./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_50 term size 55 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:28:19,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:28:19,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:28:19,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:28:19,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:28:19,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:28:19,735 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:28:19,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:28:19,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:28:19,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:28:19,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:28:19,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:28:19,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:28:19,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:28:19,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:28:19,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:28:19,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:28:19,743 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:28:19,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:28:19,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:28:19,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:28:19,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:28:19,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:28:19,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:28:19,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:28:19,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:28:19,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:28:19,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:28:19,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:28:19,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:28:19,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:28:19,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:28:19,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:28:19,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:28:19,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:28:19,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:28:19,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-18 09:28:19,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:28:19,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:28:19,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:28:19,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:28:19,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:28:19,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:28:19,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:28:19,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:28:19,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-11-18 09:28:19,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:28:19,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:28:19,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:28:19,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:28:19,799 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:28:19,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-18 09:28:19,834 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/99af6ed0a/cca2eee243274d84836f09a1895f1fa0/FLAGbb7665048 [2018-11-18 09:28:20,165 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:28:20,165 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-18 09:28:20,172 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/99af6ed0a/cca2eee243274d84836f09a1895f1fa0/FLAGbb7665048 [2018-11-18 09:28:20,180 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/99af6ed0a/cca2eee243274d84836f09a1895f1fa0 [2018-11-18 09:28:20,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:28:20,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:28:20,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:20,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:28:20,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:28:20,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183f3823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20, skipping insertion in model container [2018-11-18 09:28:20,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:28:20,224 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:28:20,428 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:20,436 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:28:20,524 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:28:20,558 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:28:20,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20 WrapperNode [2018-11-18 09:28:20,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:28:20,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:28:20,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:28:20,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:28:20,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... [2018-11-18 09:28:20,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:28:20,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:28:20,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:28:20,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:28:20,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 [2018-11-18 09:28:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:28:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:28:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-18 09:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-18 09:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-18 09:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-18 09:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-18 09:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 09:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 09:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 09:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 09:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 09:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 09:28:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 09:28:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 09:28:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 09:28:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 09:28:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 09:28:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 09:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 09:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:28:21,399 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:28:21,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:21 BoogieIcfgContainer [2018-11-18 09:28:21,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:28:21,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:28:21,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:28:21,403 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:28:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:28:20" (1/3) ... [2018-11-18 09:28:21,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0fa61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:21, skipping insertion in model container [2018-11-18 09:28:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:28:20" (2/3) ... [2018-11-18 09:28:21,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0fa61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:28:21, skipping insertion in model container [2018-11-18 09:28:21,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:21" (3/3) ... [2018-11-18 09:28:21,406 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-11-18 09:28:21,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:28:21,420 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-18 09:28:21,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-18 09:28:21,447 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:28:21,448 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:28:21,448 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 09:28:21,448 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:28:21,448 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:28:21,448 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:28:21,448 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:28:21,448 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:28:21,449 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:28:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states. [2018-11-18 09:28:21,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:28:21,475 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,476 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,478 INFO L423 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:21,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,482 INFO L82 PathProgramCache]: Analyzing trace with hash -2014787394, now seen corresponding path program 1 times [2018-11-18 09:28:21,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:21,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:21,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:21,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:21,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:21,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:21,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:21,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:21,601 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 3 states. [2018-11-18 09:28:21,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:21,861 INFO L93 Difference]: Finished difference Result 391 states and 436 transitions. [2018-11-18 09:28:21,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:21,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 09:28:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:21,873 INFO L225 Difference]: With dead ends: 391 [2018-11-18 09:28:21,873 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 09:28:21,875 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 09:28:21,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 343. [2018-11-18 09:28:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-11-18 09:28:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 387 transitions. [2018-11-18 09:28:21,922 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 387 transitions. Word has length 7 [2018-11-18 09:28:21,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:21,922 INFO L480 AbstractCegarLoop]: Abstraction has 343 states and 387 transitions. [2018-11-18 09:28:21,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 387 transitions. [2018-11-18 09:28:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:28:21,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:21,923 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:21,923 INFO L423 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:21,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:21,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2014787393, now seen corresponding path program 1 times [2018-11-18 09:28:21,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:21,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:21,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:21,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:21,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:21,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:21,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:21,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:21,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:21,963 INFO L87 Difference]: Start difference. First operand 343 states and 387 transitions. Second operand 3 states. [2018-11-18 09:28:22,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,106 INFO L93 Difference]: Finished difference Result 345 states and 391 transitions. [2018-11-18 09:28:22,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:22,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 09:28:22,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,108 INFO L225 Difference]: With dead ends: 345 [2018-11-18 09:28:22,108 INFO L226 Difference]: Without dead ends: 345 [2018-11-18 09:28:22,109 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:22,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-11-18 09:28:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2018-11-18 09:28:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-11-18 09:28:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 385 transitions. [2018-11-18 09:28:22,126 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 385 transitions. Word has length 7 [2018-11-18 09:28:22,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,126 INFO L480 AbstractCegarLoop]: Abstraction has 341 states and 385 transitions. [2018-11-18 09:28:22,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 385 transitions. [2018-11-18 09:28:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:28:22,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:22,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:22,128 INFO L423 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:22,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:22,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1380183230, now seen corresponding path program 1 times [2018-11-18 09:28:22,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:22,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:22,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:22,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:22,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:22,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:22,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:22,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:22,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:22,159 INFO L87 Difference]: Start difference. First operand 341 states and 385 transitions. Second operand 3 states. [2018-11-18 09:28:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,338 INFO L93 Difference]: Finished difference Result 336 states and 380 transitions. [2018-11-18 09:28:22,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:22,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:28:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,340 INFO L225 Difference]: With dead ends: 336 [2018-11-18 09:28:22,340 INFO L226 Difference]: Without dead ends: 336 [2018-11-18 09:28:22,341 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-18 09:28:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2018-11-18 09:28:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 09:28:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 380 transitions. [2018-11-18 09:28:22,352 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 380 transitions. Word has length 15 [2018-11-18 09:28:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,352 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 380 transitions. [2018-11-18 09:28:22,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 380 transitions. [2018-11-18 09:28:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:28:22,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:22,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:22,354 INFO L423 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:22,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1380183231, now seen corresponding path program 1 times [2018-11-18 09:28:22,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:22,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:22,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:22,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:22,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:22,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:28:22,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:22,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:22,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:22,403 INFO L87 Difference]: Start difference. First operand 336 states and 380 transitions. Second operand 3 states. [2018-11-18 09:28:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,541 INFO L93 Difference]: Finished difference Result 331 states and 375 transitions. [2018-11-18 09:28:22,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:22,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:28:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,543 INFO L225 Difference]: With dead ends: 331 [2018-11-18 09:28:22,543 INFO L226 Difference]: Without dead ends: 331 [2018-11-18 09:28:22,543 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:22,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-18 09:28:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-11-18 09:28:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-11-18 09:28:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 375 transitions. [2018-11-18 09:28:22,553 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 375 transitions. Word has length 15 [2018-11-18 09:28:22,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,553 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 375 transitions. [2018-11-18 09:28:22,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 375 transitions. [2018-11-18 09:28:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:22,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:22,554 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:22,554 INFO L423 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:22,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:22,555 INFO L82 PathProgramCache]: Analyzing trace with hash -163992406, now seen corresponding path program 1 times [2018-11-18 09:28:22,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:22,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:22,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:22,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:22,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:22,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:28:22,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:28:22,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:28:22,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:28:22,610 INFO L87 Difference]: Start difference. First operand 331 states and 375 transitions. Second operand 6 states. [2018-11-18 09:28:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:22,968 INFO L93 Difference]: Finished difference Result 364 states and 407 transitions. [2018-11-18 09:28:22,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:28:22,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-18 09:28:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:22,970 INFO L225 Difference]: With dead ends: 364 [2018-11-18 09:28:22,970 INFO L226 Difference]: Without dead ends: 364 [2018-11-18 09:28:22,970 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:28:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-18 09:28:22,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 323. [2018-11-18 09:28:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-18 09:28:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 367 transitions. [2018-11-18 09:28:22,978 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 367 transitions. Word has length 16 [2018-11-18 09:28:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:22,978 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 367 transitions. [2018-11-18 09:28:22,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:28:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 367 transitions. [2018-11-18 09:28:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:22,978 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:22,978 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:22,979 INFO L423 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:22,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:22,979 INFO L82 PathProgramCache]: Analyzing trace with hash -163992405, now seen corresponding path program 1 times [2018-11-18 09:28:22,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:22,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:22,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:22,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:23,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:23,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:28:23,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:28:23,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:28:23,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:28:23,031 INFO L87 Difference]: Start difference. First operand 323 states and 367 transitions. Second operand 6 states. [2018-11-18 09:28:23,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:23,489 INFO L93 Difference]: Finished difference Result 354 states and 397 transitions. [2018-11-18 09:28:23,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:28:23,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-18 09:28:23,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:23,491 INFO L225 Difference]: With dead ends: 354 [2018-11-18 09:28:23,491 INFO L226 Difference]: Without dead ends: 354 [2018-11-18 09:28:23,491 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:28:23,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-18 09:28:23,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 314. [2018-11-18 09:28:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-11-18 09:28:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 357 transitions. [2018-11-18 09:28:23,499 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 357 transitions. Word has length 16 [2018-11-18 09:28:23,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:23,499 INFO L480 AbstractCegarLoop]: Abstraction has 314 states and 357 transitions. [2018-11-18 09:28:23,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:28:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 357 transitions. [2018-11-18 09:28:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 09:28:23,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:23,500 INFO L375 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, 1, 1] [2018-11-18 09:28:23,500 INFO L423 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:23,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:23,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2140039783, now seen corresponding path program 1 times [2018-11-18 09:28:23,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:23,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:23,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:23,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:23,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:23,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:23,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:23,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:28:23,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:28:23,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:28:23,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:28:23,613 INFO L87 Difference]: Start difference. First operand 314 states and 357 transitions. Second operand 7 states. [2018-11-18 09:28:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:23,814 INFO L93 Difference]: Finished difference Result 329 states and 375 transitions. [2018-11-18 09:28:23,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:23,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-18 09:28:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:23,816 INFO L225 Difference]: With dead ends: 329 [2018-11-18 09:28:23,816 INFO L226 Difference]: Without dead ends: 329 [2018-11-18 09:28:23,816 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:28:23,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-18 09:28:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-11-18 09:28:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-18 09:28:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 368 transitions. [2018-11-18 09:28:23,823 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 368 transitions. Word has length 25 [2018-11-18 09:28:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:23,824 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 368 transitions. [2018-11-18 09:28:23,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:28:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 368 transitions. [2018-11-18 09:28:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:28:23,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:23,824 INFO L375 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, 1, 1, 1, 1] [2018-11-18 09:28:23,825 INFO L423 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:23,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:23,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1222585252, now seen corresponding path program 1 times [2018-11-18 09:28:23,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:23,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:23,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:23,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:23,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:23,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:28:23,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:28:23,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:28:23,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:28:23,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:28:23,960 INFO L87 Difference]: Start difference. First operand 323 states and 368 transitions. Second operand 8 states. [2018-11-18 09:28:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:24,142 INFO L93 Difference]: Finished difference Result 328 states and 373 transitions. [2018-11-18 09:28:24,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:28:24,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-18 09:28:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:24,143 INFO L225 Difference]: With dead ends: 328 [2018-11-18 09:28:24,143 INFO L226 Difference]: Without dead ends: 328 [2018-11-18 09:28:24,144 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:28:24,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-11-18 09:28:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2018-11-18 09:28:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-11-18 09:28:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 371 transitions. [2018-11-18 09:28:24,152 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 371 transitions. Word has length 27 [2018-11-18 09:28:24,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:24,152 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 371 transitions. [2018-11-18 09:28:24,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:28:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 371 transitions. [2018-11-18 09:28:24,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 09:28:24,155 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:24,155 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:24,155 INFO L423 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:24,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:24,156 INFO L82 PathProgramCache]: Analyzing trace with hash 120835558, now seen corresponding path program 1 times [2018-11-18 09:28:24,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:24,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:24,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:24,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:24,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:24,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:28:24,530 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:28:24,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:24,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:28:24,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:28:24,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,615 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 09:28:24,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:28:24,728 INFO L477 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 10 treesize of output 9 [2018-11-18 09:28:24,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,730 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,735 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-11-18 09:28:24,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 09:28:24,770 INFO L477 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 24 treesize of output 23 [2018-11-18 09:28:24,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 09:28:24,792 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:24,803 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:24,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:24,815 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-11-18 09:28:24,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-11-18 09:28:24,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:24,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:28:24,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-11-18 09:28:24,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:24,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 54 [2018-11-18 09:28:24,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:24,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:24,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2018-11-18 09:28:24,951 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:24,970 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:24,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 09:28:24,991 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-11-18 09:28:25,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 09:28:25,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:25,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:139, output treesize:60 [2018-11-18 09:28:25,182 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-11-18 09:28:25,186 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:25,205 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:74, output treesize:82 [2018-11-18 09:28:25,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:28:25,313 INFO L477 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 10 treesize of output 9 [2018-11-18 09:28:25,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,324 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:25,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-11-18 09:28:25,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:28:25,379 INFO L477 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 10 treesize of output 9 [2018-11-18 09:28:25,379 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:25,404 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-11-18 09:28:25,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-11-18 09:28:25,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:25,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-11-18 09:28:25,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:25,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 09:28:25,463 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-18 09:28:25,474 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:25,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:25,485 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-11-18 09:28:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:25,546 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:28:25,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2018-11-18 09:28:25,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-18 09:28:25,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-18 09:28:25,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2018-11-18 09:28:25,547 INFO L87 Difference]: Start difference. First operand 326 states and 371 transitions. Second operand 30 states. [2018-11-18 09:28:26,943 WARN L180 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 61 [2018-11-18 09:28:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:29,489 INFO L93 Difference]: Finished difference Result 485 states and 588 transitions. [2018-11-18 09:28:29,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 09:28:29,489 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 42 [2018-11-18 09:28:29,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:29,493 INFO L225 Difference]: With dead ends: 485 [2018-11-18 09:28:29,494 INFO L226 Difference]: Without dead ends: 485 [2018-11-18 09:28:29,494 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=324, Invalid=1656, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 09:28:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-18 09:28:29,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 331. [2018-11-18 09:28:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-11-18 09:28:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 375 transitions. [2018-11-18 09:28:29,507 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 375 transitions. Word has length 42 [2018-11-18 09:28:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:29,508 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 375 transitions. [2018-11-18 09:28:29,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-18 09:28:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 375 transitions. [2018-11-18 09:28:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 09:28:29,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:29,509 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:29,509 INFO L423 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:29,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:29,509 INFO L82 PathProgramCache]: Analyzing trace with hash 120835559, now seen corresponding path program 1 times [2018-11-18 09:28:29,509 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:29,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:29,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:29,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:29,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:29,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:28:29,877 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:28:29,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:29,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:28:29,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:28:29,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:29,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:28:29,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:29,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:29,929 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:11 [2018-11-18 09:28:30,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:28:30,048 INFO L477 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 10 treesize of output 9 [2018-11-18 09:28:30,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:28:30,068 INFO L477 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 10 treesize of output 9 [2018-11-18 09:28:30,068 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,070 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:30,078 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:53, output treesize:45 [2018-11-18 09:28:30,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 09:28:30,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 09:28:30,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,144 INFO L477 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 20 treesize of output 19 [2018-11-18 09:28:30,144 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 09:28:30,210 INFO L477 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 24 treesize of output 23 [2018-11-18 09:28:30,210 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 09:28:30,236 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,248 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 09:28:30,274 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:71, output treesize:232 [2018-11-18 09:28:30,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 80 [2018-11-18 09:28:30,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:28:30,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2018-11-18 09:28:30,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:28:30,426 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,439 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 162 [2018-11-18 09:28:30,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 193 [2018-11-18 09:28:30,499 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 157 [2018-11-18 09:28:30,573 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,627 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 102 [2018-11-18 09:28:30,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,696 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:30,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2018-11-18 09:28:30,699 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,716 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 163 treesize of output 163 [2018-11-18 09:28:30,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 183 [2018-11-18 09:28:30,738 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:30,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:30,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 161 [2018-11-18 09:28:30,799 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,862 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:30,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-11-18 09:28:30,922 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:259, output treesize:288 [2018-11-18 09:28:31,031 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 09:28:31,032 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 33 [2018-11-18 09:28:31,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,133 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-11-18 09:28:31,135 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:31,165 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:244, output treesize:149 [2018-11-18 09:28:31,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 09:28:31,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 58 [2018-11-18 09:28:31,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:31,308 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:160, output treesize:139 [2018-11-18 09:28:31,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 130 [2018-11-18 09:28:31,377 INFO L477 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 130 treesize of output 129 [2018-11-18 09:28:31,378 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 88 treesize of output 139 [2018-11-18 09:28:31,423 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-18 09:28:31,461 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:28:31,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 168 [2018-11-18 09:28:31,523 INFO L477 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 159 treesize of output 158 [2018-11-18 09:28:31,523 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 168 [2018-11-18 09:28:31,581 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-11-18 09:28:31,651 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:28:31,653 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 123 [2018-11-18 09:28:31,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,665 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:31,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 90 [2018-11-18 09:28:31,667 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,682 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 123 [2018-11-18 09:28:31,692 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,692 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:31,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 90 [2018-11-18 09:28:31,695 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,707 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-11-18 09:28:31,764 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:165, output treesize:344 [2018-11-18 09:28:31,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:31,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 165 treesize of output 186 [2018-11-18 09:28:31,895 INFO L477 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 186 treesize of output 185 [2018-11-18 09:28:31,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:31,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 191 [2018-11-18 09:28:32,139 INFO L477 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 182 treesize of output 181 [2018-11-18 09:28:32,140 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,197 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 147 [2018-11-18 09:28:32,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 63 [2018-11-18 09:28:32,307 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,323 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 140 [2018-11-18 09:28:32,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 63 [2018-11-18 09:28:32,421 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,436 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,507 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 147 [2018-11-18 09:28:32,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-11-18 09:28:32,509 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,522 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,583 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 119 [2018-11-18 09:28:32,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2018-11-18 09:28:32,586 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,596 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-11-18 09:28:32,642 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:474, output treesize:384 [2018-11-18 09:28:32,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 143 [2018-11-18 09:28:32,751 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-11-18 09:28:32,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-18 09:28:32,775 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 73 [2018-11-18 09:28:32,817 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2018-11-18 09:28:32,817 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 09:28:32,829 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,836 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,858 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 102 [2018-11-18 09:28:32,862 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 38 [2018-11-18 09:28:32,862 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-18 09:28:32,876 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,886 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:32,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 65 [2018-11-18 09:28:32,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:28:32,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-11-18 09:28:32,909 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-18 09:28:32,923 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,939 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:32,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 09:28:32,956 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:263, output treesize:49 [2018-11-18 09:28:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:33,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:28:33,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 30 [2018-11-18 09:28:33,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-18 09:28:33,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-18 09:28:33,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2018-11-18 09:28:33,020 INFO L87 Difference]: Start difference. First operand 331 states and 375 transitions. Second operand 31 states. [2018-11-18 09:28:36,204 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2018-11-18 09:28:36,384 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2018-11-18 09:28:36,875 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 91 [2018-11-18 09:28:37,170 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2018-11-18 09:28:37,473 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 118 [2018-11-18 09:28:37,664 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 96 [2018-11-18 09:28:42,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:42,085 INFO L93 Difference]: Finished difference Result 487 states and 591 transitions. [2018-11-18 09:28:42,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 09:28:42,086 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 42 [2018-11-18 09:28:42,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:42,088 INFO L225 Difference]: With dead ends: 487 [2018-11-18 09:28:42,088 INFO L226 Difference]: Without dead ends: 487 [2018-11-18 09:28:42,088 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=391, Invalid=2261, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 09:28:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-18 09:28:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 330. [2018-11-18 09:28:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-11-18 09:28:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2018-11-18 09:28:42,102 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 42 [2018-11-18 09:28:42,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:42,102 INFO L480 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2018-11-18 09:28:42,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-18 09:28:42,102 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2018-11-18 09:28:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 09:28:42,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:42,108 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:42,109 INFO L423 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:42,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:42,109 INFO L82 PathProgramCache]: Analyzing trace with hash -2041972894, now seen corresponding path program 1 times [2018-11-18 09:28:42,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:42,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:42,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:42,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:42,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 7 proven. 91 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2018-11-18 09:28:42,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:28:42,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:28:42,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:42,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:28:42,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2018-11-18 09:28:42,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:28:42,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2018-11-18 09:28:42,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:28:42,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:28:42,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:42,388 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 3 states. [2018-11-18 09:28:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:42,403 INFO L93 Difference]: Finished difference Result 331 states and 375 transitions. [2018-11-18 09:28:42,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:28:42,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-11-18 09:28:42,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:42,404 INFO L225 Difference]: With dead ends: 331 [2018-11-18 09:28:42,405 INFO L226 Difference]: Without dead ends: 331 [2018-11-18 09:28:42,405 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:28:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-18 09:28:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-11-18 09:28:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-11-18 09:28:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 375 transitions. [2018-11-18 09:28:42,411 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 375 transitions. Word has length 224 [2018-11-18 09:28:42,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:42,411 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 375 transitions. [2018-11-18 09:28:42,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:28:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 375 transitions. [2018-11-18 09:28:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 09:28:42,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:42,414 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:42,414 INFO L423 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:42,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:42,414 INFO L82 PathProgramCache]: Analyzing trace with hash -555341220, now seen corresponding path program 1 times [2018-11-18 09:28:42,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:42,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:42,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:42,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:42,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2018-11-18 09:28:42,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:28:42,742 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:28:42,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:42,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:28:42,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 09:28:42,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-11-18 09:28:42,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-11-18 09:28:42,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 09:28:42,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:42,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 09:28:42,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:42,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-18 09:28:43,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-11-18 09:28:43,005 INFO L477 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 31 treesize of output 30 [2018-11-18 09:28:43,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,027 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,029 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 53 [2018-11-18 09:28:43,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-18 09:28:43,072 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:28:43,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:28:43,093 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:39, output treesize:108 [2018-11-18 09:28:43,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-11-18 09:28:43,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 60 [2018-11-18 09:28:43,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 66 [2018-11-18 09:28:43,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 77 [2018-11-18 09:28:43,211 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,238 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,239 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 91 [2018-11-18 09:28:43,246 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-18 09:28:43,275 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:28:43,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-18 09:28:43,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-18 09:28:43,317 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,324 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 09:28:43,354 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:154, output treesize:170 [2018-11-18 09:28:43,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,404 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:28:43,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 09:28:43,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:28:43,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:28:43,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-11-18 09:28:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 954 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-18 09:28:43,575 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:28:43,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 28 [2018-11-18 09:28:43,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 09:28:43,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 09:28:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-11-18 09:28:43,576 INFO L87 Difference]: Start difference. First operand 331 states and 375 transitions. Second operand 28 states. [2018-11-18 09:28:45,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:28:45,898 INFO L93 Difference]: Finished difference Result 371 states and 417 transitions. [2018-11-18 09:28:45,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 09:28:45,898 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 252 [2018-11-18 09:28:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:28:45,899 INFO L225 Difference]: With dead ends: 371 [2018-11-18 09:28:45,899 INFO L226 Difference]: Without dead ends: 371 [2018-11-18 09:28:45,900 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 247 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=1837, Unknown=0, NotChecked=0, Total=2162 [2018-11-18 09:28:45,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-18 09:28:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 324. [2018-11-18 09:28:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-18 09:28:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2018-11-18 09:28:45,905 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 252 [2018-11-18 09:28:45,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:28:45,905 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2018-11-18 09:28:45,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 09:28:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2018-11-18 09:28:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 09:28:45,908 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:28:45,908 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:28:45,908 INFO L423 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, appendErr16REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION]=== [2018-11-18 09:28:45,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:45,908 INFO L82 PathProgramCache]: Analyzing trace with hash 188993988, now seen corresponding path program 1 times [2018-11-18 09:28:45,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:28:45,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:28:45,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:45,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:28:45,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:28:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:49,523 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 47 [2018-11-18 09:28:49,672 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-11-18 09:28:50,191 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2018-11-18 09:28:50,443 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2018-11-18 09:28:50,622 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2018-11-18 09:28:51,288 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 50 [2018-11-18 09:28:51,454 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2018-11-18 09:28:52,203 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2018-11-18 09:28:52,372 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 48 [2018-11-18 09:28:52,533 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2018-11-18 09:28:53,202 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-11-18 09:28:53,470 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-11-18 09:28:54,458 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 71 [2018-11-18 09:28:54,901 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 58 [2018-11-18 09:28:55,369 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 50 [2018-11-18 09:28:55,875 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2018-11-18 09:28:56,389 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 51 [2018-11-18 09:28:56,787 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 64 [2018-11-18 09:28:57,030 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-18 09:28:57,640 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-11-18 09:28:58,359 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2018-11-18 09:28:58,922 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2018-11-18 09:28:59,282 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2018-11-18 09:28:59,529 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2018-11-18 09:29:00,423 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 50 [2018-11-18 09:29:00,789 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2018-11-18 09:29:01,039 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-11-18 09:29:01,901 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2018-11-18 09:29:02,280 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-18 09:29:02,723 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2018-11-18 09:29:04,207 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2018-11-18 09:29:05,053 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2018-11-18 09:29:06,353 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2018-11-18 09:29:06,627 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-11-18 09:29:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 389 proven. 1037 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-18 09:29:07,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:29:07,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:29:07,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:29:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:29:07,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:29:07,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:07,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-11-18 09:29:07,843 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:07,846 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:07,846 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-11-18 09:29:08,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 09:29:08,021 INFO L477 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 [2018-11-18 09:29:08,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,029 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-18 09:29:08,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 09:29:08,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 09:29:08,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-18 09:29:08,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-11-18 09:29:08,185 INFO L477 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 31 treesize of output 30 [2018-11-18 09:29:08,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 49 [2018-11-18 09:29:08,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-11-18 09:29:08,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:08,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:08,259 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:40, output treesize:111 [2018-11-18 09:29:08,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 63 [2018-11-18 09:29:08,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 76 [2018-11-18 09:29:08,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 62 [2018-11-18 09:29:08,434 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 09:29:08,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:29:08,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-11-18 09:29:08,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-18 09:29:08,503 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,510 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-11-18 09:29:08,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-11-18 09:29:08,545 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,550 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-11-18 09:29:08,573 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:143, output treesize:158 [2018-11-18 09:29:08,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:08,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 09:29:08,669 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:08,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:29:08,700 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-11-18 09:29:09,718 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-18 09:29:12,177 WARN L180 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 09:29:13,255 WARN L180 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-18 09:29:20,309 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2018-11-18 09:29:20,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 09:29:20,316 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 146 [2018-11-18 09:29:20,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 88 [2018-11-18 09:29:20,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,475 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 86 [2018-11-18 09:29:20,478 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,560 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 82 [2018-11-18 09:29:20,568 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,668 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 88 [2018-11-18 09:29:20,672 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,709 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:20,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 95 [2018-11-18 09:29:20,758 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 85 [2018-11-18 09:29:20,780 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-11-18 09:29:20,838 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-11-18 09:29:20,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:20,843 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,854 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,856 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-11-18 09:29:20,861 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:20,862 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,874 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,876 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-11-18 09:29:20,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:20,881 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,890 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:20,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 76 [2018-11-18 09:29:20,897 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:20,897 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,906 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:20,945 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 09:29:20,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 95 [2018-11-18 09:29:20,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:20,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 118 [2018-11-18 09:29:20,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 09:29:20,996 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 32 xjuncts. [2018-11-18 09:29:21,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2018-11-18 09:29:21,175 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,175 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,189 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 99 [2018-11-18 09:29:21,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,198 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,217 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,220 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2018-11-18 09:29:21,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,225 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,237 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,240 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 84 [2018-11-18 09:29:21,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,244 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,256 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,260 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 91 [2018-11-18 09:29:21,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,265 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,278 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2018-11-18 09:29:21,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,285 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,295 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,299 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 81 [2018-11-18 09:29:21,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,304 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,320 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,323 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 85 [2018-11-18 09:29:21,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,329 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,341 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 91 [2018-11-18 09:29:21,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,349 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,361 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,364 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 83 [2018-11-18 09:29:21,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,368 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,379 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,481 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-18 09:29:21,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 88 [2018-11-18 09:29:21,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 25 treesize of output 52 [2018-11-18 09:29:21,502 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2018-11-18 09:29:21,534 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-11-18 09:29:21,538 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,538 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,547 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,550 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2018-11-18 09:29:21,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,554 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,563 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,565 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-11-18 09:29:21,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-18 09:29:21,570 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,579 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,606 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:21,748 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 13 xjuncts. [2018-11-18 09:29:21,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,753 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:29:21,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 142 [2018-11-18 09:29:21,814 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-11-18 09:29:21,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:29:21,818 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,824 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 119 [2018-11-18 09:29:21,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 70 [2018-11-18 09:29:21,863 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 4 xjuncts. [2018-11-18 09:29:21,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,907 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 105 [2018-11-18 09:29:21,911 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2018-11-18 09:29:21,912 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,929 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,937 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 103 [2018-11-18 09:29:21,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 70 [2018-11-18 09:29:21,943 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,958 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 103 [2018-11-18 09:29:21,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:29:21,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 70 [2018-11-18 09:29:21,971 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-18 09:29:21,987 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:29:22,033 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:22,079 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:29:22,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 20 dim-0 vars, and 12 xjuncts. [2018-11-18 09:29:22,284 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 7 variables, input treesize:276, output treesize:996 [2018-11-18 09:30:36,809 WARN L180 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 190 DAG size of output: 107 [2018-11-18 09:30:40,933 WARN L180 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 09:30:48,101 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-18 09:30:49,927 WARN L180 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-18 09:31:01,887 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 09:39:26,374 WARN L180 SmtUtils]: Spent 8.17 m on a formula simplification. DAG size of input: 508 DAG size of output: 359 [2018-11-18 09:39:26,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:26,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:26,385 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:39:26,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:26,389 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:26,389 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:39:26,591 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:39:26,591 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_68 term size 83 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 09:39:26,594 INFO L168 Benchmark]: Toolchain (without parser) took 666411.82 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 881.3 MB). Free memory was 957.5 MB in the beginning and 1.8 GB in the end (delta: -818.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 09:39:26,595 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:39:26,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:26,595 INFO L168 Benchmark]: Boogie Preprocessor took 51.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:26,595 INFO L168 Benchmark]: RCFGBuilder took 788.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:26,595 INFO L168 Benchmark]: TraceAbstraction took 665193.67 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 719.8 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -746.9 MB). Peak memory consumption was 981.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:26,596 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 788.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 665193.67 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 719.8 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -746.9 MB). Peak memory consumption was 981.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_68 term size 83 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_68 term size 83: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 09:39:28,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:39:28,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:39:28,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:39:28,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:39:28,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:39:28,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:39:28,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:39:28,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:39:28,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:39:28,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:39:28,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:39:28,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:39:28,208 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:39:28,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:39:28,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:39:28,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:39:28,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:39:28,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:39:28,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:39:28,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:39:28,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:39:28,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:39:28,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:39:28,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:39:28,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:39:28,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:39:28,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:39:28,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:39:28,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:39:28,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:39:28,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:39:28,226 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:39:28,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:39:28,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:39:28,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:39:28,228 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-18 09:39:28,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:39:28,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:39:28,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:39:28,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:39:28,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:39:28,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:39:28,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:39:28,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:39:28,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:39:28,244 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 09:39:28,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:39:28,244 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:39:28,244 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-11-18 09:39:28,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:39:28,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:39:28,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:39:28,290 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:39:28,290 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:39:28,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-18 09:39:28,333 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/eb9ffca91/826c3528272d48209c5eca4d6932affb/FLAG4cd62824b [2018-11-18 09:39:28,739 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:39:28,739 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-18 09:39:28,750 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/eb9ffca91/826c3528272d48209c5eca4d6932affb/FLAG4cd62824b [2018-11-18 09:39:28,760 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/data/eb9ffca91/826c3528272d48209c5eca4d6932affb [2018-11-18 09:39:28,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:39:28,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:39:28,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:39:28,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:39:28,768 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:39:28,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:39:28" (1/1) ... [2018-11-18 09:39:28,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1855e78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:28, skipping insertion in model container [2018-11-18 09:39:28,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:39:28" (1/1) ... [2018-11-18 09:39:28,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:39:28,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:39:29,108 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:39:29,120 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:39:29,179 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:39:29,278 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:39:29,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29 WrapperNode [2018-11-18 09:39:29,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:39:29,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:39:29,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:39:29,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:39:29,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... [2018-11-18 09:39:29,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:39:29,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:39:29,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:39:29,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:39:29,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/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 [2018-11-18 09:39:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:39:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:39:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-18 09:39:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-18 09:39:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-18 09:39:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-18 09:39:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-18 09:39:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:39:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:39:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 09:39:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 09:39:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 09:39:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 09:39:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 09:39:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 09:39:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 09:39:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 09:39:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 09:39:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 09:39:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:39:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 09:39:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 09:39:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 09:39:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 09:39:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 09:39:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 09:39:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 09:39:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 09:39:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 09:39:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:39:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:39:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:39:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:39:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:39:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 09:39:30,563 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:39:30,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:39:30 BoogieIcfgContainer [2018-11-18 09:39:30,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:39:30,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:39:30,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:39:30,568 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:39:30,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:39:28" (1/3) ... [2018-11-18 09:39:30,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7030429d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:39:30, skipping insertion in model container [2018-11-18 09:39:30,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:39:29" (2/3) ... [2018-11-18 09:39:30,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7030429d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:39:30, skipping insertion in model container [2018-11-18 09:39:30,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:39:30" (3/3) ... [2018-11-18 09:39:30,573 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-11-18 09:39:30,583 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:39:30,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-18 09:39:30,608 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-18 09:39:30,629 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:39:30,629 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:39:30,629 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 09:39:30,630 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:39:30,630 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:39:30,630 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:39:30,630 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:39:30,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:39:30,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:39:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2018-11-18 09:39:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:39:30,662 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:30,662 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:30,666 INFO L423 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:30,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:30,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2137475033, now seen corresponding path program 1 times [2018-11-18 09:39:30,673 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:30,673 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:30,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:30,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:30,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:30,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:30,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:30,778 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 09:39:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:30,784 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:30,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:30,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:39:30,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:30,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:30,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:30,799 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2018-11-18 09:39:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:31,280 INFO L93 Difference]: Finished difference Result 384 states and 429 transitions. [2018-11-18 09:39:31,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:31,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 09:39:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:31,292 INFO L225 Difference]: With dead ends: 384 [2018-11-18 09:39:31,292 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 09:39:31,293 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 09:39:31,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 336. [2018-11-18 09:39:31,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 09:39:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 380 transitions. [2018-11-18 09:39:31,349 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 380 transitions. Word has length 7 [2018-11-18 09:39:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:31,349 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 380 transitions. [2018-11-18 09:39:31,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 380 transitions. [2018-11-18 09:39:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:39:31,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:31,350 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:31,351 INFO L423 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:31,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:31,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2137475034, now seen corresponding path program 1 times [2018-11-18 09:39:31,351 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:31,351 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:31,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:31,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:31,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:31,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:31,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:31,399 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 09:39:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:31,405 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:31,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:31,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:39:31,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:31,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:31,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:31,409 INFO L87 Difference]: Start difference. First operand 336 states and 380 transitions. Second operand 3 states. [2018-11-18 09:39:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:31,913 INFO L93 Difference]: Finished difference Result 338 states and 384 transitions. [2018-11-18 09:39:31,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:31,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 09:39:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:31,915 INFO L225 Difference]: With dead ends: 338 [2018-11-18 09:39:31,915 INFO L226 Difference]: Without dead ends: 338 [2018-11-18 09:39:31,916 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:31,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-18 09:39:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2018-11-18 09:39:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-11-18 09:39:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 378 transitions. [2018-11-18 09:39:31,934 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 378 transitions. Word has length 7 [2018-11-18 09:39:31,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:31,934 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 378 transitions. [2018-11-18 09:39:31,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 378 transitions. [2018-11-18 09:39:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:39:31,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:31,935 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:31,936 INFO L423 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:31,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:31,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2113204875, now seen corresponding path program 1 times [2018-11-18 09:39:31,937 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:31,937 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:31,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:31,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:31,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:31,995 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:32,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:32,001 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 09:39:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:32,007 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:32,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:32,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:39:32,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:32,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:32,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:32,010 INFO L87 Difference]: Start difference. First operand 334 states and 378 transitions. Second operand 3 states. [2018-11-18 09:39:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:32,525 INFO L93 Difference]: Finished difference Result 329 states and 373 transitions. [2018-11-18 09:39:32,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:32,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:39:32,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:32,528 INFO L225 Difference]: With dead ends: 329 [2018-11-18 09:39:32,528 INFO L226 Difference]: Without dead ends: 329 [2018-11-18 09:39:32,528 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:32,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-18 09:39:32,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-11-18 09:39:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-11-18 09:39:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 373 transitions. [2018-11-18 09:39:32,540 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 373 transitions. Word has length 15 [2018-11-18 09:39:32,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:32,541 INFO L480 AbstractCegarLoop]: Abstraction has 329 states and 373 transitions. [2018-11-18 09:39:32,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 373 transitions. [2018-11-18 09:39:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:39:32,542 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:32,542 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:32,543 INFO L423 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:32,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:32,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2113204876, now seen corresponding path program 1 times [2018-11-18 09:39:32,544 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:32,544 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:32,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:32,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:32,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:32,622 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:32,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:32,626 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 09:39:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:32,631 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:32,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:32,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:39:32,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:32,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:32,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:32,647 INFO L87 Difference]: Start difference. First operand 329 states and 373 transitions. Second operand 3 states. [2018-11-18 09:39:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:33,012 INFO L93 Difference]: Finished difference Result 324 states and 368 transitions. [2018-11-18 09:39:33,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:33,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:39:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:33,015 INFO L225 Difference]: With dead ends: 324 [2018-11-18 09:39:33,015 INFO L226 Difference]: Without dead ends: 324 [2018-11-18 09:39:33,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:33,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-11-18 09:39:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2018-11-18 09:39:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-18 09:39:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 368 transitions. [2018-11-18 09:39:33,025 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 368 transitions. Word has length 15 [2018-11-18 09:39:33,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:33,026 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 368 transitions. [2018-11-18 09:39:33,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 368 transitions. [2018-11-18 09:39:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:39:33,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:33,027 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:33,027 INFO L423 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:33,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1084841297, now seen corresponding path program 1 times [2018-11-18 09:39:33,028 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:33,028 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:33,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:33,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:33,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:33,102 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,104 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 09:39:33,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-18 09:39:33,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:33,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-18 09:39:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:33,156 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:33,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:33,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:39:33,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:39:33,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:39:33,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:39:33,163 INFO L87 Difference]: Start difference. First operand 324 states and 368 transitions. Second operand 5 states. [2018-11-18 09:39:33,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:33,823 INFO L93 Difference]: Finished difference Result 357 states and 400 transitions. [2018-11-18 09:39:33,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:39:33,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-18 09:39:33,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:33,824 INFO L225 Difference]: With dead ends: 357 [2018-11-18 09:39:33,824 INFO L226 Difference]: Without dead ends: 357 [2018-11-18 09:39:33,824 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:39:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-11-18 09:39:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 316. [2018-11-18 09:39:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-18 09:39:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 360 transitions. [2018-11-18 09:39:33,829 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 360 transitions. Word has length 16 [2018-11-18 09:39:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:33,829 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 360 transitions. [2018-11-18 09:39:33,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:39:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 360 transitions. [2018-11-18 09:39:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:39:33,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:33,830 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:33,830 INFO L423 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:33,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:33,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1084841296, now seen corresponding path program 1 times [2018-11-18 09:39:33,831 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:33,831 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:33,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:33,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:33,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:33,889 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:33,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-18 09:39:33,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:33,925 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:33,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-18 09:39:33,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:33,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-11-18 09:39:33,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:33,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:33,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:16 [2018-11-18 09:39:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:33,959 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:33,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:33,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:39:33,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:39:33,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:39:33,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:39:33,961 INFO L87 Difference]: Start difference. First operand 316 states and 360 transitions. Second operand 5 states. [2018-11-18 09:39:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:35,004 INFO L93 Difference]: Finished difference Result 348 states and 391 transitions. [2018-11-18 09:39:35,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:39:35,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-18 09:39:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:35,006 INFO L225 Difference]: With dead ends: 348 [2018-11-18 09:39:35,006 INFO L226 Difference]: Without dead ends: 348 [2018-11-18 09:39:35,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:39:35,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-11-18 09:39:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 308. [2018-11-18 09:39:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 09:39:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 351 transitions. [2018-11-18 09:39:35,014 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 351 transitions. Word has length 16 [2018-11-18 09:39:35,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:35,014 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 351 transitions. [2018-11-18 09:39:35,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:39:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 351 transitions. [2018-11-18 09:39:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 09:39:35,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:35,015 INFO L375 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, 1, 1] [2018-11-18 09:39:35,016 INFO L423 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:35,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1863559249, now seen corresponding path program 1 times [2018-11-18 09:39:35,016 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:35,021 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:35,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:35,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:35,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 09:39:35,141 INFO L477 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 [2018-11-18 09:39:35,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 09:39:35,159 INFO L477 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 [2018-11-18 09:39:35,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,162 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,169 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-11-18 09:39:35,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 09:39:35,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:35,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 09:39:35,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,202 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 09:39:35,229 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:35,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 09:39:35,231 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,237 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,248 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-18 09:39:35,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-18 09:39:35,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-18 09:39:35,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,319 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-18 09:39:35,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-18 09:39:35,332 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,334 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:35,338 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-11-18 09:39:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:35,360 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:35,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:35,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:39:35,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:39:35,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:39:35,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:39:35,364 INFO L87 Difference]: Start difference. First operand 308 states and 351 transitions. Second operand 9 states. [2018-11-18 09:39:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:36,022 INFO L93 Difference]: Finished difference Result 322 states and 368 transitions. [2018-11-18 09:39:36,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:39:36,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-11-18 09:39:36,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:36,024 INFO L225 Difference]: With dead ends: 322 [2018-11-18 09:39:36,024 INFO L226 Difference]: Without dead ends: 322 [2018-11-18 09:39:36,024 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:39:36,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-11-18 09:39:36,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 316. [2018-11-18 09:39:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-18 09:39:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 361 transitions. [2018-11-18 09:39:36,032 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 361 transitions. Word has length 25 [2018-11-18 09:39:36,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:36,033 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 361 transitions. [2018-11-18 09:39:36,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:39:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 361 transitions. [2018-11-18 09:39:36,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:39:36,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:36,034 INFO L375 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, 1, 1, 1, 1] [2018-11-18 09:39:36,034 INFO L423 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:36,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:36,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1812764590, now seen corresponding path program 1 times [2018-11-18 09:39:36,035 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:36,035 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:36,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:36,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:36,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:39:36,148 INFO L477 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 10 treesize of output 9 [2018-11-18 09:39:36,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:36,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:36,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:39:36,167 INFO L477 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 10 treesize of output 9 [2018-11-18 09:39:36,167 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:36,169 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:36,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:36,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-18 09:39:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:36,304 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:36,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:36,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:39:36,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:39:36,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:39:36,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:39:36,307 INFO L87 Difference]: Start difference. First operand 316 states and 361 transitions. Second operand 8 states. [2018-11-18 09:39:36,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:36,898 INFO L93 Difference]: Finished difference Result 321 states and 366 transitions. [2018-11-18 09:39:36,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:39:36,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-18 09:39:36,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:36,900 INFO L225 Difference]: With dead ends: 321 [2018-11-18 09:39:36,900 INFO L226 Difference]: Without dead ends: 321 [2018-11-18 09:39:36,901 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:39:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-18 09:39:36,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2018-11-18 09:39:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-18 09:39:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 364 transitions. [2018-11-18 09:39:36,910 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 364 transitions. Word has length 27 [2018-11-18 09:39:36,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:36,910 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 364 transitions. [2018-11-18 09:39:36,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:39:36,910 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 364 transitions. [2018-11-18 09:39:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 09:39:36,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:36,911 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:36,912 INFO L423 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, appendErr25REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION]=== [2018-11-18 09:39:36,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:36,912 INFO L82 PathProgramCache]: Analyzing trace with hash -322735763, now seen corresponding path program 1 times [2018-11-18 09:39:36,913 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:39:36,913 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:39:36,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:37,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:37,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:39:37,076 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:37,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:37,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 09:39:37,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:39:37,148 INFO L477 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 10 treesize of output 9 [2018-11-18 09:39:37,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:37,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:37,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:37,162 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-11-18 09:39:37,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 09:39:37,232 INFO L477 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 24 treesize of output 23 [2018-11-18 09:39:37,232 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:38,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 09:39:38,326 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 09:39:38,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:39:38,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:39:38,399 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:41, output treesize:76 [2018-11-18 09:39:38,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 68 [2018-11-18 09:39:38,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:38,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 79 [2018-11-18 09:39:38,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:38,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:43,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 55 [2018-11-18 09:39:43,577 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 09:39:43,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:39:43,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2018-11-18 09:39:43,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:43,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:39:43,804 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:43,824 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:43,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 09:39:43,914 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:106, output treesize:120 [2018-11-18 09:39:44,050 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 09:39:44,050 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2018-11-18 09:39:44,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:44,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:144, output treesize:60 [2018-11-18 09:39:44,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,279 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,282 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-11-18 09:39:44,283 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:44,315 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:82 [2018-11-18 09:39:44,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:39:44,470 INFO L477 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 10 treesize of output 9 [2018-11-18 09:39:44,470 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,520 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:44,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:82 [2018-11-18 09:39:44,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:39:44,696 INFO L477 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 10 treesize of output 9 [2018-11-18 09:39:44,696 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:44,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:91 [2018-11-18 09:39:44,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2018-11-18 09:39:44,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-18 09:39:44,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:39:44,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 09:39:44,958 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-11-18 09:39:44,977 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:39:44,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:39:45,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 09:39:45,018 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:31 [2018-11-18 09:39:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:45,106 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:39:56,031 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 09:40:05,348 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 09:40:05,457 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-18 09:40:05,598 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 09:40:05,709 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 09:40:05,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 74 [2018-11-18 09:40:05,988 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-11-18 09:40:06,001 INFO L477 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 11 treesize of output 10 [2018-11-18 09:40:06,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:06,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:06,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:06,085 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:06,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 79 [2018-11-18 09:40:06,225 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:07,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2018-11-18 09:40:07,210 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:07,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 39 [2018-11-18 09:40:07,211 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:07,929 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:07,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:07,949 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:07,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 45 [2018-11-18 09:40:07,950 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:08,001 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:08,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 09:40:08,117 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:08,119 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:08,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2018-11-18 09:40:08,120 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:08,134 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:08,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 09:40:08,143 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:08,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-11-18 09:40:08,144 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:08,157 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:08,188 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:08,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:08,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:08,256 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:127, output treesize:29 [2018-11-18 09:40:10,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:10,339 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5b45bd-5a6d-4102-b962-5e644084f8ba/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:40:10,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:10,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:40:10,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 09:40:10,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:10,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:10,403 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 09:40:10,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 09:40:10,753 INFO L477 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 10 treesize of output 9 [2018-11-18 09:40:10,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:10,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:10,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:10,773 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-11-18 09:40:10,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 09:40:10,935 INFO L477 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 24 treesize of output 23 [2018-11-18 09:40:10,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:12,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 09:40:12,634 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:12,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:12,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:12,745 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:50, output treesize:94 [2018-11-18 09:40:13,011 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-11-18 09:40:13,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2018-11-18 09:40:13,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:13,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 09:40:13,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:13,045 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:13,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 77 [2018-11-18 09:40:13,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:14,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 63 [2018-11-18 09:40:14,320 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:14,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:14,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 78 [2018-11-18 09:40:14,453 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:14,613 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:14,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 09:40:14,704 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:124, output treesize:147 [2018-11-18 09:40:14,955 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 09:40:14,955 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-11-18 09:40:15,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:15,052 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:171, output treesize:64 [2018-11-18 09:40:15,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 62 [2018-11-18 09:40:15,160 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:15,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:82 [2018-11-18 09:40:15,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:40:15,456 INFO L477 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 10 treesize of output 9 [2018-11-18 09:40:15,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:15,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:82 [2018-11-18 09:40:15,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 09:40:15,681 INFO L477 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 10 treesize of output 9 [2018-11-18 09:40:15,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,712 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:15,763 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:91 [2018-11-18 09:40:15,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2018-11-18 09:40:15,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 7 treesize of output 1 [2018-11-18 09:40:15,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:15,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 09:40:15,925 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-11-18 09:40:15,936 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:15,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:15,953 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:31 [2018-11-18 09:40:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:15,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:40:16,915 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 09:40:17,016 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-11-18 09:40:17,153 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-18 09:40:17,300 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 09:40:17,623 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-11-18 09:40:17,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:17,646 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:17,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:17,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 196 [2018-11-18 09:40:17,658 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:17,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 120 [2018-11-18 09:40:18,053 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-11-18 09:40:18,067 INFO L477 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 11 treesize of output 10 [2018-11-18 09:40:18,067 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:18,131 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:18,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 93 [2018-11-18 09:40:18,258 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:18,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2018-11-18 09:40:18,736 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:18,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:18,756 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:18,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 55 [2018-11-18 09:40:18,757 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:21,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:21,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2018-11-18 09:40:21,277 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:21,802 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:21,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-11-18 09:40:21,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:21,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:21,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:21,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-18 09:40:21,951 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:21,967 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:21,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-11-18 09:40:21,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 09:40:21,997 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:21,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-11-18 09:40:21,999 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:22,010 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:22,037 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:22,065 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 09:40:22,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:22,108 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:138, output treesize:20 [2018-11-18 09:40:36,486 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-18 09:40:45,126 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-11-18 09:40:45,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 94 [2018-11-18 09:40:45,413 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-18 09:40:45,423 INFO L477 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 11 treesize of output 10 [2018-11-18 09:40:45,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:45,747 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-11-18 09:40:45,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 78 [2018-11-18 09:40:46,077 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-11-18 09:40:46,083 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2018-11-18 09:40:46,087 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:46,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 09:40:46,089 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:46,124 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:46,130 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 64 [2018-11-18 09:40:46,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:46,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 09:40:46,137 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:46,195 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:46,202 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 76 [2018-11-18 09:40:46,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:46,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 09:40:46,211 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:46,282 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 09:40:47,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 63 [2018-11-18 09:40:47,185 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:47,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2018-11-18 09:40:47,186 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:47,310 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:50,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 73 [2018-11-18 09:40:50,300 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:50,469 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:40:51,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 74 [2018-11-18 09:40:51,592 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:54,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 84 [2018-11-18 09:40:54,870 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:55,068 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:55,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-11-18 09:40:55,070 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:55,275 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 09:40:55,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 09:40:55,857 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:55,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 09:40:55,858 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:55,906 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2018-11-18 09:40:55,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 6 [2018-11-18 09:40:55,940 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:55,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2018-11-18 09:40:55,962 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:40:56,013 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 09:40:56,124 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 09:40:56,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 57 [2018-11-18 09:40:56,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-11-18 09:40:56,159 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:56,247 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:56,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-11-18 09:40:56,249 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:56,345 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:56,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 60 [2018-11-18 09:40:56,379 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:40:56,492 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 09:40:56,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 09:40:56,511 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:56,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 09:40:56,513 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:56,549 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2018-11-18 09:40:56,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 6 [2018-11-18 09:40:56,583 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:56,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 09:40:56,606 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:40:56,646 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 09:40:56,749 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 09:40:56,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-11-18 09:40:56,767 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2018-11-18 09:40:56,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 6 [2018-11-18 09:40:56,799 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:56,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 09:40:56,824 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:40:56,880 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 09:40:57,005 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:57,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2018-11-18 09:40:57,032 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:57,193 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-18 09:40:57,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 57 [2018-11-18 09:40:57,224 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:57,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-11-18 09:40:57,225 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 09:40:57,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-11-18 09:40:57,294 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:57,366 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:57,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 60 [2018-11-18 09:40:57,392 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:40:57,510 INFO L267 ElimStorePlain]: Start of recursive call 36: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 09:40:57,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 57 [2018-11-18 09:40:57,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:57,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 59 [2018-11-18 09:40:57,621 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-18 09:40:57,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 09:40:57,765 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:57,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-11-18 09:40:57,768 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:40:57,907 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:40:57,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 88 [2018-11-18 09:40:57,990 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 09:40:58,263 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 7 xjuncts. [2018-11-18 09:41:00,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-11-18 09:41:00,199 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:00,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-11-18 09:41:00,200 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:00,305 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-18 09:41:00,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 6 [2018-11-18 09:41:00,377 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:00,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2018-11-18 09:41:00,401 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:00,489 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 09:41:00,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 44 treesize of output 36 [2018-11-18 09:41:00,767 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:00,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 38 treesize of output 30 [2018-11-18 09:41:00,773 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:00,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 49 treesize of output 41 [2018-11-18 09:41:00,779 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:00,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 35 treesize of output 27 [2018-11-18 09:41:00,785 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:02,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 69 [2018-11-18 09:41:02,213 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-18 09:41:02,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 60 [2018-11-18 09:41:02,247 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:02,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 57 treesize of output 49 [2018-11-18 09:41:02,254 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:02,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-11-18 09:41:02,296 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:02,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 55 [2018-11-18 09:41:02,689 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-11-18 09:41:02,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 78 [2018-11-18 09:41:02,788 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 09:41:03,332 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-18 09:41:03,905 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-11-18 09:41:03,906 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-11-18 09:41:03,913 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,919 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-11-18 09:41:03,921 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,927 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-11-18 09:41:03,928 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,935 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 54 [2018-11-18 09:41:03,937 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,943 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-11-18 09:41:03,944 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,949 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-11-18 09:41:03,951 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:03,957 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:03,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-11-18 09:41:03,958 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:04,413 INFO L267 ElimStorePlain]: Start of recursive call 45: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 11 xjuncts. [2018-11-18 09:41:04,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 64 [2018-11-18 09:41:04,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-11-18 09:41:04,500 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 09:41:04,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 50 treesize of output 42 [2018-11-18 09:41:04,740 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:04,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:05,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 85 [2018-11-18 09:41:05,036 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 09:41:05,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:05,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-11-18 09:41:05,487 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:05,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:05,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 62 [2018-11-18 09:41:05,918 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:06,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 31 treesize of output 23 [2018-11-18 09:41:06,326 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:06,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 45 treesize of output 37 [2018-11-18 09:41:06,337 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:06,703 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 09:41:06,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-11-18 09:41:06,704 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:07,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-11-18 09:41:07,076 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:07,368 INFO L267 ElimStorePlain]: Start of recursive call 68: 8 dim-1 vars, End of recursive call: 5 dim-0 vars, and 9 xjuncts. [2018-11-18 09:41:10,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 68 [2018-11-18 09:41:10,311 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 58 [2018-11-18 09:41:10,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 6 [2018-11-18 09:41:10,412 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-18 09:41:10,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 09:41:10,442 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 09:41:10,559 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 09:41:12,792 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:41:12,793 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_50 term size 55 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 09:41:12,796 INFO L168 Benchmark]: Toolchain (without parser) took 104033.84 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.2 MB). Free memory was 943.8 MB in the beginning and 1.0 GB in the end (delta: -71.7 MB). Peak memory consumption was 449.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:12,797 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:41:12,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 943.8 MB in the beginning and 1.2 GB in the end (delta: -218.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:12,798 INFO L168 Benchmark]: Boogie Preprocessor took 61.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:12,798 INFO L168 Benchmark]: RCFGBuilder took 1223.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:12,798 INFO L168 Benchmark]: TraceAbstraction took 102230.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.5 MB). Peak memory consumption was 367.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:41:12,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 514.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 943.8 MB in the beginning and 1.2 GB in the end (delta: -218.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1223.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 124.1 MB). Peak memory consumption was 124.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102230.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.5 MB). Peak memory consumption was 367.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_50 term size 55 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_50 term size 55: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...