./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/test-0158-2.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/memsafety/test-0158-2.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 0e7174a28ac52b04ed4de9f759628aa0f94f2add .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety/test-0158-2.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 0e7174a28ac52b04ed4de9f759628aa0f94f2add .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:07:29,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:07:29,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:07:29,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:07:29,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:07:29,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:07:29,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:07:29,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:07:29,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:07:29,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:07:29,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:07:29,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:07:29,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:07:29,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:07:29,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:07:29,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:07:29,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:07:29,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:07:29,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:07:29,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:07:29,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:07:29,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:07:29,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:07:29,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:07:29,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:07:29,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:07:29,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:07:29,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:07:29,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:07:29,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:07:29,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:07:29,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:07:29,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:07:29,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:07:29,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:07:29,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:07:29,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:07:29,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:07:29,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:07:29,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:07:29,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:07:29,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:07:29,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:07:29,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:07:29,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:07:29,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:07:29,957 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:07:29,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:07:29,958 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:07:29,959 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:07:29,959 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:07:29,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:07:29,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:07:29,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:07:29,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:07:29,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:07:29,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:07:29,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:07:29,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:07:29,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:07:29,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:07:29,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:07:29,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:07:29,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:07:29,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:07:29,962 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 -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-11-28 20:07:30,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:07:30,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:07:30,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:07:30,305 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:07:30,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:07:30,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-2.i [2019-11-28 20:07:30,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b4af65d/7a44abdea81842378bb89da455e34057/FLAGfa8e9ccdd [2019-11-28 20:07:30,898 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:07:30,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-2.i [2019-11-28 20:07:30,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b4af65d/7a44abdea81842378bb89da455e34057/FLAGfa8e9ccdd [2019-11-28 20:07:31,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b4af65d/7a44abdea81842378bb89da455e34057 [2019-11-28 20:07:31,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:07:31,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:07:31,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:31,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:07:31,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:07:31,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a2a663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31, skipping insertion in model container [2019-11-28 20:07:31,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:07:31,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:07:31,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:31,721 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:07:31,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:31,849 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:07:31,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31 WrapperNode [2019-11-28 20:07:31,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:31,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:07:31,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:07:31,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:07:31,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (1/1) ... [2019-11-28 20:07:31,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:07:31,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:07:31,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:07:31,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:07:31,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (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 20:07:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:07:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:07:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:07:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:07:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:07:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:07:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:07:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:07:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:07:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:07:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:07:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:07:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:07:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:07:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:07:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:07:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:07:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:07:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:07:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:07:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:07:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:07:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:07:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:07:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:07:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:07:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:07:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:07:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:07:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:07:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:07:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:07:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:07:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:07:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:07:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:07:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:07:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:07:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:07:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:07:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:07:32,475 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:07:32,476 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 20:07:32,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32 BoogieIcfgContainer [2019-11-28 20:07:32,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:07:32,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:07:32,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:07:32,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:07:32,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:07:31" (1/3) ... [2019-11-28 20:07:32,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436fefec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:32, skipping insertion in model container [2019-11-28 20:07:32,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:31" (2/3) ... [2019-11-28 20:07:32,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436fefec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:32, skipping insertion in model container [2019-11-28 20:07:32,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32" (3/3) ... [2019-11-28 20:07:32,491 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-11-28 20:07:32,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:07:32,509 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-28 20:07:32,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-28 20:07:32,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:07:32,543 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:07:32,543 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:07:32,543 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:07:32,544 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:07:32,544 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:07:32,544 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:07:32,544 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:07:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-28 20:07:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:32,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:32,567 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:32,568 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:32,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:32,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242207, now seen corresponding path program 1 times [2019-11-28 20:07:32,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:32,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344893860] [2019-11-28 20:07:32,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:32,835 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 20:07:32,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344893860] [2019-11-28 20:07:32,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:32,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:07:32,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505798144] [2019-11-28 20:07:32,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:07:32,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:32,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:07:32,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:32,865 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-11-28 20:07:32,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:32,961 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-28 20:07:32,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:07:32,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:07:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:32,975 INFO L225 Difference]: With dead ends: 18 [2019-11-28 20:07:32,975 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 20:07:32,979 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 20:07:32,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 20:07:33,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 20:07:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:07:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-28 20:07:33,012 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-11-28 20:07:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,012 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-28 20:07:33,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:07:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-28 20:07:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:33,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:33,013 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:33,014 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:33,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242208, now seen corresponding path program 1 times [2019-11-28 20:07:33,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:33,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916609743] [2019-11-28 20:07:33,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:33,112 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 20:07:33,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916609743] [2019-11-28 20:07:33,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:33,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:07:33,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675421853] [2019-11-28 20:07:33,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:07:33,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:07:33,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:07:33,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:33,116 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2019-11-28 20:07:33,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:33,149 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-28 20:07:33,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:07:33,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:07:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:33,150 INFO L225 Difference]: With dead ends: 12 [2019-11-28 20:07:33,150 INFO L226 Difference]: Without dead ends: 12 [2019-11-28 20:07:33,151 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 20:07:33,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-28 20:07:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 20:07:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 20:07:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-28 20:07:33,155 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-11-28 20:07:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:33,155 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-28 20:07:33,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:07:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-28 20:07:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:07:33,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:33,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:33,157 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash 502608035, now seen corresponding path program 1 times [2019-11-28 20:07:33,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:07:33,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916914156] [2019-11-28 20:07:33,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:07:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:07:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:07:33,267 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:07:33,267 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:07:33,279 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 20:07:33,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:07:33 BoogieIcfgContainer [2019-11-28 20:07:33,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:07:33,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:07:33,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:07:33,293 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:07:33,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:32" (3/4) ... [2019-11-28 20:07:33,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:07:33,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:07:33,299 INFO L168 Benchmark]: Toolchain (without parser) took 2066.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -46.5 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,300 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:07:33,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,302 INFO L168 Benchmark]: Boogie Preprocessor took 57.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,303 INFO L168 Benchmark]: RCFGBuilder took 569.14 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,303 INFO L168 Benchmark]: TraceAbstraction took 813.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:33,304 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:07:33,308 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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 569.14 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 813.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.10 ms. Allocated memory is still 1.1 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: 512]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 512. Possible FailurePath: [L514-L521] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L522] data.p0 = malloc(37U) VAL [data={2:0}, malloc(37U)={-1:0}] [L523] data.str.p2 = &data VAL [data={2:0}, malloc(37U)={-1:0}] [L524] data.str.c[1] = sizeof data.str.p1 VAL [data={2:0}, malloc(37U)={-1:0}] [L525] return 0; [L525] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 36 locations, 7 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 15 SDs, 0 SdLazy, 40 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 25 NumberOfCodeBlocks, 25 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 20:07:35,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:07:35,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:07:35,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:07:35,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:07:35,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:07:35,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:07:35,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:07:35,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:07:35,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:07:35,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:07:35,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:07:35,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:07:35,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:07:35,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:07:35,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:07:35,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:07:35,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:07:35,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:07:35,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:07:35,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:07:35,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:07:35,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:07:35,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:07:35,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:07:35,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:07:35,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:07:35,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:07:35,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:07:35,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:07:35,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:07:35,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:07:35,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:07:35,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:07:35,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:07:35,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:07:35,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:07:35,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:07:35,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:07:35,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:07:35,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:07:35,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 20:07:35,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:07:35,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:07:35,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:07:35,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:07:35,352 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:07:35,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:07:35,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:07:35,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:07:35,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:07:35,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:07:35,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:07:35,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:07:35,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:07:35,355 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:07:35,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:07:35,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:07:35,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 20:07:35,356 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 20:07:35,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:07:35,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:07:35,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:07:35,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:07:35,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:07:35,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:07:35,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:07:35,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:07:35,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:07:35,359 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 20:07:35,359 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 20:07:35,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:07:35,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 20:07:35,360 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 -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-11-28 20:07:35,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:07:35,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:07:35,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:07:35,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:07:35,711 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:07:35,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0158-2.i [2019-11-28 20:07:35,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c9d930f/c4b6dcd9711642229e42ee8af7f6108a/FLAG029fa7adf [2019-11-28 20:07:36,361 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:07:36,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0158-2.i [2019-11-28 20:07:36,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c9d930f/c4b6dcd9711642229e42ee8af7f6108a/FLAG029fa7adf [2019-11-28 20:07:36,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65c9d930f/c4b6dcd9711642229e42ee8af7f6108a [2019-11-28 20:07:36,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:07:36,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:07:36,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:36,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:07:36,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:07:36,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:36" (1/1) ... [2019-11-28 20:07:36,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c23cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:36, skipping insertion in model container [2019-11-28 20:07:36,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:07:36" (1/1) ... [2019-11-28 20:07:36,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:07:36,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:07:37,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:37,206 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:07:37,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:07:37,338 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:07:37,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37 WrapperNode [2019-11-28 20:07:37,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:07:37,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:07:37,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:07:37,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:07:37,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (1/1) ... [2019-11-28 20:07:37,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:07:37,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:07:37,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:07:37,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:07:37,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (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 20:07:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:07:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:07:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:07:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 20:07:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 20:07:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 20:07:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 20:07:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 20:07:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:07:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:07:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:07:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:07:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:07:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:07:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:07:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:07:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:07:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:07:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:07:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 20:07:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:07:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:07:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:07:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:07:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:07:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:07:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:07:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:07:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:07:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:07:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:07:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:07:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:07:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 20:07:37,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:07:37,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 20:07:38,018 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:07:38,018 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 20:07:38,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:38 BoogieIcfgContainer [2019-11-28 20:07:38,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:07:38,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:07:38,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:07:38,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:07:38,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:07:36" (1/3) ... [2019-11-28 20:07:38,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2f65c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:38, skipping insertion in model container [2019-11-28 20:07:38,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:07:37" (2/3) ... [2019-11-28 20:07:38,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2f65c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:07:38, skipping insertion in model container [2019-11-28 20:07:38,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:38" (3/3) ... [2019-11-28 20:07:38,028 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-11-28 20:07:38,038 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:07:38,045 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-28 20:07:38,062 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-28 20:07:38,081 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:07:38,082 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:07:38,082 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:07:38,082 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:07:38,082 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:07:38,083 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:07:38,083 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:07:38,083 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:07:38,097 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-28 20:07:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:38,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:38,107 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:38,107 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:38,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:38,114 INFO L82 PathProgramCache]: Analyzing trace with hash -296677259, now seen corresponding path program 1 times [2019-11-28 20:07:38,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:07:38,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116497156] [2019-11-28 20:07:38,126 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 20:07:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:38,320 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:07:38,328 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:07:38,417 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-28 20:07:38,418 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 20:07:38,418 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:07:38,428 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:07:38,430 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 20:07:38,431 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-11-28 20:07:38,451 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 20:07:38,452 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:07:38,485 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 20:07:38,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116497156] [2019-11-28 20:07:38,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:38,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 20:07:38,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004820609] [2019-11-28 20:07:38,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 20:07:38,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:07:38,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:07:38,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:07:38,518 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-11-28 20:07:38,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:38,621 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-28 20:07:38,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:07:38,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-28 20:07:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:38,636 INFO L225 Difference]: With dead ends: 18 [2019-11-28 20:07:38,636 INFO L226 Difference]: Without dead ends: 15 [2019-11-28 20:07:38,638 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 20:07:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-28 20:07:38,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 20:07:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:07:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-11-28 20:07:38,681 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-11-28 20:07:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:38,682 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-11-28 20:07:38,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 20:07:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-11-28 20:07:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:07:38,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:38,683 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:38,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 20:07:38,897 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:38,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:38,898 INFO L82 PathProgramCache]: Analyzing trace with hash -296677258, now seen corresponding path program 1 times [2019-11-28 20:07:38,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:07:38,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624540197] [2019-11-28 20:07:38,900 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 20:07:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:07:39,001 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:07:39,002 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:07:39,014 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_25|]} [2019-11-28 20:07:39,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:07:39,024 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 20:07:39,024 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:07:39,039 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:07:39,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:07:39,051 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 20:07:39,051 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:07:39,064 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:07:39,065 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 20:07:39,065 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-11-28 20:07:39,084 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 20:07:39,084 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 20:07:39,136 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 20:07:39,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624540197] [2019-11-28 20:07:39,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:07:39,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-28 20:07:39,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146004922] [2019-11-28 20:07:39,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:07:39,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 20:07:39,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:07:39,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:07:39,140 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2019-11-28 20:07:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:07:39,191 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-28 20:07:39,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:07:39,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:07:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:07:39,193 INFO L225 Difference]: With dead ends: 12 [2019-11-28 20:07:39,193 INFO L226 Difference]: Without dead ends: 12 [2019-11-28 20:07:39,195 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 20:07:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-28 20:07:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 20:07:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 20:07:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-28 20:07:39,198 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-11-28 20:07:39,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:07:39,198 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-28 20:07:39,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:07:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-28 20:07:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 20:07:39,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:07:39,199 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:07:39,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 20:07:39,410 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 20:07:39,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:07:39,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1169931001, now seen corresponding path program 1 times [2019-11-28 20:07:39,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 20:07:39,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068122607] [2019-11-28 20:07:39,413 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 20:07:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:07:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:07:39,667 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 20:07:39,667 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:07:39,868 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 20:07:39,886 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 20:07:39,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:07:39 BoogieIcfgContainer [2019-11-28 20:07:39,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:07:39,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:07:39,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:07:39,904 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:07:39,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:07:38" (3/4) ... [2019-11-28 20:07:39,909 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:07:39,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:07:39,911 INFO L168 Benchmark]: Toolchain (without parser) took 3215.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 961.7 MB in the beginning and 895.0 MB in the end (delta: 66.7 MB). Peak memory consumption was 162.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:39,911 INFO L168 Benchmark]: CDTParser took 0.27 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 20:07:39,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -114.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:39,913 INFO L168 Benchmark]: Boogie Preprocessor took 73.09 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:39,914 INFO L168 Benchmark]: RCFGBuilder took 606.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:39,915 INFO L168 Benchmark]: TraceAbstraction took 1882.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 895.0 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:07:39,915 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 1.1 GB. Free memory is still 895.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:07:39,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 642.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -114.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.09 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 606.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1882.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 895.0 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.97 ms. Allocated memory is still 1.1 GB. Free memory is still 895.0 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: 512]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 512. Possible FailurePath: [L514-L521] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L522] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={1:0}] [L523] data.str.p2 = &data VAL [data={3:0}, malloc(37U)={1:0}] [L524] data.str.c[1] = sizeof data.str.p1 VAL [data={3:0}, malloc(37U)={1:0}] [L525] return 0; [L525] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 42 locations, 7 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 18 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 396 SizeOfPredicates, 5 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...