./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ded1caa2f8c25b2d12db952d692e8b8fb2437d41 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:37,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:37,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:37,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:37,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:37,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:37,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:37,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:37,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:37,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:37,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:37,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:37,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:37,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:37,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:37,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:37,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:37,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:37,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:37,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:37,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:37,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:37,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:37,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:37,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:37,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:37,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:37,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:37,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:37,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:37,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:37,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:37,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:37,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:37,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:37,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:37,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:37,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:37,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:37,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:37,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:37,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:02:37,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:37,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:37,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:37,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:37,490 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:37,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:37,491 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:37,492 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:37,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:37,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:37,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:37,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:37,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:37,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:37,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:37,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:37,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:37,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:37,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:37,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:37,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded1caa2f8c25b2d12db952d692e8b8fb2437d41 [2019-10-22 09:02:37,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:37,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:37,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:37,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:37,545 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:37,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2019-10-22 09:02:37,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/data/b034279f6/47c0fc80c9c54e6ab9498d7b3a4c35f4/FLAG6ae9042c5 [2019-10-22 09:02:38,013 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:38,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2019-10-22 09:02:38,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/data/b034279f6/47c0fc80c9c54e6ab9498d7b3a4c35f4/FLAG6ae9042c5 [2019-10-22 09:02:38,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/data/b034279f6/47c0fc80c9c54e6ab9498d7b3a4c35f4 [2019-10-22 09:02:38,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:38,039 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:38,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:38,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:38,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:38,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24020f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38, skipping insertion in model container [2019-10-22 09:02:38,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,055 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:38,092 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:38,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:38,448 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:38,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:38,526 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:38,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38 WrapperNode [2019-10-22 09:02:38,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:38,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:38,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:38,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:38,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... [2019-10-22 09:02:38,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:38,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:38,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:38,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:38,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure expandArray [2019-10-22 09:02:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure expandArray [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:39,094 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:39,095 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 09:02:39,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:39 BoogieIcfgContainer [2019-10-22 09:02:39,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:39,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:39,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:39,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:39,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:38" (1/3) ... [2019-10-22 09:02:39,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b8ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:39, skipping insertion in model container [2019-10-22 09:02:39,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:38" (2/3) ... [2019-10-22 09:02:39,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b8ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:39, skipping insertion in model container [2019-10-22 09:02:39,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:39" (3/3) ... [2019-10-22 09:02:39,117 INFO L109 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2019-10-22 09:02:39,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:39,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-10-22 09:02:39,150 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-10-22 09:02:39,170 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:39,171 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:39,171 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:39,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:39,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:39,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:39,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:39,176 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2019-10-22 09:02:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 09:02:39,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,205 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,207 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:39,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1600794211, now seen corresponding path program 1 times [2019-10-22 09:02:39,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845886368] [2019-10-22 09:02:39,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845886368] [2019-10-22 09:02:39,426 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:39,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875881834] [2019-10-22 09:02:39,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:39,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:39,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:39,442 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 4 states. [2019-10-22 09:02:39,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,520 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2019-10-22 09:02:39,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:39,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-10-22 09:02:39,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,531 INFO L225 Difference]: With dead ends: 41 [2019-10-22 09:02:39,531 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 09:02:39,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:39,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 09:02:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2019-10-22 09:02:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-22 09:02:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2019-10-22 09:02:39,575 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 8 [2019-10-22 09:02:39,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,576 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2019-10-22 09:02:39,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2019-10-22 09:02:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:02:39,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,581 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,581 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1914987658, now seen corresponding path program 1 times [2019-10-22 09:02:39,582 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942027216] [2019-10-22 09:02:39,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942027216] [2019-10-22 09:02:39,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:39,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568894739] [2019-10-22 09:02:39,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:39,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:39,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:39,694 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 4 states. [2019-10-22 09:02:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,775 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-10-22 09:02:39,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:39,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 09:02:39,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,776 INFO L225 Difference]: With dead ends: 36 [2019-10-22 09:02:39,777 INFO L226 Difference]: Without dead ends: 36 [2019-10-22 09:02:39,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:39,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-22 09:02:39,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-10-22 09:02:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-22 09:02:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-10-22 09:02:39,781 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 9 [2019-10-22 09:02:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,781 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-10-22 09:02:39,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-10-22 09:02:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:39,782 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,782 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:39,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,783 INFO L82 PathProgramCache]: Analyzing trace with hash 585007852, now seen corresponding path program 1 times [2019-10-22 09:02:39,783 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165870025] [2019-10-22 09:02:39,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:39,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165870025] [2019-10-22 09:02:39,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:39,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:02:39,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054529222] [2019-10-22 09:02:39,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:02:39,943 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:02:39,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:39,944 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2019-10-22 09:02:40,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:40,139 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-10-22 09:02:40,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:40,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-10-22 09:02:40,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:40,140 INFO L225 Difference]: With dead ends: 33 [2019-10-22 09:02:40,141 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:02:40,141 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:02:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:02:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:02:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-10-22 09:02:40,145 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 16 [2019-10-22 09:02:40,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,146 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-10-22 09:02:40,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-10-22 09:02:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:40,147 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:40,147 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:40,147 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:40,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1348980882, now seen corresponding path program 1 times [2019-10-22 09:02:40,148 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:40,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29063227] [2019-10-22 09:02:40,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:40,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29063227] [2019-10-22 09:02:40,256 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:40,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:02:40,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11257371] [2019-10-22 09:02:40,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:02:40,256 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:40,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:02:40,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:40,257 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 8 states. [2019-10-22 09:02:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:40,515 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-10-22 09:02:40,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:02:40,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-10-22 09:02:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:40,518 INFO L225 Difference]: With dead ends: 41 [2019-10-22 09:02:40,518 INFO L226 Difference]: Without dead ends: 41 [2019-10-22 09:02:40,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:02:40,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-22 09:02:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2019-10-22 09:02:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-22 09:02:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-10-22 09:02:40,523 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 17 [2019-10-22 09:02:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,523 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-10-22 09:02:40,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-10-22 09:02:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:40,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:40,527 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:40,528 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:40,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:40,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1348057361, now seen corresponding path program 1 times [2019-10-22 09:02:40,528 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:40,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055189458] [2019-10-22 09:02:40,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,529 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:40,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055189458] [2019-10-22 09:02:40,669 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:40,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:40,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41770517] [2019-10-22 09:02:40,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:02:40,669 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:40,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:02:40,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:40,670 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 7 states. [2019-10-22 09:02:40,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:40,826 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-10-22 09:02:40,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:40,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-10-22 09:02:40,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:40,828 INFO L225 Difference]: With dead ends: 35 [2019-10-22 09:02:40,828 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 09:02:40,829 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 09:02:40,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 09:02:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 09:02:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2019-10-22 09:02:40,833 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 17 [2019-10-22 09:02:40,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,834 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2019-10-22 09:02:40,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:02:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2019-10-22 09:02:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:40,834 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:40,835 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:40,835 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:40,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1348057360, now seen corresponding path program 1 times [2019-10-22 09:02:40,836 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:40,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018144239] [2019-10-22 09:02:40,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,836 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:40,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:40,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018144239] [2019-10-22 09:02:40,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:40,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:02:40,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615495712] [2019-10-22 09:02:40,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:02:40,943 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:40,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:02:40,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:40,944 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 9 states. [2019-10-22 09:02:41,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:41,173 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-10-22 09:02:41,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:02:41,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-10-22 09:02:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:41,174 INFO L225 Difference]: With dead ends: 34 [2019-10-22 09:02:41,174 INFO L226 Difference]: Without dead ends: 34 [2019-10-22 09:02:41,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:02:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-22 09:02:41,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-22 09:02:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-22 09:02:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2019-10-22 09:02:41,179 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 17 [2019-10-22 09:02:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:41,180 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2019-10-22 09:02:41,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:02:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2019-10-22 09:02:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:41,181 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:41,181 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:41,181 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:41,182 INFO L82 PathProgramCache]: Analyzing trace with hash -800508335, now seen corresponding path program 1 times [2019-10-22 09:02:41,182 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:41,182 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932926681] [2019-10-22 09:02:41,182 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,182 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:41,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932926681] [2019-10-22 09:02:41,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:41,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:41,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614467852] [2019-10-22 09:02:41,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:41,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:41,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:41,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:41,288 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 6 states. [2019-10-22 09:02:41,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:41,373 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2019-10-22 09:02:41,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:41,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 09:02:41,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:41,375 INFO L225 Difference]: With dead ends: 33 [2019-10-22 09:02:41,375 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:02:41,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:41,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:02:41,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:02:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:02:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2019-10-22 09:02:41,379 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2019-10-22 09:02:41,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:41,379 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2019-10-22 09:02:41,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2019-10-22 09:02:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:02:41,380 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:41,380 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:41,381 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:41,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:41,381 INFO L82 PathProgramCache]: Analyzing trace with hash 954045444, now seen corresponding path program 1 times [2019-10-22 09:02:41,381 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:41,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005342407] [2019-10-22 09:02:41,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:41,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005342407] [2019-10-22 09:02:41,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:41,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:41,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817931594] [2019-10-22 09:02:41,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:41,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:41,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:41,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:41,461 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 6 states. [2019-10-22 09:02:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:41,589 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-10-22 09:02:41,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:41,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-10-22 09:02:41,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:41,590 INFO L225 Difference]: With dead ends: 32 [2019-10-22 09:02:41,590 INFO L226 Difference]: Without dead ends: 32 [2019-10-22 09:02:41,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-22 09:02:41,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-10-22 09:02:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-22 09:02:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2019-10-22 09:02:41,594 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 25 [2019-10-22 09:02:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:41,594 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2019-10-22 09:02:41,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2019-10-22 09:02:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:02:41,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:41,595 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:41,595 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr0ASSERT_VIOLATIONMEMORY_FREE, expandArrayErr1REQUIRES_VIOLATION, expandArrayErr0REQUIRES_VIOLATION]=== [2019-10-22 09:02:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:41,595 INFO L82 PathProgramCache]: Analyzing trace with hash -489362253, now seen corresponding path program 1 times [2019-10-22 09:02:41,595 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:41,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930513896] [2019-10-22 09:02:41,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,599 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:41,671 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:41,676 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:02:41,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:41 BoogieIcfgContainer [2019-10-22 09:02:41,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:41,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:41,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:41,711 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:41,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:39" (3/4) ... [2019-10-22 09:02:41,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:02:41,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e1f3d29-fc01-4fd3-8823-2aed50995eac/bin/uautomizer/witness.graphml [2019-10-22 09:02:41,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:41,779 INFO L168 Benchmark]: Toolchain (without parser) took 3739.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -233.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:41,780 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:41,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,781 INFO L168 Benchmark]: Boogie Preprocessor took 58.70 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,781 INFO L168 Benchmark]: RCFGBuilder took 521.80 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,782 INFO L168 Benchmark]: TraceAbstraction took 2601.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -129.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:41,782 INFO L168 Benchmark]: Witness Printer took 66.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 486.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.70 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: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 521.80 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2601.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -129.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 66.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 580]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L556] int num; [L557] int ind, newsize, i = 1; VAL [\old(i)=9, \old(ind)=7, \old(newsize)=11, \old(num)=8, i=1, ind=0, newsize=0, num=0] [L570] num = __VERIFIER_nondet_int() [L571] COND FALSE !(!(num > 0 && num < 100)) [L574] int *a = (int *)malloc(sizeof(int)); VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=0, num=1] [L575] COND FALSE !(a == ((void *)0)) [L578] newsize = 0 VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=0, num=1] [L579] CALL expandArray(a) VAL [\old(newsize)=0, \old(num)=0, arg={2:0}, i=1, ind=0, newsize=0, num=1] [L559] int *a = (int *)arg; VAL [\old(newsize)=0, \old(num)=0, a={2:0}, arg={2:0}, arg={2:0}, i=1, ind=0, newsize=0, num=1] [L560] COND TRUE newsize < num [L561] newsize = newsize + 1 [L562] int *b = ((void *)0); VAL [\old(newsize)=0, \old(num)=0, a={2:0}, arg={2:0}, arg={2:0}, b={0:0}, i=1, ind=0, newsize=1, num=1] [L563] EXPR, FCALL realloc(a, sizeof(int) * newsize) VAL [\old(newsize)=0, \old(num)=0, a={2:0}, arg={2:0}, arg={2:0}, b={0:0}, i=1, ind=0, newsize=1, num=1, realloc(a, sizeof(int) * newsize)={1:0}] [L563] b = realloc(a, sizeof(int) * newsize) [L564] b[newsize - 1] = i VAL [\old(newsize)=0, \old(num)=0, a={2:0}, arg={2:0}, arg={2:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L565] a = b VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={2:0}, arg={2:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L560] COND FALSE !(newsize < num) VAL [\old(newsize)=0, \old(num)=0, a={1:0}, arg={2:0}, arg={2:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L567] return 0; VAL [\old(newsize)=0, \old(num)=0, \result={0:0}, a={1:0}, arg={2:0}, arg={2:0}, b={1:0}, i=1, ind=0, newsize=1, num=1] [L579] RET expandArray(a) VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, expandArray(a)={0:0}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=1, num=1] [L580] free(a) VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=1, num=1] [L580] free(a) VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=1, num=1] [L580] free(a) VAL [\old(argc)=13, \old(newsize)=0, \old(num)=0, a={2:0}, argc=13, argv={10:6}, argv={10:6}, i=1, ind=0, malloc(sizeof(int))={2:0}, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 41 locations, 6 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 193 SDtfs, 129 SDslu, 367 SDs, 0 SdLazy, 588 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 8765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...