9dc64a045dd9/FLAGf5900f113 [2019-10-22 09:00:10,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/data/51d8db83e/e62705e58978484f8d5c9dc64a045dd9 [2019-10-22 09:00:10,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:10,495 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:00:10,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:10,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:10,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:10,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:10,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b64472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10, skipping insertion in model container [2019-10-22 09:00:10,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:10,511 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:10,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:10,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:10,877 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:10,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:10,981 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:10,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10 WrapperNode [2019-10-22 09:00:10,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:10,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:10,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:10,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:10,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:10,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... [2019-10-22 09:00:11,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:11,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:11,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:11,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:11,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/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 [2019-10-22 09:00:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:00:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:00:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:00:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:00:11,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:00:11,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:00:11,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bubbleSort [2019-10-22 09:00:11,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:00:11,125 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:00:11,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:00:11,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:00:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:00:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:00:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:00:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:00:11,130 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:00:11,131 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:00:11,132 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:00:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:00:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:00:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:00:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:00:11,136 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:00:11,137 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:00:11,138 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:00:11,139 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:00:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:00:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:00:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:00:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:00:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:00:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure bubbleSort [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:00:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:11,699 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:11,699 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-22 09:00:11,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:11 BoogieIcfgContainer [2019-10-22 09:00:11,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:11,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:11,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:11,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:11,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:10" (1/3) ... [2019-10-22 09:00:11,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b4a51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:11, skipping insertion in model container [2019-10-22 09:00:11,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:10" (2/3) ... [2019-10-22 09:00:11,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b4a51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:11, skipping insertion in model container [2019-10-22 09:00:11,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:11" (3/3) ... [2019-10-22 09:00:11,712 INFO L109 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca-2.i [2019-10-22 09:00:11,722 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:11,731 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-10-22 09:00:11,742 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-10-22 09:00:11,772 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:11,772 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:00:11,772 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:11,773 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:11,773 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:11,773 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:11,773 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:11,773 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-10-22 09:00:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:11,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:11,803 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:11,804 INFO L410 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:11,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1981262773, now seen corresponding path program 1 times [2019-10-22 09:00:11,821 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:11,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216469064] [2019-10-22 09:00:11,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:11,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:11,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:11,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216469064] [2019-10-22 09:00:11,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:11,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:11,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220543843] [2019-10-22 09:00:11,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:11,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:11,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:11,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:11,997 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 4 states. [2019-10-22 09:00:12,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:12,145 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2019-10-22 09:00:12,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:12,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 09:00:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:12,155 INFO L225 Difference]: With dead ends: 48 [2019-10-22 09:00:12,156 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 09:00:12,157 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:12,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 09:00:12,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 09:00:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 09:00:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2019-10-22 09:00:12,189 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 10 [2019-10-22 09:00:12,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:12,189 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2019-10-22 09:00:12,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2019-10-22 09:00:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:00:12,190 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:12,190 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:12,190 INFO L410 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:12,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1981262772, now seen corresponding path program 1 times [2019-10-22 09:00:12,191 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,191 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821296814] [2019-10-22 09:00:12,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,191 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:12,356 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821296814] [2019-10-22 09:00:12,356 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:12,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:12,357 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658712193] [2019-10-22 09:00:12,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:12,358 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:12,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:12,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:12,359 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 6 states. [2019-10-22 09:00:12,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:12,516 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2019-10-22 09:00:12,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:12,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 09:00:12,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:12,518 INFO L225 Difference]: With dead ends: 49 [2019-10-22 09:00:12,518 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 09:00:12,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 09:00:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2019-10-22 09:00:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 09:00:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2019-10-22 09:00:12,527 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 10 [2019-10-22 09:00:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:12,528 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2019-10-22 09:00:12,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2019-10-22 09:00:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 09:00:12,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:12,529 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:12,529 INFO L410 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,529 INFO L82 PathProgramCache]: Analyzing trace with hash -104999665, now seen corresponding path program 1 times [2019-10-22 09:00:12,529 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870440249] [2019-10-22 09:00:12,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:12,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870440249] [2019-10-22 09:00:12,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620351397] [2019-10-22 09:00:12,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/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 [2019-10-22 09:00:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:00:12,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:12,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:00:12,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-10-22 09:00:12,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390006139] [2019-10-22 09:00:12,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:12,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:12,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:12,816 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 5 states. [2019-10-22 09:00:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:12,847 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2019-10-22 09:00:12,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:12,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-10-22 09:00:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:12,851 INFO L225 Difference]: With dead ends: 57 [2019-10-22 09:00:12,851 INFO L226 Difference]: Without dead ends: 57 [2019-10-22 09:00:12,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:12,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-22 09:00:12,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2019-10-22 09:00:12,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 09:00:12,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-10-22 09:00:12,862 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 14 [2019-10-22 09:00:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:12,862 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-10-22 09:00:12,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-10-22 09:00:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 09:00:12,863 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:12,863 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:13,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:13,069 INFO L410 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:13,069 INFO L82 PathProgramCache]: Analyzing trace with hash -914346291, now seen corresponding path program 1 times [2019-10-22 09:00:13,069 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:13,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869972255] [2019-10-22 09:00:13,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:13,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869972255] [2019-10-22 09:00:13,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715210135] [2019-10-22 09:00:13,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/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 [2019-10-22 09:00:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 09:00:13,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:13,323 INFO L375 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 8 treesize of output 7 [2019-10-22 09:00:13,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:13,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:13,336 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:00:13,337 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-10-22 09:00:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:13,376 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:13,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2019-10-22 09:00:13,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618967807] [2019-10-22 09:00:13,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:13,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:13,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:13,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:13,378 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 8 states. [2019-10-22 09:00:13,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:13,576 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2019-10-22 09:00:13,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:13,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-10-22 09:00:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:13,577 INFO L225 Difference]: With dead ends: 54 [2019-10-22 09:00:13,578 INFO L226 Difference]: Without dead ends: 54 [2019-10-22 09:00:13,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-22 09:00:13,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2019-10-22 09:00:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 09:00:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2019-10-22 09:00:13,588 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 14 [2019-10-22 09:00:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:13,588 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2019-10-22 09:00:13,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2019-10-22 09:00:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:13,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:13,589 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:13,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:13,790 INFO L410 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:13,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:13,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1910320159, now seen corresponding path program 1 times [2019-10-22 09:00:13,790 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:13,790 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042758258] [2019-10-22 09:00:13,790 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,790 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:13,840 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042758258] [2019-10-22 09:00:13,840 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:13,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:13,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480028913] [2019-10-22 09:00:13,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:13,841 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:13,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:13,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:13,841 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2019-10-22 09:00:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:13,951 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2019-10-22 09:00:13,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:13,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-10-22 09:00:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:13,953 INFO L225 Difference]: With dead ends: 45 [2019-10-22 09:00:13,953 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 09:00:13,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 09:00:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 09:00:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 09:00:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2019-10-22 09:00:13,957 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 18 [2019-10-22 09:00:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:13,958 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2019-10-22 09:00:13,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2019-10-22 09:00:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:13,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:13,959 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:13,959 INFO L410 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:13,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1910320158, now seen corresponding path program 1 times [2019-10-22 09:00:13,959 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:13,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400629228] [2019-10-22 09:00:13,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:00:14,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400629228] [2019-10-22 09:00:14,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:00:14,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253803767] [2019-10-22 09:00:14,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:00:14,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:14,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:14,023 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 7 states. [2019-10-22 09:00:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,227 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-10-22 09:00:14,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:14,228 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-10-22 09:00:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:14,229 INFO L225 Difference]: With dead ends: 58 [2019-10-22 09:00:14,230 INFO L226 Difference]: Without dead ends: 58 [2019-10-22 09:00:14,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:14,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-10-22 09:00:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2019-10-22 09:00:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 09:00:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2019-10-22 09:00:14,235 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 18 [2019-10-22 09:00:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:14,235 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2019-10-22 09:00:14,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:00:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2019-10-22 09:00:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:14,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,236 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,236 INFO L410 AbstractCegarLoop]: === Iteration 7 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:14,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1652154720, now seen corresponding path program 1 times [2019-10-22 09:00:14,237 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,237 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321253149] [2019-10-22 09:00:14,237 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,238 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:00:14,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321253149] [2019-10-22 09:00:14,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,371 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:00:14,371 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789104828] [2019-10-22 09:00:14,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:14,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:14,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:14,372 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 8 states. [2019-10-22 09:00:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,568 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2019-10-22 09:00:14,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:14,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-10-22 09:00:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:14,569 INFO L225 Difference]: With dead ends: 73 [2019-10-22 09:00:14,570 INFO L226 Difference]: Without dead ends: 73 [2019-10-22 09:00:14,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:14,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-10-22 09:00:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2019-10-22 09:00:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 09:00:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2019-10-22 09:00:14,575 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 18 [2019-10-22 09:00:14,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:14,575 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2019-10-22 09:00:14,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2019-10-22 09:00:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:14,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,576 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,576 INFO L410 AbstractCegarLoop]: === Iteration 8 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:14,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,577 INFO L82 PathProgramCache]: Analyzing trace with hash 322811233, now seen corresponding path program 1 times [2019-10-22 09:00:14,577 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70154380] [2019-10-22 09:00:14,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:00:14,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70154380] [2019-10-22 09:00:14,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:00:14,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485503091] [2019-10-22 09:00:14,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:14,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:14,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:14,697 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 8 states. [2019-10-22 09:00:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,864 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2019-10-22 09:00:14,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:14,865 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-10-22 09:00:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:14,865 INFO L225 Difference]: With dead ends: 55 [2019-10-22 09:00:14,866 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:00:14,866 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:00:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2019-10-22 09:00:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 09:00:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2019-10-22 09:00:14,872 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 19 [2019-10-22 09:00:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:14,872 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2019-10-22 09:00:14,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2019-10-22 09:00:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 09:00:14,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,873 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,873 INFO L410 AbstractCegarLoop]: === Iteration 9 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:14,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1867404156, now seen corresponding path program 1 times [2019-10-22 09:00:14,873 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,874 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552884225] [2019-10-22 09:00:14,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,874 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:00:14,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552884225] [2019-10-22 09:00:14,952 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:14,952 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:00:14,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85410137] [2019-10-22 09:00:14,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:00:14,952 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:00:14,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:14,953 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 7 states. [2019-10-22 09:00:15,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,148 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2019-10-22 09:00:15,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:15,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-10-22 09:00:15,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,150 INFO L225 Difference]: With dead ends: 100 [2019-10-22 09:00:15,150 INFO L226 Difference]: Without dead ends: 96 [2019-10-22 09:00:15,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:00:15,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-22 09:00:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 51. [2019-10-22 09:00:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 09:00:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2019-10-22 09:00:15,155 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 20 [2019-10-22 09:00:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,165 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2019-10-22 09:00:15,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:00:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2019-10-22 09:00:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:00:15,166 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,166 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,167 INFO L410 AbstractCegarLoop]: === Iteration 10 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:15,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1343035254, now seen corresponding path program 1 times [2019-10-22 09:00:15,167 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372798757] [2019-10-22 09:00:15,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:00:15,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372798757] [2019-10-22 09:00:15,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:15,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989555806] [2019-10-22 09:00:15,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:15,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:15,248 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 6 states. [2019-10-22 09:00:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,358 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2019-10-22 09:00:15,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:15,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-10-22 09:00:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,359 INFO L225 Difference]: With dead ends: 67 [2019-10-22 09:00:15,359 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 09:00:15,359 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:15,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 09:00:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 31. [2019-10-22 09:00:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-22 09:00:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2019-10-22 09:00:15,362 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 23 [2019-10-22 09:00:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,362 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-10-22 09:00:15,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-10-22 09:00:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:00:15,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:15,363 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:15,363 INFO L410 AbstractCegarLoop]: === Iteration 11 === [bubbleSortErr6REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:15,364 INFO L82 PathProgramCache]: Analyzing trace with hash 683439812, now seen corresponding path program 1 times [2019-10-22 09:00:15,364 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:15,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140223324] [2019-10-22 09:00:15,364 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,364 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:15,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:00:15,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140223324] [2019-10-22 09:00:15,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:15,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:15,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479026484] [2019-10-22 09:00:15,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:15,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:15,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:15,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:15,433 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2019-10-22 09:00:15,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:15,555 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2019-10-22 09:00:15,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:00:15,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-10-22 09:00:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:15,556 INFO L225 Difference]: With dead ends: 41 [2019-10-22 09:00:15,556 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:15,556 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:00:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:15,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 09:00:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:15,557 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:15,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:15,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:15,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:15 BoogieIcfgContainer [2019-10-22 09:00:15,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:15,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:15,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:15,562 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:15,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:11" (3/4) ... [2019-10-22 09:00:15,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:15,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bubbleSort [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-10-22 09:00:15,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 09:00:15,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-10-22 09:00:15,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-10-22 09:00:15,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 09:00:15,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:15,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfa130ea-72bc-4fcf-ae2a-81d71b7fecdc/bin/uautomizer/witness.graphml [2019-10-22 09:00:15,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:15,625 INFO L168 Benchmark]: Toolchain (without parser) took 5130.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 946.1 MB in the beginning and 989.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 163.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,626 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:15,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,627 INFO L168 Benchmark]: Boogie Preprocessor took 72.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,627 INFO L168 Benchmark]: RCFGBuilder took 644.79 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,627 INFO L168 Benchmark]: TraceAbstraction took 3859.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 59.7 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,628 INFO L168 Benchmark]: Witness Printer took 62.78 ms. Allocated memory is still 1.2 GB. Free memory was 999.9 MB in the beginning and 989.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:15,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 486.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 644.79 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: 48.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3859.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 59.7 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. * Witness Printer took 62.78 ms. Allocated memory is still 1.2 GB. Free memory was 999.9 MB in the beginning and 989.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 525]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 64 locations, 15 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 751 SDslu, 342 SDs, 0 SdLazy, 1080 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 95 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 17231 SizeOfPredicates, 5 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 15/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...