./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 534681b11e8e68e6058985d885b01f2cbfa43e5b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:18:45,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:18:45,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:18:45,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:18:45,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:18:45,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:18:45,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:18:45,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:18:45,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:18:45,457 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:18:45,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:18:45,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:18:45,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:18:45,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:18:45,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:18:45,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:18:45,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:18:45,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:18:45,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:18:45,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:18:45,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:18:45,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:18:45,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:18:45,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:18:45,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:18:45,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:18:45,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:18:45,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:18:45,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:18:45,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:18:45,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:18:45,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:18:45,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:18:45,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:18:45,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:18:45,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:18:45,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2018-11-28 12:18:45,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:18:45,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:18:45,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:18:45,480 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:18:45,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:18:45,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:18:45,480 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:18:45,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:18:45,481 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:18:45,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:18:45,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:18:45,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:18:45,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:18:45,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:18:45,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:18:45,483 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:18:45,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:18:45,484 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_4ec0cd66-d2eb-4092-b485-5ba65e724007/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-memcleanup) ) 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 -> 534681b11e8e68e6058985d885b01f2cbfa43e5b [2018-11-28 12:18:45,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:18:45,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:18:45,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:18:45,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:18:45,521 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:18:45,521 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 12:18:45,567 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/data/120c0c870/4cdefcb6b7d34935b80ca3114c58b135/FLAG33dd466a5 [2018-11-28 12:18:46,017 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:18:46,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/sv-benchmarks/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 12:18:46,025 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/data/120c0c870/4cdefcb6b7d34935b80ca3114c58b135/FLAG33dd466a5 [2018-11-28 12:18:46,036 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/data/120c0c870/4cdefcb6b7d34935b80ca3114c58b135 [2018-11-28 12:18:46,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:18:46,039 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:18:46,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:18:46,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:18:46,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:18:46,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3711ebb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46, skipping insertion in model container [2018-11-28 12:18:46,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:18:46,080 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:18:46,282 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:18:46,331 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:18:46,368 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:18:46,400 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:18:46,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46 WrapperNode [2018-11-28 12:18:46,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:18:46,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:18:46,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:18:46,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:18:46,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... [2018-11-28 12:18:46,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:18:46,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:18:46,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:18:46,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:18:46,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/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 [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2018-11-28 12:18:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2018-11-28 12:18:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:18:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:18:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:18:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:18:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:18:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:18:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:18:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:18:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:18:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:18:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:18:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:18:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2018-11-28 12:18:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:18:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:18:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:18:47,129 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:18:47,129 INFO L280 CfgBuilder]: Removed 33 assue(true) statements. [2018-11-28 12:18:47,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:18:47 BoogieIcfgContainer [2018-11-28 12:18:47,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:18:47,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:18:47,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:18:47,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:18:47,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:18:46" (1/3) ... [2018-11-28 12:18:47,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a59691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:18:47, skipping insertion in model container [2018-11-28 12:18:47,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:18:46" (2/3) ... [2018-11-28 12:18:47,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a59691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:18:47, skipping insertion in model container [2018-11-28 12:18:47,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:18:47" (3/3) ... [2018-11-28 12:18:47,137 INFO L112 eAbstractionObserver]: Analyzing ICFG merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 12:18:47,144 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:18:47,151 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 101 error locations. [2018-11-28 12:18:47,161 INFO L257 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2018-11-28 12:18:47,178 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:18:47,178 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:18:47,178 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:18:47,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:18:47,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:18:47,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:18:47,179 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:18:47,179 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:18:47,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:18:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states. [2018-11-28 12:18:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:18:47,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:47,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:47,204 INFO L423 AbstractCegarLoop]: === Iteration 1 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:47,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:47,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1221642360, now seen corresponding path program 1 times [2018-11-28 12:18:47,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:47,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:47,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:47,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:47,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:47,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:47,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:18:47,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:18:47,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:18:47,318 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 2 states. [2018-11-28 12:18:47,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:47,343 INFO L93 Difference]: Finished difference Result 270 states and 295 transitions. [2018-11-28 12:18:47,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:18:47,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-28 12:18:47,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:47,352 INFO L225 Difference]: With dead ends: 270 [2018-11-28 12:18:47,352 INFO L226 Difference]: Without dead ends: 253 [2018-11-28 12:18:47,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:18:47,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-28 12:18:47,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-11-28 12:18:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-28 12:18:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 266 transitions. [2018-11-28 12:18:47,387 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 266 transitions. Word has length 9 [2018-11-28 12:18:47,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:47,388 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 266 transitions. [2018-11-28 12:18:47,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:18:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 266 transitions. [2018-11-28 12:18:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:18:47,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:47,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:47,389 INFO L423 AbstractCegarLoop]: === Iteration 2 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:47,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:47,389 INFO L82 PathProgramCache]: Analyzing trace with hash 782744891, now seen corresponding path program 1 times [2018-11-28 12:18:47,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:47,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:47,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:47,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:47,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:47,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:47,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:47,424 INFO L87 Difference]: Start difference. First operand 253 states and 266 transitions. Second operand 3 states. [2018-11-28 12:18:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:47,628 INFO L93 Difference]: Finished difference Result 293 states and 315 transitions. [2018-11-28 12:18:47,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:47,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:18:47,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:47,631 INFO L225 Difference]: With dead ends: 293 [2018-11-28 12:18:47,631 INFO L226 Difference]: Without dead ends: 292 [2018-11-28 12:18:47,632 INFO L631 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 [2018-11-28 12:18:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-11-28 12:18:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 256. [2018-11-28 12:18:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-28 12:18:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-11-28 12:18:47,648 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 10 [2018-11-28 12:18:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:47,648 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-11-28 12:18:47,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-11-28 12:18:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:18:47,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:47,649 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:47,649 INFO L423 AbstractCegarLoop]: === Iteration 3 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:47,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:47,653 INFO L82 PathProgramCache]: Analyzing trace with hash 782745869, now seen corresponding path program 1 times [2018-11-28 12:18:47,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:47,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:47,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:47,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:47,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:47,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:47,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:47,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:47,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:47,699 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 3 states. [2018-11-28 12:18:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:47,820 INFO L93 Difference]: Finished difference Result 271 states and 288 transitions. [2018-11-28 12:18:47,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:47,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:18:47,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:47,821 INFO L225 Difference]: With dead ends: 271 [2018-11-28 12:18:47,821 INFO L226 Difference]: Without dead ends: 271 [2018-11-28 12:18:47,822 INFO L631 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 [2018-11-28 12:18:47,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-11-28 12:18:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 254. [2018-11-28 12:18:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-28 12:18:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 268 transitions. [2018-11-28 12:18:47,830 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 268 transitions. Word has length 10 [2018-11-28 12:18:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:47,831 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 268 transitions. [2018-11-28 12:18:47,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 268 transitions. [2018-11-28 12:18:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:18:47,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:47,832 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:47,832 INFO L423 AbstractCegarLoop]: === Iteration 4 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:47,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:47,832 INFO L82 PathProgramCache]: Analyzing trace with hash 782745870, now seen corresponding path program 1 times [2018-11-28 12:18:47,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:47,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:47,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:47,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:47,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:47,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:47,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:47,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:47,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:47,884 INFO L87 Difference]: Start difference. First operand 254 states and 268 transitions. Second operand 3 states. [2018-11-28 12:18:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:47,983 INFO L93 Difference]: Finished difference Result 279 states and 297 transitions. [2018-11-28 12:18:47,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:47,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:18:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:47,988 INFO L225 Difference]: With dead ends: 279 [2018-11-28 12:18:47,989 INFO L226 Difference]: Without dead ends: 279 [2018-11-28 12:18:47,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-11-28 12:18:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 252. [2018-11-28 12:18:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-28 12:18:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 266 transitions. [2018-11-28 12:18:47,996 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 266 transitions. Word has length 10 [2018-11-28 12:18:47,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:47,996 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 266 transitions. [2018-11-28 12:18:47,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 266 transitions. [2018-11-28 12:18:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 12:18:47,996 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:47,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:47,997 INFO L423 AbstractCegarLoop]: === Iteration 5 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:47,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:47,997 INFO L82 PathProgramCache]: Analyzing trace with hash -199927265, now seen corresponding path program 1 times [2018-11-28 12:18:47,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:47,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:47,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:47,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:47,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:18:48,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:48,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:48,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:48,015 INFO L87 Difference]: Start difference. First operand 252 states and 266 transitions. Second operand 3 states. [2018-11-28 12:18:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:48,057 INFO L93 Difference]: Finished difference Result 267 states and 279 transitions. [2018-11-28 12:18:48,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:48,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-28 12:18:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:48,059 INFO L225 Difference]: With dead ends: 267 [2018-11-28 12:18:48,059 INFO L226 Difference]: Without dead ends: 266 [2018-11-28 12:18:48,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-28 12:18:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 251. [2018-11-28 12:18:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-11-28 12:18:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 264 transitions. [2018-11-28 12:18:48,066 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 264 transitions. Word has length 14 [2018-11-28 12:18:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:48,066 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 264 transitions. [2018-11-28 12:18:48,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 264 transitions. [2018-11-28 12:18:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 12:18:48,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:48,067 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:48,067 INFO L423 AbstractCegarLoop]: === Iteration 6 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:48,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:48,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1704137441, now seen corresponding path program 1 times [2018-11-28 12:18:48,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:48,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:48,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:48,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:48,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:48,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:48,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:48,092 INFO L87 Difference]: Start difference. First operand 251 states and 264 transitions. Second operand 3 states. [2018-11-28 12:18:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:48,214 INFO L93 Difference]: Finished difference Result 270 states and 285 transitions. [2018-11-28 12:18:48,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:48,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-28 12:18:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:48,216 INFO L225 Difference]: With dead ends: 270 [2018-11-28 12:18:48,216 INFO L226 Difference]: Without dead ends: 270 [2018-11-28 12:18:48,216 INFO L631 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 [2018-11-28 12:18:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-11-28 12:18:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 249. [2018-11-28 12:18:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-11-28 12:18:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 262 transitions. [2018-11-28 12:18:48,220 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 262 transitions. Word has length 15 [2018-11-28 12:18:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:48,221 INFO L480 AbstractCegarLoop]: Abstraction has 249 states and 262 transitions. [2018-11-28 12:18:48,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 262 transitions. [2018-11-28 12:18:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 12:18:48,221 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:48,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:48,222 INFO L423 AbstractCegarLoop]: === Iteration 7 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:48,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:48,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1704137442, now seen corresponding path program 1 times [2018-11-28 12:18:48,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:48,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:48,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:48,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:18:48,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:18:48,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:18:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:48,258 INFO L87 Difference]: Start difference. First operand 249 states and 262 transitions. Second operand 3 states. [2018-11-28 12:18:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:48,347 INFO L93 Difference]: Finished difference Result 278 states and 294 transitions. [2018-11-28 12:18:48,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:18:48,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-28 12:18:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:48,349 INFO L225 Difference]: With dead ends: 278 [2018-11-28 12:18:48,349 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 12:18:48,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:18:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 12:18:48,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 247. [2018-11-28 12:18:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 12:18:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 260 transitions. [2018-11-28 12:18:48,355 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 260 transitions. Word has length 15 [2018-11-28 12:18:48,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:48,355 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 260 transitions. [2018-11-28 12:18:48,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:18:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 260 transitions. [2018-11-28 12:18:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 12:18:48,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:48,356 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:48,356 INFO L423 AbstractCegarLoop]: === Iteration 8 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:48,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash 664751673, now seen corresponding path program 1 times [2018-11-28 12:18:48,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:48,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:48,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:48,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:18:48,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:18:48,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:18:48,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:18:48,389 INFO L87 Difference]: Start difference. First operand 247 states and 260 transitions. Second operand 4 states. [2018-11-28 12:18:48,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:48,419 INFO L93 Difference]: Finished difference Result 282 states and 298 transitions. [2018-11-28 12:18:48,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:18:48,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-28 12:18:48,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:48,420 INFO L225 Difference]: With dead ends: 282 [2018-11-28 12:18:48,420 INFO L226 Difference]: Without dead ends: 282 [2018-11-28 12:18:48,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:18:48,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-28 12:18:48,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 247. [2018-11-28 12:18:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 12:18:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 259 transitions. [2018-11-28 12:18:48,426 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 259 transitions. Word has length 21 [2018-11-28 12:18:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:48,427 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 259 transitions. [2018-11-28 12:18:48,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:18:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 259 transitions. [2018-11-28 12:18:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 12:18:48,427 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:48,427 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:48,428 INFO L423 AbstractCegarLoop]: === Iteration 9 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:48,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:48,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1799341027, now seen corresponding path program 1 times [2018-11-28 12:18:48,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:48,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:48,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:48,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:18:48,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:48,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:48,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:48,472 INFO L87 Difference]: Start difference. First operand 247 states and 259 transitions. Second operand 6 states. [2018-11-28 12:18:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:48,729 INFO L93 Difference]: Finished difference Result 260 states and 275 transitions. [2018-11-28 12:18:48,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:18:48,729 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 12:18:48,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:48,730 INFO L225 Difference]: With dead ends: 260 [2018-11-28 12:18:48,731 INFO L226 Difference]: Without dead ends: 260 [2018-11-28 12:18:48,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:48,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-28 12:18:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2018-11-28 12:18:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-28 12:18:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 254 transitions. [2018-11-28 12:18:48,736 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 254 transitions. Word has length 25 [2018-11-28 12:18:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:48,736 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 254 transitions. [2018-11-28 12:18:48,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 254 transitions. [2018-11-28 12:18:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 12:18:48,737 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:48,737 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:48,738 INFO L423 AbstractCegarLoop]: === Iteration 10 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:48,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:48,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1799341026, now seen corresponding path program 1 times [2018-11-28 12:18:48,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:48,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:48,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:48,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:48,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:48,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:18:48,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:48,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:48,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:48,806 INFO L87 Difference]: Start difference. First operand 240 states and 254 transitions. Second operand 6 states. [2018-11-28 12:18:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:49,063 INFO L93 Difference]: Finished difference Result 301 states and 317 transitions. [2018-11-28 12:18:49,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:18:49,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 12:18:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:49,064 INFO L225 Difference]: With dead ends: 301 [2018-11-28 12:18:49,064 INFO L226 Difference]: Without dead ends: 301 [2018-11-28 12:18:49,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-11-28 12:18:49,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 268. [2018-11-28 12:18:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-28 12:18:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 285 transitions. [2018-11-28 12:18:49,070 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 285 transitions. Word has length 25 [2018-11-28 12:18:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:49,070 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 285 transitions. [2018-11-28 12:18:49,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 285 transitions. [2018-11-28 12:18:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:18:49,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:49,071 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:49,071 INFO L423 AbstractCegarLoop]: === Iteration 11 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:49,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:49,072 INFO L82 PathProgramCache]: Analyzing trace with hash 34413144, now seen corresponding path program 1 times [2018-11-28 12:18:49,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:49,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:49,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:49,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:49,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:49,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:49,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:18:49,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:18:49,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:18:49,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:18:49,201 INFO L87 Difference]: Start difference. First operand 268 states and 285 transitions. Second operand 10 states. [2018-11-28 12:18:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:49,713 INFO L93 Difference]: Finished difference Result 295 states and 311 transitions. [2018-11-28 12:18:49,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:18:49,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-28 12:18:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:49,715 INFO L225 Difference]: With dead ends: 295 [2018-11-28 12:18:49,715 INFO L226 Difference]: Without dead ends: 295 [2018-11-28 12:18:49,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:18:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-11-28 12:18:49,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 269. [2018-11-28 12:18:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 12:18:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 287 transitions. [2018-11-28 12:18:49,721 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 287 transitions. Word has length 36 [2018-11-28 12:18:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:49,721 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 287 transitions. [2018-11-28 12:18:49,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:18:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 287 transitions. [2018-11-28 12:18:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:18:49,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:49,722 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:49,722 INFO L423 AbstractCegarLoop]: === Iteration 12 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:49,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:49,723 INFO L82 PathProgramCache]: Analyzing trace with hash 34413145, now seen corresponding path program 1 times [2018-11-28 12:18:49,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:49,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:49,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:49,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:49,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:49,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:49,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:18:49,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:18:49,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:18:49,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:18:49,868 INFO L87 Difference]: Start difference. First operand 269 states and 287 transitions. Second operand 9 states. [2018-11-28 12:18:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:50,320 INFO L93 Difference]: Finished difference Result 294 states and 310 transitions. [2018-11-28 12:18:50,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:18:50,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-11-28 12:18:50,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:50,322 INFO L225 Difference]: With dead ends: 294 [2018-11-28 12:18:50,322 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 12:18:50,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:18:50,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 12:18:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 269. [2018-11-28 12:18:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 12:18:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 286 transitions. [2018-11-28 12:18:50,327 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 286 transitions. Word has length 36 [2018-11-28 12:18:50,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:50,327 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 286 transitions. [2018-11-28 12:18:50,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:18:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 286 transitions. [2018-11-28 12:18:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:18:50,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:50,328 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:50,328 INFO L423 AbstractCegarLoop]: === Iteration 13 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:50,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:50,328 INFO L82 PathProgramCache]: Analyzing trace with hash 2127903738, now seen corresponding path program 1 times [2018-11-28 12:18:50,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:50,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:50,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:50,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:50,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:50,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:50,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:18:50,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:18:50,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:18:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:18:50,441 INFO L87 Difference]: Start difference. First operand 269 states and 286 transitions. Second operand 10 states. [2018-11-28 12:18:50,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:50,961 INFO L93 Difference]: Finished difference Result 293 states and 309 transitions. [2018-11-28 12:18:50,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:18:50,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-28 12:18:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:50,963 INFO L225 Difference]: With dead ends: 293 [2018-11-28 12:18:50,963 INFO L226 Difference]: Without dead ends: 293 [2018-11-28 12:18:50,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:18:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-11-28 12:18:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 269. [2018-11-28 12:18:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 12:18:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 285 transitions. [2018-11-28 12:18:50,969 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 285 transitions. Word has length 36 [2018-11-28 12:18:50,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:50,969 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 285 transitions. [2018-11-28 12:18:50,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:18:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 285 transitions. [2018-11-28 12:18:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:18:50,970 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:50,972 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:50,973 INFO L423 AbstractCegarLoop]: === Iteration 14 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:50,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:50,973 INFO L82 PathProgramCache]: Analyzing trace with hash 2127903739, now seen corresponding path program 1 times [2018-11-28 12:18:50,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:50,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:50,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:50,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:50,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:51,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:51,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:18:51,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:18:51,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:18:51,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:51,092 INFO L87 Difference]: Start difference. First operand 269 states and 285 transitions. Second operand 8 states. [2018-11-28 12:18:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:51,500 INFO L93 Difference]: Finished difference Result 292 states and 308 transitions. [2018-11-28 12:18:51,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:18:51,500 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-28 12:18:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:51,501 INFO L225 Difference]: With dead ends: 292 [2018-11-28 12:18:51,501 INFO L226 Difference]: Without dead ends: 292 [2018-11-28 12:18:51,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:18:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-11-28 12:18:51,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 269. [2018-11-28 12:18:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 12:18:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 284 transitions. [2018-11-28 12:18:51,507 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 284 transitions. Word has length 36 [2018-11-28 12:18:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:51,507 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 284 transitions. [2018-11-28 12:18:51,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:18:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 284 transitions. [2018-11-28 12:18:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 12:18:51,508 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:51,508 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:51,508 INFO L423 AbstractCegarLoop]: === Iteration 15 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:51,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:51,508 INFO L82 PathProgramCache]: Analyzing trace with hash -627690379, now seen corresponding path program 1 times [2018-11-28 12:18:51,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:51,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:51,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:51,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:51,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:51,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:51,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 12:18:51,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:18:51,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:18:51,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:18:51,659 INFO L87 Difference]: Start difference. First operand 269 states and 284 transitions. Second operand 12 states. [2018-11-28 12:18:52,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:52,099 INFO L93 Difference]: Finished difference Result 246 states and 260 transitions. [2018-11-28 12:18:52,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:18:52,099 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-11-28 12:18:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:52,100 INFO L225 Difference]: With dead ends: 246 [2018-11-28 12:18:52,100 INFO L226 Difference]: Without dead ends: 235 [2018-11-28 12:18:52,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2018-11-28 12:18:52,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-28 12:18:52,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 217. [2018-11-28 12:18:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 12:18:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 230 transitions. [2018-11-28 12:18:52,104 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 230 transitions. Word has length 41 [2018-11-28 12:18:52,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:52,104 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 230 transitions. [2018-11-28 12:18:52,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:18:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 230 transitions. [2018-11-28 12:18:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:18:52,105 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:52,105 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:52,105 INFO L423 AbstractCegarLoop]: === Iteration 16 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:52,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:52,108 INFO L82 PathProgramCache]: Analyzing trace with hash -501181479, now seen corresponding path program 1 times [2018-11-28 12:18:52,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:52,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:52,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:52,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:52,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:52,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:18:52,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:52,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:52,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:52,145 INFO L87 Difference]: Start difference. First operand 217 states and 230 transitions. Second operand 6 states. [2018-11-28 12:18:52,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:52,383 INFO L93 Difference]: Finished difference Result 247 states and 266 transitions. [2018-11-28 12:18:52,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:18:52,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2018-11-28 12:18:52,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:52,383 INFO L225 Difference]: With dead ends: 247 [2018-11-28 12:18:52,383 INFO L226 Difference]: Without dead ends: 247 [2018-11-28 12:18:52,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-28 12:18:52,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 217. [2018-11-28 12:18:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 12:18:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 232 transitions. [2018-11-28 12:18:52,387 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 232 transitions. Word has length 46 [2018-11-28 12:18:52,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:52,387 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 232 transitions. [2018-11-28 12:18:52,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 232 transitions. [2018-11-28 12:18:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:18:52,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:52,388 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:52,388 INFO L423 AbstractCegarLoop]: === Iteration 17 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:52,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:52,388 INFO L82 PathProgramCache]: Analyzing trace with hash -501181478, now seen corresponding path program 1 times [2018-11-28 12:18:52,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:52,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:52,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:52,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:52,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:52,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:18:52,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:52,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:52,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:52,445 INFO L87 Difference]: Start difference. First operand 217 states and 232 transitions. Second operand 6 states. [2018-11-28 12:18:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:52,655 INFO L93 Difference]: Finished difference Result 256 states and 275 transitions. [2018-11-28 12:18:52,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:18:52,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2018-11-28 12:18:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:52,657 INFO L225 Difference]: With dead ends: 256 [2018-11-28 12:18:52,657 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 12:18:52,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 12:18:52,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2018-11-28 12:18:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-28 12:18:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 247 transitions. [2018-11-28 12:18:52,660 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 247 transitions. Word has length 46 [2018-11-28 12:18:52,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:52,661 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 247 transitions. [2018-11-28 12:18:52,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 247 transitions. [2018-11-28 12:18:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:18:52,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:52,661 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:52,662 INFO L423 AbstractCegarLoop]: === Iteration 18 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:52,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:52,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1578320400, now seen corresponding path program 1 times [2018-11-28 12:18:52,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:52,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:52,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:52,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 12:18:52,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:52,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:18:52,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:18:52,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:18:52,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:18:52,703 INFO L87 Difference]: Start difference. First operand 229 states and 247 transitions. Second operand 5 states. [2018-11-28 12:18:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:52,857 INFO L93 Difference]: Finished difference Result 226 states and 244 transitions. [2018-11-28 12:18:52,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:18:52,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-28 12:18:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:52,858 INFO L225 Difference]: With dead ends: 226 [2018-11-28 12:18:52,858 INFO L226 Difference]: Without dead ends: 226 [2018-11-28 12:18:52,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:52,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-28 12:18:52,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-11-28 12:18:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-28 12:18:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 244 transitions. [2018-11-28 12:18:52,863 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 244 transitions. Word has length 47 [2018-11-28 12:18:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:52,863 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 244 transitions. [2018-11-28 12:18:52,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:18:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 244 transitions. [2018-11-28 12:18:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:18:52,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:52,863 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:18:52,863 INFO L423 AbstractCegarLoop]: === Iteration 19 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:52,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:52,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1578320401, now seen corresponding path program 1 times [2018-11-28 12:18:52,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:52,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:52,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:52,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:52,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:52,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:18:52,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:52,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:52,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:52,922 INFO L87 Difference]: Start difference. First operand 226 states and 244 transitions. Second operand 6 states. [2018-11-28 12:18:53,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:53,137 INFO L93 Difference]: Finished difference Result 275 states and 293 transitions. [2018-11-28 12:18:53,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:18:53,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2018-11-28 12:18:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:53,139 INFO L225 Difference]: With dead ends: 275 [2018-11-28 12:18:53,140 INFO L226 Difference]: Without dead ends: 275 [2018-11-28 12:18:53,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-11-28 12:18:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 247. [2018-11-28 12:18:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 12:18:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 271 transitions. [2018-11-28 12:18:53,146 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 271 transitions. Word has length 47 [2018-11-28 12:18:53,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:53,146 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 271 transitions. [2018-11-28 12:18:53,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 271 transitions. [2018-11-28 12:18:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 12:18:53,146 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:53,146 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-11-28 12:18:53,147 INFO L423 AbstractCegarLoop]: === Iteration 20 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:53,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:53,147 INFO L82 PathProgramCache]: Analyzing trace with hash -183169795, now seen corresponding path program 1 times [2018-11-28 12:18:53,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:53,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:53,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:53,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:53,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:53,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:53,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:18:53,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:18:53,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:18:53,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:18:53,185 INFO L87 Difference]: Start difference. First operand 247 states and 271 transitions. Second operand 6 states. [2018-11-28 12:18:53,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:53,264 INFO L93 Difference]: Finished difference Result 300 states and 324 transitions. [2018-11-28 12:18:53,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:18:53,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-28 12:18:53,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:53,265 INFO L225 Difference]: With dead ends: 300 [2018-11-28 12:18:53,265 INFO L226 Difference]: Without dead ends: 297 [2018-11-28 12:18:53,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:18:53,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-11-28 12:18:53,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2018-11-28 12:18:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-28 12:18:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 279 transitions. [2018-11-28 12:18:53,270 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 279 transitions. Word has length 50 [2018-11-28 12:18:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:53,271 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 279 transitions. [2018-11-28 12:18:53,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:18:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 279 transitions. [2018-11-28 12:18:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 12:18:53,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:18:53,271 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-11-28 12:18:53,272 INFO L423 AbstractCegarLoop]: === Iteration 21 === [merge_pairErr11REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr19REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 12:18:53,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:18:53,272 INFO L82 PathProgramCache]: Analyzing trace with hash -160230747, now seen corresponding path program 1 times [2018-11-28 12:18:53,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:18:53,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:18:53,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:53,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:18:53,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:18:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:18:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:18:53,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:18:53,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-28 12:18:53,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:18:53,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:18:53,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:18:53,496 INFO L87 Difference]: Start difference. First operand 254 states and 279 transitions. Second operand 14 states. [2018-11-28 12:18:53,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:18:53,872 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-11-28 12:18:53,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:18:53,872 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 50 [2018-11-28 12:18:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:18:53,872 INFO L225 Difference]: With dead ends: 44 [2018-11-28 12:18:53,872 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:18:53,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-11-28 12:18:53,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:18:53,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:18:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:18:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:18:53,873 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-11-28 12:18:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:18:53,873 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:18:53,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:18:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:18:53,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:18:53,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:18:53 BoogieIcfgContainer [2018-11-28 12:18:53,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:18:53,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:18:53,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:18:53,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:18:53,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:18:47" (3/4) ... [2018-11-28 12:18:53,883 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:18:53,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fail [2018-11-28 12:18:53,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:18:53,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure merge_pair [2018-11-28 12:18:53,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure merge_single_node [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure seq_sort_core [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inspect_before [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:18:53,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inspect_after [2018-11-28 12:18:53,898 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-28 12:18:53,898 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:18:53,898 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:18:53,953 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ec0cd66-d2eb-4092-b485-5ba65e724007/bin-2019/uautomizer/witness.graphml [2018-11-28 12:18:53,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:18:53,954 INFO L168 Benchmark]: Toolchain (without parser) took 7915.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 950.6 MB in the beginning and 838.8 MB in the end (delta: 111.8 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,955 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:18:53,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,956 INFO L168 Benchmark]: Boogie Preprocessor took 44.51 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,956 INFO L168 Benchmark]: RCFGBuilder took 683.85 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: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,956 INFO L168 Benchmark]: TraceAbstraction took 6748.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 845.5 MB in the end (delta: 175.2 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,957 INFO L168 Benchmark]: Witness Printer took 74.21 ms. Allocated memory is still 1.2 GB. Free memory was 845.5 MB in the beginning and 838.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:18:53,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.51 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 683.85 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: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6748.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.0 GB in the beginning and 845.5 MB in the end (delta: 175.2 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.21 ms. Allocated memory is still 1.2 GB. Free memory was 845.5 MB in the beginning and 838.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 597]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 597]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 590]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 598]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 590]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 598]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 612]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 613]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 613]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 612]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 650]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 625]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 651]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 644]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 644]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 647]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 648]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 648]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 647]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 651]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 633]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 633]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 650]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 101 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 278 locations, 101 error locations. SAFE Result, 6.7s OverallTime, 21 OverallIterations, 2 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4586 SDtfs, 2008 SDslu, 10434 SDs, 0 SdLazy, 7065 SolverSat, 242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 49 SyntacticMatches, 10 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 479 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 134191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...