./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/test-0158-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/test-0158-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a1ce2798c44b98d34c3d71501d399b3f4d974768 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:34:52,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:34:52,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:34:52,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:34:52,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:34:52,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:34:52,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:34:52,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:34:52,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:34:52,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:34:52,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:34:52,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:34:52,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:34:52,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:34:52,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:34:52,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:34:52,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:34:52,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:34:52,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:34:52,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:34:52,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:34:52,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:34:52,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:34:52,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:34:52,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:34:52,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:34:52,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:34:52,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:34:52,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:34:52,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:34:52,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:34:52,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:34:52,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:34:52,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:34:52,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:34:52,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:34:52,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:34:52,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:34:52,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:34:52,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:34:52,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:34:52,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:34:52,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:34:52,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:34:52,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:34:52,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:34:52,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:34:52,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:34:52,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:34:52,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:34:52,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:34:52,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:34:52,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:34:52,195 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:34:52,196 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:34:52,196 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:34:52,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:34:52,197 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:34:52,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:34:52,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:34:52,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:34:52,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:34:52,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:34:52,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:34:52,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:34:52,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:34:52,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:34:52,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:34:52,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:34:52,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a1ce2798c44b98d34c3d71501d399b3f4d974768 [2019-11-28 02:34:52,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:34:52,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:34:52,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:34:52,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:34:52,538 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:34:52,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-1.i [2019-11-28 02:34:52,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9584a47d/71afee7689ca448997db509b54362965/FLAG3bcf7ac49 [2019-11-28 02:34:53,129 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:34:53,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-1.i [2019-11-28 02:34:53,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9584a47d/71afee7689ca448997db509b54362965/FLAG3bcf7ac49 [2019-11-28 02:34:53,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9584a47d/71afee7689ca448997db509b54362965 [2019-11-28 02:34:53,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:34:53,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:34:53,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:34:53,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:34:53,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:34:53,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:53" (1/1) ... [2019-11-28 02:34:53,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493f54d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:53, skipping insertion in model container [2019-11-28 02:34:53,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:53" (1/1) ... [2019-11-28 02:34:53,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:34:53,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:34:54,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:34:54,027 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:34:54,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:34:54,141 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:34:54,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54 WrapperNode [2019-11-28 02:34:54,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:34:54,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:34:54,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:34:54,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:34:54,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2019-11-28 02:34:54,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:34:54,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:34:54,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:34:54,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:34:54,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:34:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:34:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:34:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:34:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:34:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:34:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:34:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:34:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:34:54,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:34:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:34:54,260 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:34:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:34:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:34:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:34:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:34:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:34:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:34:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:34:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:34:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:34:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:34:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:34:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:34:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:34:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:34:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:34:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:34:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:34:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:34:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:34:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:34:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:34:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:34:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:34:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:34:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:34:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:34:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:34:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:34:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:34:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:34:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:34:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:34:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:34:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:34:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:34:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:34:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:34:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:34:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:34:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:34:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:34:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:34:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:34:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:34:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:34:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:34:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:34:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:34:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:34:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:34:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:34:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:34:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:34:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:34:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:34:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:34:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:34:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:34:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:34:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:34:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:34:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:34:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:34:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:34:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:34:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:34:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:34:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:34:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:34:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:34:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:34:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:34:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:34:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:34:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:34:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:34:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:34:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:34:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:34:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:34:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:34:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:34:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:34:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:34:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:34:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:34:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:34:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:34:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:34:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:34:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:34:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:34:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:34:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:34:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:34:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:34:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:34:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:34:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:34:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:34:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:34:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:34:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:34:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:34:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:34:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:34:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:34:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:34:54,754 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:34:54,755 INFO L297 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 02:34:54,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:54 BoogieIcfgContainer [2019-11-28 02:34:54,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:34:54,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:34:54,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:34:54,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:34:54,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:34:53" (1/3) ... [2019-11-28 02:34:54,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe60b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:54, skipping insertion in model container [2019-11-28 02:34:54,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (2/3) ... [2019-11-28 02:34:54,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe60b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:54, skipping insertion in model container [2019-11-28 02:34:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:54" (3/3) ... [2019-11-28 02:34:54,765 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-1.i [2019-11-28 02:34:54,776 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:34:54,783 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-11-28 02:34:54,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-11-28 02:34:54,816 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:34:54,817 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:34:54,817 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:34:54,817 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:34:54,818 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:34:54,818 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:34:54,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:34:54,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:34:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-28 02:34:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:34:54,844 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:54,846 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:54,846 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:54,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:54,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947076, now seen corresponding path program 1 times [2019-11-28 02:34:54,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:54,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586796912] [2019-11-28 02:34:54,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:55,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586796912] [2019-11-28 02:34:55,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:55,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:34:55,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000023318] [2019-11-28 02:34:55,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:34:55,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:55,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:34:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:34:55,084 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 4 states. [2019-11-28 02:34:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:55,171 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-28 02:34:55,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:34:55,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:34:55,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:55,183 INFO L225 Difference]: With dead ends: 23 [2019-11-28 02:34:55,183 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 02:34:55,185 INFO L630 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 [2019-11-28 02:34:55,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 02:34:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-28 02:34:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 02:34:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-11-28 02:34:55,223 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 7 [2019-11-28 02:34:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:55,224 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-11-28 02:34:55,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:34:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-11-28 02:34:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:34:55,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:55,225 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:55,226 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:55,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1144947077, now seen corresponding path program 1 times [2019-11-28 02:34:55,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:55,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008585302] [2019-11-28 02:34:55,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:55,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008585302] [2019-11-28 02:34:55,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:55,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:34:55,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110764724] [2019-11-28 02:34:55,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:34:55,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:55,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:34:55,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:34:55,356 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 4 states. [2019-11-28 02:34:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:55,405 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-11-28 02:34:55,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:34:55,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:34:55,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:55,407 INFO L225 Difference]: With dead ends: 17 [2019-11-28 02:34:55,407 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 02:34:55,408 INFO L630 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 [2019-11-28 02:34:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 02:34:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 02:34:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 02:34:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2019-11-28 02:34:55,414 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 7 [2019-11-28 02:34:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:55,414 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2019-11-28 02:34:55,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:34:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2019-11-28 02:34:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 02:34:55,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:55,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:55,416 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:55,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1511941492, now seen corresponding path program 1 times [2019-11-28 02:34:55,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:55,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63092612] [2019-11-28 02:34:55,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:55,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63092612] [2019-11-28 02:34:55,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:55,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:34:55,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662201252] [2019-11-28 02:34:55,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:34:55,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:55,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:34:55,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:34:55,568 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 6 states. [2019-11-28 02:34:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:55,662 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-28 02:34:55,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:34:55,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-28 02:34:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:55,664 INFO L225 Difference]: With dead ends: 16 [2019-11-28 02:34:55,664 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 02:34:55,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:34:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 02:34:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 02:34:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 02:34:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-28 02:34:55,670 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 10 [2019-11-28 02:34:55,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:55,670 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-28 02:34:55,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:34:55,672 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-28 02:34:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 02:34:55,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:55,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:55,675 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:55,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:55,676 INFO L82 PathProgramCache]: Analyzing trace with hash 374454055, now seen corresponding path program 1 times [2019-11-28 02:34:55,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:55,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13269522] [2019-11-28 02:34:55,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:55,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13269522] [2019-11-28 02:34:55,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:55,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:34:55,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670041454] [2019-11-28 02:34:55,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:34:55,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:55,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:34:55,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:34:55,823 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 6 states. [2019-11-28 02:34:55,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:55,903 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-28 02:34:55,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:34:55,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-28 02:34:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:55,905 INFO L225 Difference]: With dead ends: 15 [2019-11-28 02:34:55,905 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 02:34:55,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:34:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 02:34:55,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 02:34:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 02:34:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-28 02:34:55,912 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 11 [2019-11-28 02:34:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:55,913 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-28 02:34:55,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:34:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-28 02:34:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 02:34:55,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:55,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:55,914 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:55,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1276826130, now seen corresponding path program 1 times [2019-11-28 02:34:55,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:55,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119019762] [2019-11-28 02:34:55,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:56,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119019762] [2019-11-28 02:34:56,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:56,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:34:56,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88942054] [2019-11-28 02:34:56,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:34:56,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:56,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:34:56,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:34:56,037 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 6 states. [2019-11-28 02:34:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:56,114 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-11-28 02:34:56,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:34:56,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-28 02:34:56,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:56,116 INFO L225 Difference]: With dead ends: 14 [2019-11-28 02:34:56,116 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 02:34:56,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:34:56,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 02:34:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 02:34:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 02:34:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-11-28 02:34:56,125 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2019-11-28 02:34:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:56,125 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-11-28 02:34:56,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:34:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-11-28 02:34:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:34:56,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:34:56,127 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:34:56,127 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr9ENSURES_VIOLATIONMEMORY_LEAK, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_FREE]=== [2019-11-28 02:34:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:34:56,128 INFO L82 PathProgramCache]: Analyzing trace with hash -926904310, now seen corresponding path program 1 times [2019-11-28 02:34:56,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:34:56,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561917032] [2019-11-28 02:34:56,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:34:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:34:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:34:56,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561917032] [2019-11-28 02:34:56,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:34:56,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:34:56,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23960664] [2019-11-28 02:34:56,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:34:56,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:34:56,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:34:56,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:34:56,332 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2019-11-28 02:34:56,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:34:56,429 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-28 02:34:56,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:34:56,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-28 02:34:56,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:34:56,430 INFO L225 Difference]: With dead ends: 13 [2019-11-28 02:34:56,430 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 02:34:56,431 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:34:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 02:34:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 02:34:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 02:34:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 02:34:56,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-28 02:34:56,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:34:56,433 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:34:56,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:34:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:34:56,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:34:56,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:34:56 BoogieIcfgContainer [2019-11-28 02:34:56,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:34:56,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:34:56,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:34:56,443 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:34:56,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:54" (3/4) ... [2019-11-28 02:34:56,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:34:56,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 02:34:56,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-28 02:34:56,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-28 02:34:56,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-28 02:34:56,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-28 02:34:56,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 02:34:56,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-28 02:34:56,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-28 02:34:56,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 02:34:56,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 02:34:56,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 02:34:56,578 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:34:56,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:34:56,582 INFO L168 Benchmark]: Toolchain (without parser) took 3085.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 957.7 MB in the beginning and 930.8 MB in the end (delta: 26.9 MB). Peak memory consumption was 150.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:34:56,583 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:34:56,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:34:56,595 INFO L168 Benchmark]: Boogie Preprocessor took 55.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:34:56,596 INFO L168 Benchmark]: RCFGBuilder took 557.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:34:56,598 INFO L168 Benchmark]: TraceAbstraction took 1683.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:34:56,599 INFO L168 Benchmark]: Witness Printer took 136.46 ms. Allocated memory is still 1.2 GB. Free memory is still 930.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:34:56,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 557.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1683.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 123.2 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. * Witness Printer took 136.46 ms. Allocated memory is still 1.2 GB. Free memory is still 930.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 512]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 524]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 41 locations, 10 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 61 SDslu, 72 SDs, 0 SdLazy, 170 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...