./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/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 f42aa215a16d5e0efb670a585ba0238849a32fc4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:10:31,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:10:31,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:10:31,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:10:31,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:10:31,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:10:31,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:10:31,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:10:31,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:10:31,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:10:31,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:10:31,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:10:31,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:10:31,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:10:31,278 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:10:31,279 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:10:31,279 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:10:31,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:10:31,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:10:31,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:10:31,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:10:31,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:10:31,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:10:31,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:10:31,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:10:31,287 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:10:31,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:10:31,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:10:31,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:10:31,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:10:31,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:10:31,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:10:31,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:10:31,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:10:31,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:10:31,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:10:31,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 12:10:31,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:10:31,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:10:31,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:10:31,299 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:10:31,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:10:31,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:10:31,300 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:10:31,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:10:31,300 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:10:31,300 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:10:31,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:10:31,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:10:31,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:31,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:10:31,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:10:31,303 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:10:31,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:10:31,303 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_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/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 -> f42aa215a16d5e0efb670a585ba0238849a32fc4 [2018-11-28 12:10:31,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:10:31,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:10:31,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:10:31,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:10:31,338 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:10:31,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:10:31,379 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/data/444ab81b5/46045a1bbdb142f4bb38358cd744465b/FLAG45f97b186 [2018-11-28 12:10:31,826 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:10:31,827 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:10:31,833 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/data/444ab81b5/46045a1bbdb142f4bb38358cd744465b/FLAG45f97b186 [2018-11-28 12:10:31,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/data/444ab81b5/46045a1bbdb142f4bb38358cd744465b [2018-11-28 12:10:31,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:10:31,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:10:31,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:31,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:10:31,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:10:31,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:31" (1/1) ... [2018-11-28 12:10:31,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39239a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:31, skipping insertion in model container [2018-11-28 12:10:31,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:31" (1/1) ... [2018-11-28 12:10:31,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:10:31,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:10:32,076 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:32,127 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:10:32,153 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:32,184 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:10:32,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32 WrapperNode [2018-11-28 12:10:32,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:32,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:10:32,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:10:32,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:10:32,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... [2018-11-28 12:10:32,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:10:32,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:10:32,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:10:32,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:10:32,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2018-11-28 12:10:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:10:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:10:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:10:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:10:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:10:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:10:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:10:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:10:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:10:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:10:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:10:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:10:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:10:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:10:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:10:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:10:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:10:32,540 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:10:32,541 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-28 12:10:32,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:32 BoogieIcfgContainer [2018-11-28 12:10:32,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:10:32,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:10:32,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:10:32,543 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:10:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:10:31" (1/3) ... [2018-11-28 12:10:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23406486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:10:32, skipping insertion in model container [2018-11-28 12:10:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:32" (2/3) ... [2018-11-28 12:10:32,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23406486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:10:32, skipping insertion in model container [2018-11-28 12:10:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:32" (3/3) ... [2018-11-28 12:10:32,546 INFO L112 eAbstractionObserver]: Analyzing ICFG array02-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:10:32,552 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:10:32,558 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-28 12:10:32,567 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-28 12:10:32,583 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:10:32,583 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:10:32,583 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:10:32,583 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:10:32,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:10:32,584 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:10:32,584 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:10:32,584 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:10:32,584 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:10:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-28 12:10:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 12:10:32,601 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:32,601 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:32,603 INFO L423 AbstractCegarLoop]: === Iteration 1 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:32,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:32,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1953296061, now seen corresponding path program 1 times [2018-11-28 12:10:32,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:32,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:32,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:32,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:32,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:10:32,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:10:32,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:10:32,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:10:32,750 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2018-11-28 12:10:32,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:32,837 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-11-28 12:10:32,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:10:32,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-28 12:10:32,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:32,845 INFO L225 Difference]: With dead ends: 38 [2018-11-28 12:10:32,845 INFO L226 Difference]: Without dead ends: 35 [2018-11-28 12:10:32,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:10:32,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-28 12:10:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-28 12:10:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-28 12:10:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-11-28 12:10:32,871 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 12 [2018-11-28 12:10:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:32,871 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-11-28 12:10:32,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:10:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-28 12:10:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 12:10:32,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:32,871 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:32,871 INFO L423 AbstractCegarLoop]: === Iteration 2 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:32,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:32,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1953296062, now seen corresponding path program 1 times [2018-11-28 12:10:32,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:32,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:32,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:32,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:32,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:32,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:32,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:10:32,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:10:32,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:10:32,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:10:32,972 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2018-11-28 12:10:33,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:33,106 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-11-28 12:10:33,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:10:33,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-28 12:10:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:33,109 INFO L225 Difference]: With dead ends: 51 [2018-11-28 12:10:33,109 INFO L226 Difference]: Without dead ends: 51 [2018-11-28 12:10:33,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:10:33,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-28 12:10:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2018-11-28 12:10:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 12:10:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-11-28 12:10:33,115 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 12 [2018-11-28 12:10:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:33,115 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-11-28 12:10:33,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:10:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-11-28 12:10:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 12:10:33,116 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:33,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:33,116 INFO L423 AbstractCegarLoop]: === Iteration 3 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:33,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:33,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1869398232, now seen corresponding path program 1 times [2018-11-28 12:10:33,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:33,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:33,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:33,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:33,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:10:33,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:10:33,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:10:33,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:10:33,164 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 5 states. [2018-11-28 12:10:33,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:33,235 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-11-28 12:10:33,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:10:33,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-28 12:10:33,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:33,236 INFO L225 Difference]: With dead ends: 51 [2018-11-28 12:10:33,236 INFO L226 Difference]: Without dead ends: 49 [2018-11-28 12:10:33,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:10:33,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-28 12:10:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2018-11-28 12:10:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 12:10:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2018-11-28 12:10:33,241 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 15 [2018-11-28 12:10:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:33,241 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2018-11-28 12:10:33,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:10:33,241 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2018-11-28 12:10:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 12:10:33,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:33,242 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:33,242 INFO L423 AbstractCegarLoop]: === Iteration 4 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:33,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:33,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1744128798, now seen corresponding path program 1 times [2018-11-28 12:10:33,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:33,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:33,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:33,313 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:33,313 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:33,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:33,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:10:33,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2018-11-28 12:10:33,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:10:33,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:10:33,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:10:33,403 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 11 states. [2018-11-28 12:10:33,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:33,508 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-11-28 12:10:33,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:10:33,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-11-28 12:10:33,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:33,509 INFO L225 Difference]: With dead ends: 71 [2018-11-28 12:10:33,509 INFO L226 Difference]: Without dead ends: 71 [2018-11-28 12:10:33,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:10:33,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-28 12:10:33,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2018-11-28 12:10:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:10:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-11-28 12:10:33,514 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 18 [2018-11-28 12:10:33,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:33,514 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-11-28 12:10:33,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:10:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-11-28 12:10:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 12:10:33,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:33,515 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:33,515 INFO L423 AbstractCegarLoop]: === Iteration 5 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:33,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:33,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1485963360, now seen corresponding path program 1 times [2018-11-28 12:10:33,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:33,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:33,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:33,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:33,598 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:33,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:33,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-28 12:10:33,638 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:10:33,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:10:33,642 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-11-28 12:10:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:33,748 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:10:33,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-28 12:10:33,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:10:33,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:10:33,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:10:33,749 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 12 states. [2018-11-28 12:10:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:33,876 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2018-11-28 12:10:33,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:10:33,877 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2018-11-28 12:10:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:33,878 INFO L225 Difference]: With dead ends: 63 [2018-11-28 12:10:33,878 INFO L226 Difference]: Without dead ends: 63 [2018-11-28 12:10:33,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:10:33,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-28 12:10:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2018-11-28 12:10:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 12:10:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-11-28 12:10:33,884 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 18 [2018-11-28 12:10:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:33,884 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-11-28 12:10:33,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:10:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-11-28 12:10:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 12:10:33,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:33,885 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] [2018-11-28 12:10:33,885 INFO L423 AbstractCegarLoop]: === Iteration 6 === [test_funErr4REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr10REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:10:33,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:33,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1172838020, now seen corresponding path program 1 times [2018-11-28 12:10:33,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:33,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:33,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:33,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:10:33,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:33,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:10:33,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:10:33,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:10:33,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:10:33,951 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 4 states. [2018-11-28 12:10:33,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:33,994 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-11-28 12:10:33,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:10:33,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-28 12:10:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:33,994 INFO L225 Difference]: With dead ends: 49 [2018-11-28 12:10:33,995 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:10:33,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:10:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:10:33,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:10:33,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:10:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:10:33,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-28 12:10:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:33,996 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:10:33,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:10:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:10:33,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:10:33,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:10:33 BoogieIcfgContainer [2018-11-28 12:10:33,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:10:33,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:10:33,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:10:34,000 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:10:34,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:32" (3/4) ... [2018-11-28 12:10:34,002 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:10:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:10:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 12:10:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2018-11-28 12:10:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 12:10:34,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:10:34,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-28 12:10:34,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 12:10:34,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:10:34,053 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f0c292f-ef22-4628-91bf-e9ccc0ac6ac1/bin-2019/uautomizer/witness.graphml [2018-11-28 12:10:34,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:10:34,054 INFO L168 Benchmark]: Toolchain (without parser) took 2204.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 222.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,056 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:10:34,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,056 INFO L168 Benchmark]: Boogie Preprocessor took 31.59 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,057 INFO L168 Benchmark]: RCFGBuilder took 324.40 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,057 INFO L168 Benchmark]: TraceAbstraction took 1457.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 860.1 MB in the end (delta: 199.2 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,057 INFO L168 Benchmark]: Witness Printer took 53.77 ms. Allocated memory is still 1.1 GB. Free memory was 860.1 MB in the beginning and 1.1 GB in the end (delta: -250.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:34,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.59 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.40 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1457.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 860.1 MB in the end (delta: 199.2 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. * Witness Printer took 53.77 ms. Allocated memory is still 1.1 GB. Free memory was 860.1 MB in the beginning and 1.1 GB in the end (delta: -250.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 551]: 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: 551]: 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: 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: 547]: 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: 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: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 50 locations, 13 error locations. SAFE Result, 1.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 152 SDtfs, 372 SDslu, 417 SDs, 0 SdLazy, 398 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, 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, 6 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 124 ConstructedInterpolants, 9 QuantifiedInterpolants, 10955 SizeOfPredicates, 9 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 6/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...