./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c 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/list-ext-properties/test-0158_1-2.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 3187b9137fe836a772e635b057217bb3e86134c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/list-ext-properties/test-0158_1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 3187b9137fe836a772e635b057217bb3e86134c2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:09:43,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:09:43,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:09:43,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:09:43,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:09:43,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:09:43,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:09:43,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:09:43,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:09:43,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:09:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:09:43,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:09:43,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:09:43,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:09:43,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:09:43,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:09:43,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:09:43,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:09:43,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:09:43,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:09:43,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:09:43,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:09:43,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:09:43,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:09:43,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:09:43,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:09:43,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:09:43,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:09:43,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:09:43,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:09:43,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:09:43,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:09:44,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:09:44,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:09:44,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:09:44,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:09:44,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:09:44,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:09:44,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:09:44,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:09:44,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:09:44,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:09:44,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:09:44,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:09:44,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:09:44,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:09:44,047 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:09:44,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:09:44,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:09:44,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:09:44,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:09:44,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:09:44,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:09:44,049 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:09:44,049 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:09:44,049 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:09:44,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:09:44,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:09:44,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:09:44,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:09:44,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:09:44,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:09:44,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:09:44,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:09:44,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:09:44,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:09:44,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:09:44,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:09:44,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:09:44,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:09:44,053 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 -> 3187b9137fe836a772e635b057217bb3e86134c2 [2019-11-28 20:09:44,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:09:44,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:09:44,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:09:44,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:09:44,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:09:44,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 20:09:44,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b6a35668/2ef2b6e4df694cef8b9c780ccb04400d/FLAG526c7637e [2019-11-28 20:09:45,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:09:45,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 20:09:45,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b6a35668/2ef2b6e4df694cef8b9c780ccb04400d/FLAG526c7637e [2019-11-28 20:09:45,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b6a35668/2ef2b6e4df694cef8b9c780ccb04400d [2019-11-28 20:09:45,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:09:45,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:09:45,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:09:45,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:09:45,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:09:45,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:45,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4d7e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45, skipping insertion in model container [2019-11-28 20:09:45,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:45,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:09:45,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:09:45,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:09:45,827 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:09:45,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:09:45,951 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:09:45,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45 WrapperNode [2019-11-28 20:09:45,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:09:45,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:09:45,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:09:45,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:09:45,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:45,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:45,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:45,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:46,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:46,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:46,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (1/1) ... [2019-11-28 20:09:46,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:09:46,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:09:46,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:09:46,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:09:46,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (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 20:09:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:09:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:09:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:09:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:09:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:09:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:09:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:09:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:09:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:09:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:09:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:09:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:09:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:09:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:09:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:09:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:09:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:09:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:09:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:09:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:09:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:09:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:09:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:09:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:09:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:09:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:09:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:09:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:09:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:09:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:09:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:09:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:09:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:09:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:09:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:09:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:09:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:09:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:09:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:09:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:09:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:09:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:09:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:09:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:09:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:09:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:09:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:09:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:09:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:09:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:09:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:09:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:09:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:09:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:09:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:09:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:09:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:09:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:09:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:09:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:09:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:09:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:09:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:09:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:09:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:09:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:09:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:09:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:09:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:09:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:09:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:09:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:09:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:09:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:09:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:09:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:09:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:09:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:09:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:09:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:09:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:09:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:09:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:09:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:09:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:09:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:09:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:09:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:09:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:09:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:09:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:09:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:09:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:09:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:09:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:09:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:09:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:09:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:09:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:09:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:09:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:09:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:09:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:09:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:09:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:09:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:09:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:09:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:09:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:09:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:09:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:09:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:09:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:09:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:09:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:09:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:09:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:09:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:09:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:09:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:09:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:09:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:09:46,664 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:09:46,664 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 20:09:46,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:46 BoogieIcfgContainer [2019-11-28 20:09:46,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:09:46,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:09:46,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:09:46,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:09:46,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:09:45" (1/3) ... [2019-11-28 20:09:46,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345a0860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:09:46, skipping insertion in model container [2019-11-28 20:09:46,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:45" (2/3) ... [2019-11-28 20:09:46,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345a0860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:09:46, skipping insertion in model container [2019-11-28 20:09:46,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:46" (3/3) ... [2019-11-28 20:09:46,674 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158_1-2.i [2019-11-28 20:09:46,681 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:09:46,687 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-28 20:09:46,699 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-28 20:09:46,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:09:46,718 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:09:46,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:09:46,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:09:46,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:09:46,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:09:46,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:09:46,720 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:09:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-11-28 20:09:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:09:46,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:46,745 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:46,746 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:46,753 INFO L82 PathProgramCache]: Analyzing trace with hash 685527250, now seen corresponding path program 1 times [2019-11-28 20:09:46,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:09:46,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321313426] [2019-11-28 20:09:46,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:09:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:47,050 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 20:09:47,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321313426] [2019-11-28 20:09:47,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:09:47,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:09:47,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361701640] [2019-11-28 20:09:47,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:09:47,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:09:47,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:09:47,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:09:47,106 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2019-11-28 20:09:47,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:09:47,274 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-11-28 20:09:47,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:09:47,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:09:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:09:47,288 INFO L225 Difference]: With dead ends: 25 [2019-11-28 20:09:47,288 INFO L226 Difference]: Without dead ends: 22 [2019-11-28 20:09:47,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:09:47,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-28 20:09:47,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-28 20:09:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 20:09:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-11-28 20:09:47,331 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2019-11-28 20:09:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:09:47,331 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-28 20:09:47,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:09:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-11-28 20:09:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:09:47,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:47,333 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:47,334 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:47,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:47,334 INFO L82 PathProgramCache]: Analyzing trace with hash 685527251, now seen corresponding path program 1 times [2019-11-28 20:09:47,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:09:47,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851765852] [2019-11-28 20:09:47,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:09:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:47,445 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 20:09:47,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851765852] [2019-11-28 20:09:47,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:09:47,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:09:47,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354183460] [2019-11-28 20:09:47,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:09:47,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:09:47,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:09:47,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:09:47,450 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 4 states. [2019-11-28 20:09:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:09:47,515 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-11-28 20:09:47,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:09:47,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:09:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:09:47,518 INFO L225 Difference]: With dead ends: 17 [2019-11-28 20:09:47,518 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 20:09:47,519 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 20:09:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 20:09:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 20:09:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 20:09:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-28 20:09:47,524 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2019-11-28 20:09:47,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:09:47,524 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-28 20:09:47,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:09:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-28 20:09:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 20:09:47,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:47,526 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:47,527 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:47,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:47,527 INFO L82 PathProgramCache]: Analyzing trace with hash 849270888, now seen corresponding path program 1 times [2019-11-28 20:09:47,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:09:47,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359516412] [2019-11-28 20:09:47,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:09:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:09:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:09:47,640 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:09:47,641 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:09:47,656 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 20:09:47,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:09:47 BoogieIcfgContainer [2019-11-28 20:09:47,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:09:47,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:09:47,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:09:47,670 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:09:47,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:46" (3/4) ... [2019-11-28 20:09:47,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:09:47,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:09:47,678 INFO L168 Benchmark]: Toolchain (without parser) took 2345.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -58.0 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:47,678 INFO L168 Benchmark]: CDTParser took 0.31 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 20:09:47,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:47,681 INFO L168 Benchmark]: Boogie Preprocessor took 58.57 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:47,682 INFO L168 Benchmark]: RCFGBuilder took 653.83 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:47,683 INFO L168 Benchmark]: TraceAbstraction took 1001.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:47,683 INFO L168 Benchmark]: Witness Printer took 5.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:09:47,687 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 619.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.57 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 653.83 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1001.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 513]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 513. Possible FailurePath: [L515-L522] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L523] data.p0 = malloc(37U) VAL [data={2:0}, malloc(37U)={-1:0}] [L524] COND FALSE !(__VERIFIER_nondet_int()) [L527] data.str.p2 = 30 VAL [data={2:0}, malloc(37U)={-1:0}] [L529] EXPR data.str.p2 VAL [data={2:0}, data.str.p2=30, malloc(37U)={-1:0}] [L529] COND FALSE !(25 > data.str.p2) [L532] return 0; [L532] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 45 locations, 11 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 25 SDslu, 15 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 20:09:49,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:09:49,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:09:49,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:09:49,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:09:49,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:09:49,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:09:49,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:09:49,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:09:49,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:09:49,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:09:49,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:09:49,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:09:49,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:09:49,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:09:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:09:49,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:09:49,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:09:49,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:09:49,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:09:49,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:09:49,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:09:49,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:09:49,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:09:49,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:09:49,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:09:49,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:09:49,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:09:49,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:09:49,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:09:49,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:09:49,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:09:49,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:09:49,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:09:49,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:09:49,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:09:49,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:09:49,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:09:49,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:09:49,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:09:49,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:09:49,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:09:49,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:09:49,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:09:49,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:09:49,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:09:49,794 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:09:49,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:09:49,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:09:49,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:09:49,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:09:49,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:09:49,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:09:49,796 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:09:49,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:09:49,797 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:09:49,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:09:49,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:09:49,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:09:49,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:09:49,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:09:49,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:09:49,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:09:49,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:09:49,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:09:49,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:09:49,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:09:49,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:09:49,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:09:49,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:09:49,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:09:49,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:09:49,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:09:49,802 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 3187b9137fe836a772e635b057217bb3e86134c2 [2019-11-28 20:09:50,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:09:50,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:09:50,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:09:50,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:09:50,155 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:09:50,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 20:09:50,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3004f0d24/a0f7e731a7a744e99ad7571f5b7533a4/FLAG55d63531c [2019-11-28 20:09:50,791 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:09:50,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-2.i [2019-11-28 20:09:50,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3004f0d24/a0f7e731a7a744e99ad7571f5b7533a4/FLAG55d63531c [2019-11-28 20:09:51,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3004f0d24/a0f7e731a7a744e99ad7571f5b7533a4 [2019-11-28 20:09:51,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:09:51,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:09:51,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:09:51,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:09:51,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:09:51,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51, skipping insertion in model container [2019-11-28 20:09:51,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:09:51,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:09:51,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:09:51,598 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:09:51,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:09:51,751 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:09:51,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51 WrapperNode [2019-11-28 20:09:51,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:09:51,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:09:51,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:09:51,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:09:51,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (1/1) ... [2019-11-28 20:09:51,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:09:51,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:09:51,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:09:51,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:09:51,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (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 20:09:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:09:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:09:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:09:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:09:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:09:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:09:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:09:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:09:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:09:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:09:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:09:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:09:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:09:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:09:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:09:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:09:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:09:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:09:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:09:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:09:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:09:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:09:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:09:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:09:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:09:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:09:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:09:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:09:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:09:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:09:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:09:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:09:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:09:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:09:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:09:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:09:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:09:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:09:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:09:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:09:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:09:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:09:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:09:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:09:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:09:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:09:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:09:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:09:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:09:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:09:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:09:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:09:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:09:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:09:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:09:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:09:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 20:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 20:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-28 20:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:09:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 20:09:52,474 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:09:52,475 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 20:09:52,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:52 BoogieIcfgContainer [2019-11-28 20:09:52,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:09:52,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:09:52,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:09:52,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:09:52,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:09:51" (1/3) ... [2019-11-28 20:09:52,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27104b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:09:52, skipping insertion in model container [2019-11-28 20:09:52,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:09:51" (2/3) ... [2019-11-28 20:09:52,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27104b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:09:52, skipping insertion in model container [2019-11-28 20:09:52,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:52" (3/3) ... [2019-11-28 20:09:52,484 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158_1-2.i [2019-11-28 20:09:52,493 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:09:52,501 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-28 20:09:52,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-28 20:09:52,532 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:09:52,532 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:09:52,532 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:09:52,533 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:09:52,533 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:09:52,533 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:09:52,533 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:09:52,533 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:09:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-28 20:09:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:09:52,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:52,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:52,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:52,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:52,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1500926649, now seen corresponding path program 1 times [2019-11-28 20:09:52,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:09:52,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101822194] [2019-11-28 20:09:52,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 20:09:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:52,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:09:52,757 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:09:52,863 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-28 20:09:52,864 INFO L377 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 20:09:52,865 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:09:52,873 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:09:52,875 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:09:52,876 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-11-28 20:09:52,897 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 20:09:52,897 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:09:52,912 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 20:09:52,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101822194] [2019-11-28 20:09:52,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:09:52,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 20:09:52,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475729890] [2019-11-28 20:09:52,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 20:09:52,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:09:52,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:09:52,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:09:52,940 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-11-28 20:09:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:09:53,041 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-11-28 20:09:53,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:09:53,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-28 20:09:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:09:53,052 INFO L225 Difference]: With dead ends: 24 [2019-11-28 20:09:53,052 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 20:09:53,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:09:53,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 20:09:53,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-28 20:09:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 20:09:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-28 20:09:53,099 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2019-11-28 20:09:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:09:53,100 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-28 20:09:53,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 20:09:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-28 20:09:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:09:53,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:53,101 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:53,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:09:53,319 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:53,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:53,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1500926648, now seen corresponding path program 1 times [2019-11-28 20:09:53,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:09:53,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130104985] [2019-11-28 20:09:53,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 20:09:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:53,422 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:09:53,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:09:53,439 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_29|]} [2019-11-28 20:09:53,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:09:53,448 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 20:09:53,449 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:09:53,475 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:09:53,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:09:53,487 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-28 20:09:53,488 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:09:53,501 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:09:53,503 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:09:53,504 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-11-28 20:09:53,525 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 20:09:53,526 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:09:53,591 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 20:09:53,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130104985] [2019-11-28 20:09:53,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:09:53,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 20:09:53,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173161453] [2019-11-28 20:09:53,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:09:53,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:09:53,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:09:53,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:09:53,599 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2019-11-28 20:09:53,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:09:53,681 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-28 20:09:53,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:09:53,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:09:53,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:09:53,684 INFO L225 Difference]: With dead ends: 16 [2019-11-28 20:09:53,684 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 20:09:53,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:09:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 20:09:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 20:09:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 20:09:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-28 20:09:53,697 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2019-11-28 20:09:53,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:09:53,699 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-28 20:09:53,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:09:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-28 20:09:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:09:53,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:53,702 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:53,902 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:09:53,903 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:53,904 INFO L82 PathProgramCache]: Analyzing trace with hash 676708179, now seen corresponding path program 1 times [2019-11-28 20:09:53,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:09:53,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211803251] [2019-11-28 20:09:53,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 20:09:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:09:54,014 INFO L264 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 20:09:54,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:09:54,026 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2019-11-28 20:09:54,027 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:09:54,031 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:09:54,032 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:09:54,032 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-28 20:09:54,049 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-28 20:09:54,050 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:09:54,052 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:09:54,053 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 20:09:54,053 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:5 [2019-11-28 20:09:54,066 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 20:09:54,066 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:09:54,102 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 20:09:54,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211803251] [2019-11-28 20:09:54,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:09:54,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 20:09:54,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176467133] [2019-11-28 20:09:54,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:09:54,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:09:54,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:09:54,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:09:54,104 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2019-11-28 20:09:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:09:54,211 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-11-28 20:09:54,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:09:54,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-28 20:09:54,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:09:54,213 INFO L225 Difference]: With dead ends: 20 [2019-11-28 20:09:54,213 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 20:09:54,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:09:54,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 20:09:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2019-11-28 20:09:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 20:09:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-11-28 20:09:54,218 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-11-28 20:09:54,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:09:54,219 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-11-28 20:09:54,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:09:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-11-28 20:09:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:09:54,220 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:09:54,220 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:09:54,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:09:54,431 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION]=== [2019-11-28 20:09:54,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:09:54,432 INFO L82 PathProgramCache]: Analyzing trace with hash 824471539, now seen corresponding path program 1 times [2019-11-28 20:09:54,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:09:54,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281126001] [2019-11-28 20:09:54,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 20:09:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:09:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:09:54,620 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:09:54,620 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:09:54,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 20:09:54,835 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 20:09:54,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:09:54 BoogieIcfgContainer [2019-11-28 20:09:54,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:09:54,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:09:54,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:09:54,848 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:09:54,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:09:52" (3/4) ... [2019-11-28 20:09:54,852 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:09:54,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:09:54,854 INFO L168 Benchmark]: Toolchain (without parser) took 3775.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 961.7 MB in the beginning and 846.4 MB in the end (delta: 115.3 MB). Peak memory consumption was 220.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:54,854 INFO L168 Benchmark]: CDTParser took 0.28 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 20:09:54,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:54,856 INFO L168 Benchmark]: Boogie Preprocessor took 78.35 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:54,857 INFO L168 Benchmark]: RCFGBuilder took 641.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:54,858 INFO L168 Benchmark]: TraceAbstraction took 2369.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 846.4 MB in the end (delta: 178.4 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:09:54,858 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 1.1 GB. Free memory is still 846.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:09:54,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 673.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.35 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2369.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 846.4 MB in the end (delta: 178.4 MB). Peak memory consumption was 178.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.72 ms. Allocated memory is still 1.1 GB. Free memory is still 846.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 513]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 513. Possible FailurePath: [L515-L522] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L523] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={1:0}] [L524] COND FALSE !(__VERIFIER_nondet_int()) [L527] data.str.p2 = 30 VAL [data={3:0}, malloc(37U)={1:0}] [L529] EXPR data.str.p2 VAL [data={3:0}, data.str.p2=30, malloc(37U)={1:0}] [L529] COND FALSE !(25 > data.str.p2) [L532] return 0; [L532] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 50 locations, 11 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 25 SDslu, 54 SDs, 0 SdLazy, 44 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 1 QuantifiedInterpolants, 948 SizeOfPredicates, 8 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 9 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...