./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:34:37,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:34:37,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:34:37,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:34:37,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:34:37,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:34:37,324 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:34:37,325 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:34:37,326 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:34:37,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:34:37,327 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:34:37,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:34:37,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:34:37,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:34:37,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:34:37,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:34:37,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:34:37,330 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:34:37,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:34:37,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:34:37,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:34:37,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:34:37,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:34:37,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:34:37,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:34:37,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:34:37,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:34:37,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:34:37,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:34:37,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:34:37,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:34:37,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:34:37,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:34:37,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:34:37,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:34:37,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:34:37,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-09 12:34:37,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:34:37,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:34:37,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:34:37,347 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:34:37,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:34:37,347 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:34:37,347 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 12:34:37,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 12:34:37,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:34:37,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:34:37,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:34:37,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:34:37,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:34:37,350 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 12:34:37,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:34:37,350 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_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e [2018-12-09 12:34:37,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:34:37,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:34:37,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:34:37,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:34:37,382 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:34:37,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-12-09 12:34:37,420 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/data/a725a9274/170c20ad4668478a90077158f39ce5d5/FLAGcdcf6ef9a [2018-12-09 12:34:37,809 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:34:37,809 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-12-09 12:34:37,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/data/a725a9274/170c20ad4668478a90077158f39ce5d5/FLAGcdcf6ef9a [2018-12-09 12:34:37,825 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/data/a725a9274/170c20ad4668478a90077158f39ce5d5 [2018-12-09 12:34:37,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:34:37,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 12:34:37,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:37,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:34:37,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:34:37,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:37" (1/1) ... [2018-12-09 12:34:37,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8ed641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:37, skipping insertion in model container [2018-12-09 12:34:37,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:37" (1/1) ... [2018-12-09 12:34:37,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:34:37,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:34:37,996 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:38,003 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:34:38,058 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:38,078 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:34:38,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38 WrapperNode [2018-12-09 12:34:38,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:38,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:34:38,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:34:38,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:34:38,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... [2018-12-09 12:34:38,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:34:38,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:34:38,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:34:38,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:34:38,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/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 [2018-12-09 12:34:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:34:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:34:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-09 12:34:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-09 12:34:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2018-12-09 12:34:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-09 12:34:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-09 12:34:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-09 12:34:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-09 12:34:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-09 12:34:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-09 12:34:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-09 12:34:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:34:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:34:38,361 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:34:38,361 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:34:38,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:38 BoogieIcfgContainer [2018-12-09 12:34:38,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:34:38,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:34:38,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:34:38,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:34:38,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:34:37" (1/3) ... [2018-12-09 12:34:38,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41924870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:38, skipping insertion in model container [2018-12-09 12:34:38,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:38" (2/3) ... [2018-12-09 12:34:38,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41924870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:38, skipping insertion in model container [2018-12-09 12:34:38,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:38" (3/3) ... [2018-12-09 12:34:38,366 INFO L112 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-12-09 12:34:38,372 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:34:38,376 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-12-09 12:34:38,386 INFO L257 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2018-12-09 12:34:38,400 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:34:38,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:34:38,401 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 12:34:38,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:34:38,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:34:38,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:34:38,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:34:38,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:34:38,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:34:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-12-09 12:34:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:34:38,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,417 INFO L423 AbstractCegarLoop]: === Iteration 1 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,420 INFO L82 PathProgramCache]: Analyzing trace with hash 889529511, now seen corresponding path program 1 times [2018-12-09 12:34:38,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,539 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2018-12-09 12:34:38,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,586 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2018-12-09 12:34:38,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-09 12:34:38,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,595 INFO L225 Difference]: With dead ends: 62 [2018-12-09 12:34:38,595 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 12:34:38,596 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 [2018-12-09 12:34:38,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 12:34:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-09 12:34:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-09 12:34:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-12-09 12:34:38,622 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 9 [2018-12-09 12:34:38,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,622 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-12-09 12:34:38,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-12-09 12:34:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:34:38,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,623 INFO L423 AbstractCegarLoop]: === Iteration 2 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,623 INFO L82 PathProgramCache]: Analyzing trace with hash 889529512, now seen corresponding path program 1 times [2018-12-09 12:34:38,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,655 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 3 states. [2018-12-09 12:34:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,684 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-12-09 12:34:38,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-09 12:34:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,685 INFO L225 Difference]: With dead ends: 54 [2018-12-09 12:34:38,685 INFO L226 Difference]: Without dead ends: 54 [2018-12-09 12:34:38,685 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 [2018-12-09 12:34:38,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-09 12:34:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-09 12:34:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-09 12:34:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2018-12-09 12:34:38,688 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 9 [2018-12-09 12:34:38,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,689 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2018-12-09 12:34:38,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-12-09 12:34:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:34:38,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,689 INFO L423 AbstractCegarLoop]: === Iteration 3 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1805611050, now seen corresponding path program 1 times [2018-12-09 12:34:38,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,710 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 3 states. [2018-12-09 12:34:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,735 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-12-09 12:34:38,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-09 12:34:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,736 INFO L225 Difference]: With dead ends: 52 [2018-12-09 12:34:38,736 INFO L226 Difference]: Without dead ends: 52 [2018-12-09 12:34:38,736 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 [2018-12-09 12:34:38,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-09 12:34:38,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-09 12:34:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-09 12:34:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-12-09 12:34:38,739 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 10 [2018-12-09 12:34:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,739 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-12-09 12:34:38,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-12-09 12:34:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:34:38,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,739 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,740 INFO L423 AbstractCegarLoop]: === Iteration 4 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1805611051, now seen corresponding path program 1 times [2018-12-09 12:34:38,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,764 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 3 states. [2018-12-09 12:34:38,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,787 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-12-09 12:34:38,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-09 12:34:38,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,788 INFO L225 Difference]: With dead ends: 50 [2018-12-09 12:34:38,788 INFO L226 Difference]: Without dead ends: 50 [2018-12-09 12:34:38,788 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 [2018-12-09 12:34:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-09 12:34:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-09 12:34:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-09 12:34:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-12-09 12:34:38,792 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 10 [2018-12-09 12:34:38,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,792 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-12-09 12:34:38,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-12-09 12:34:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:34:38,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,792 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,793 INFO L423 AbstractCegarLoop]: === Iteration 5 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,793 INFO L82 PathProgramCache]: Analyzing trace with hash 139367690, now seen corresponding path program 1 times [2018-12-09 12:34:38,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,818 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 3 states. [2018-12-09 12:34:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,845 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-12-09 12:34:38,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 12:34:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,846 INFO L225 Difference]: With dead ends: 46 [2018-12-09 12:34:38,846 INFO L226 Difference]: Without dead ends: 46 [2018-12-09 12:34:38,846 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 [2018-12-09 12:34:38,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-09 12:34:38,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-09 12:34:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-09 12:34:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-12-09 12:34:38,850 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 11 [2018-12-09 12:34:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,850 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-12-09 12:34:38,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-12-09 12:34:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:34:38,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,851 INFO L423 AbstractCegarLoop]: === Iteration 6 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,852 INFO L82 PathProgramCache]: Analyzing trace with hash 139367691, now seen corresponding path program 1 times [2018-12-09 12:34:38,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,880 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 3 states. [2018-12-09 12:34:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,901 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2018-12-09 12:34:38,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 12:34:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,902 INFO L225 Difference]: With dead ends: 42 [2018-12-09 12:34:38,902 INFO L226 Difference]: Without dead ends: 42 [2018-12-09 12:34:38,903 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 [2018-12-09 12:34:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-09 12:34:38,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-09 12:34:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-09 12:34:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-12-09 12:34:38,905 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 11 [2018-12-09 12:34:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,905 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-12-09 12:34:38,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-12-09 12:34:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:34:38,906 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,906 INFO L423 AbstractCegarLoop]: === Iteration 7 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,906 INFO L82 PathProgramCache]: Analyzing trace with hash 25431085, now seen corresponding path program 1 times [2018-12-09 12:34:38,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,926 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-12-09 12:34:38,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,956 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-12-09 12:34:38,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 12:34:38,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,957 INFO L225 Difference]: With dead ends: 38 [2018-12-09 12:34:38,957 INFO L226 Difference]: Without dead ends: 38 [2018-12-09 12:34:38,957 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 [2018-12-09 12:34:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-09 12:34:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-09 12:34:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-09 12:34:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-12-09 12:34:38,959 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 12 [2018-12-09 12:34:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:38,959 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-12-09 12:34:38,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-12-09 12:34:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:34:38,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:38,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:38,960 INFO L423 AbstractCegarLoop]: === Iteration 8 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:38,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash 25431086, now seen corresponding path program 1 times [2018-12-09 12:34:38,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:38,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:38,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:38,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:38,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:38,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:38,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:38,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:38,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:38,978 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 3 states. [2018-12-09 12:34:38,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:38,997 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-12-09 12:34:38,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:38,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 12:34:38,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:38,998 INFO L225 Difference]: With dead ends: 34 [2018-12-09 12:34:38,998 INFO L226 Difference]: Without dead ends: 34 [2018-12-09 12:34:38,998 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 [2018-12-09 12:34:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-09 12:34:38,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-09 12:34:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-09 12:34:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-12-09 12:34:39,000 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2018-12-09 12:34:39,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:39,000 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-12-09 12:34:39,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-12-09 12:34:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 12:34:39,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:39,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:39,001 INFO L423 AbstractCegarLoop]: === Iteration 9 === [test_funErr4REQUIRES_VIOLATION, test_funErr25REQUIRES_VIOLATION, test_funErr27REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr26REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr28REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr29REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr12REQUIRES_VIOLATION, test_funErr13REQUIRES_VIOLATION, test_funErr15REQUIRES_VIOLATION, test_funErr14REQUIRES_VIOLATION, test_funErr16REQUIRES_VIOLATION, test_funErr17REQUIRES_VIOLATION, test_funErr19REQUIRES_VIOLATION, test_funErr18REQUIRES_VIOLATION, test_funErr20REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr21REQUIRES_VIOLATION, test_funErr23REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr22REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr24REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-09 12:34:39,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:39,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1586130209, now seen corresponding path program 1 times [2018-12-09 12:34:39,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 12:34:39,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 12:34:39,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:39,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:39,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:39,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:39,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:34:39,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:34:39,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:34:39,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:34:39,158 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 5 states. [2018-12-09 12:34:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:39,206 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-12-09 12:34:39,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:34:39,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-09 12:34:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:39,206 INFO L225 Difference]: With dead ends: 33 [2018-12-09 12:34:39,206 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:34:39,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:34:39,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:34:39,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:34:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:34:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:34:39,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-12-09 12:34:39,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:39,207 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:34:39,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:34:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:34:39,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:34:39,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:34:39 BoogieIcfgContainer [2018-12-09 12:34:39,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:34:39,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:34:39,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:34:39,211 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:34:39,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:38" (3/4) ... [2018-12-09 12:34:39,213 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:34:39,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:34:39,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-12-09 12:34:39,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2018-12-09 12:34:39,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-12-09 12:34:39,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:34:39,222 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-09 12:34:39,222 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 12:34:39,222 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:34:39,257 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7350aeac-0b29-4f9f-8b49-3d34057f13d5/bin-2019/uautomizer/witness.graphml [2018-12-09 12:34:39,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:34:39,258 INFO L168 Benchmark]: Toolchain (without parser) took 1431.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 880.3 MB in the end (delta: 70.3 MB). Peak memory consumption was 173.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:39,259 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:34:39,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:39,260 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.1 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. [2018-12-09 12:34:39,260 INFO L168 Benchmark]: RCFGBuilder took 255.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:39,260 INFO L168 Benchmark]: TraceAbstraction took 848.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 885.7 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:39,260 INFO L168 Benchmark]: Witness Printer took 46.92 ms. Allocated memory is still 1.1 GB. Free memory was 885.7 MB in the beginning and 880.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:39,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 251.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.1 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 255.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 848.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 885.7 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. * Witness Printer took 46.92 ms. Allocated memory is still 1.1 GB. Free memory was 885.7 MB in the beginning and 880.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 73 locations, 31 error locations. SAFE Result, 0.8s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 218 SDtfs, 297 SDslu, 93 SDs, 0 SdLazy, 248 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred 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: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 21752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...