./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/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7174a28ac52b04ed4de9f759628aa0f94f2add .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 [2019-12-07 14:59:52,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:59:52,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:59:52,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:59:52,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:59:52,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:59:52,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:59:52,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:59:52,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:59:52,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:59:52,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:59:52,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:59:52,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:59:52,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:59:52,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:59:52,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:59:52,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:59:52,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:59:52,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:59:52,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:59:52,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:59:52,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:59:52,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:59:52,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:59:52,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:59:52,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:59:52,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:59:52,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:59:52,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:59:52,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:59:52,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:59:52,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:59:52,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:59:52,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:59:52,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:59:52,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:59:52,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:59:52,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:59:52,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:59:52,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:59:52,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:59:52,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 14:59:52,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:59:52,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:59:52,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:59:52,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:59:52,064 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:59:52,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:59:52,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:59:52,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:59:52,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:59:52,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:52,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:59:52,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:59:52,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:59:52,067 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-12-07 14:59:52,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:59:52,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:59:52,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:59:52,178 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:59:52,179 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:59:52,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 14:59:52,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/0be34af21/2e83606d962f4cbf9c55fc3726860322/FLAG1feae6246 [2019-12-07 14:59:52,675 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:59:52,676 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 14:59:52,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/0be34af21/2e83606d962f4cbf9c55fc3726860322/FLAG1feae6246 [2019-12-07 14:59:52,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/0be34af21/2e83606d962f4cbf9c55fc3726860322 [2019-12-07 14:59:52,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:59:52,697 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 14:59:52,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:52,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:59:52,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:59:52,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:52,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46069d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52, skipping insertion in model container [2019-12-07 14:59:52,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:52,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:59:52,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:59:52,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:52,937 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:59:52,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:52,997 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:59:52,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52 WrapperNode [2019-12-07 14:59:52,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:52,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:59:52,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:59:52,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:59:53,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... [2019-12-07 14:59:53,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:59:53,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:59:53,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:59:53,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:59:53,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 14:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 14:59:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 14:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 14:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 14:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 14:59:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 14:59:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 14:59:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 14:59:53,074 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 14:59:53,075 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 14:59:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 14:59:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 14:59:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 14:59:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:59:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:59:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:59:53,296 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:59:53,296 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-07 14:59:53,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:53 BoogieIcfgContainer [2019-12-07 14:59:53,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:59:53,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:59:53,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:59:53,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:59:53,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:59:52" (1/3) ... [2019-12-07 14:59:53,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d3b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:53, skipping insertion in model container [2019-12-07 14:59:53,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:52" (2/3) ... [2019-12-07 14:59:53,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d3b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:53, skipping insertion in model container [2019-12-07 14:59:53,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:53" (3/3) ... [2019-12-07 14:59:53,301 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-12-07 14:59:53,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:59:53,312 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-12-07 14:59:53,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-07 14:59:53,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:59:53,332 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 14:59:53,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:59:53,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:59:53,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:59:53,332 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:59:53,332 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:59:53,332 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:59:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 14:59:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 14:59:53,347 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:53,347 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:53,348 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:53,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:53,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242207, now seen corresponding path program 1 times [2019-12-07 14:59:53,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:59:53,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877580085] [2019-12-07 14:59:53,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:53,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877580085] [2019-12-07 14:59:53,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:53,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:59:53,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311595512] [2019-12-07 14:59:53,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:53,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:59:53,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:53,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:53,498 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-12-07 14:59:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:53,546 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 14:59:53,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:59:53,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 14:59:53,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:53,553 INFO L225 Difference]: With dead ends: 18 [2019-12-07 14:59:53,553 INFO L226 Difference]: Without dead ends: 15 [2019-12-07 14:59:53,554 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 [2019-12-07 14:59:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-12-07 14:59:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 14:59:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 14:59:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-12-07 14:59:53,577 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-12-07 14:59:53,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:53,578 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-12-07 14:59:53,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-12-07 14:59:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 14:59:53,578 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:53,578 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:53,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:53,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:53,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242208, now seen corresponding path program 1 times [2019-12-07 14:59:53,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:59:53,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478319335] [2019-12-07 14:59:53,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:53,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478319335] [2019-12-07 14:59:53,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:53,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:59:53,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519098422] [2019-12-07 14:59:53,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:53,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:59:53,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:53,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:53,638 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2019-12-07 14:59:53,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:53,659 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-12-07 14:59:53,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:59:53,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 14:59:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:53,659 INFO L225 Difference]: With dead ends: 12 [2019-12-07 14:59:53,659 INFO L226 Difference]: Without dead ends: 12 [2019-12-07 14:59:53,660 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 [2019-12-07 14:59:53,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-07 14:59:53,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-07 14:59:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 14:59:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-12-07 14:59:53,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-12-07 14:59:53,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:53,662 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-12-07 14:59:53,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-12-07 14:59:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:59:53,662 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:53,663 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:53,663 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:53,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:53,663 INFO L82 PathProgramCache]: Analyzing trace with hash 502608035, now seen corresponding path program 1 times [2019-12-07 14:59:53,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:59:53,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173004134] [2019-12-07 14:59:53,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:53,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:59:53,715 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:59:53,723 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-12-07 14:59:53,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:59:53 BoogieIcfgContainer [2019-12-07 14:59:53,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:59:53,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:59:53,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:59:53,730 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:59:53,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:53" (3/4) ... [2019-12-07 14:59:53,733 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:59:53,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:59:53,734 INFO L168 Benchmark]: Toolchain (without parser) took 1036.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.3 MB in the beginning and 982.3 MB in the end (delta: -43.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:53,735 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:53,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:53,736 INFO L168 Benchmark]: Boogie Preprocessor took 33.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:53,736 INFO L168 Benchmark]: RCFGBuilder took 264.83 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:53,737 INFO L168 Benchmark]: TraceAbstraction took 432.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 982.3 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:53,737 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:53,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264.83 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 432.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 982.3 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 982.3 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={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: 0.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, 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, 0.0s 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 [2019-12-07 14:59:55,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:59:55,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:59:55,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:59:55,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:59:55,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:59:55,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:59:55,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:59:55,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:59:55,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:59:55,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:59:55,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:59:55,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:59:55,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:59:55,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:59:55,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:59:55,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:59:55,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:59:55,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:59:55,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:59:55,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:59:55,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:59:55,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:59:55,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:59:55,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:59:55,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:59:55,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:59:55,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:59:55,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:59:55,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:59:55,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:59:55,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:59:55,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:59:55,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:59:55,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:59:55,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:59:55,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:59:55,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:59:55,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:59:55,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:59:55,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:59:55,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-12-07 14:59:55,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:59:55,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:59:55,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:59:55,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:59:55,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:59:55,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:59:55,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:59:55,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:59:55,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:59:55,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:59:55,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:59:55,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:59:55,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:55,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:59:55,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:59:55,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:59:55,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:59:55,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:59:55,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:59:55,249 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-12-07 14:59:55,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:59:55,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:59:55,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:59:55,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:59:55,438 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:59:55,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 14:59:55,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/404cd1557/2e07bfddf62043fc853941a75a5bfec7/FLAG2a3cf83ba [2019-12-07 14:59:55,907 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:59:55,908 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 14:59:55,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/404cd1557/2e07bfddf62043fc853941a75a5bfec7/FLAG2a3cf83ba [2019-12-07 14:59:56,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/data/404cd1557/2e07bfddf62043fc853941a75a5bfec7 [2019-12-07 14:59:56,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:59:56,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 14:59:56,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:56,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:59:56,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:59:56,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74175d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56, skipping insertion in model container [2019-12-07 14:59:56,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:59:56,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:59:56,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:56,471 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:59:56,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:56,586 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:59:56,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56 WrapperNode [2019-12-07 14:59:56,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:56,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:59:56,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:59:56,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:59:56,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... [2019-12-07 14:59:56,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:59:56,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:59:56,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:59:56,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:59:56,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-12-07 14:59:56,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-12-07 14:59:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-12-07 14:59:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 14:59:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-12-07 14:59:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 14:59:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 14:59:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 14:59:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 14:59:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 14:59:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 14:59:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:59:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 14:59:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:59:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 14:59:56,935 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:59:56,935 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-07 14:59:56,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:56 BoogieIcfgContainer [2019-12-07 14:59:56,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:59:56,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:59:56,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:59:56,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:59:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:59:56" (1/3) ... [2019-12-07 14:59:56,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae0dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:56, skipping insertion in model container [2019-12-07 14:59:56,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:56" (2/3) ... [2019-12-07 14:59:56,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae0dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:56, skipping insertion in model container [2019-12-07 14:59:56,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:56" (3/3) ... [2019-12-07 14:59:56,941 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-12-07 14:59:56,947 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:59:56,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-12-07 14:59:56,959 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-07 14:59:56,971 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:59:56,972 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 14:59:56,972 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:59:56,972 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:59:56,972 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:59:56,972 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:59:56,972 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:59:56,972 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:59:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-07 14:59:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 14:59:56,986 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:56,987 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:56,987 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:56,991 INFO L82 PathProgramCache]: Analyzing trace with hash -296677259, now seen corresponding path program 1 times [2019-12-07 14:59:56,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:56,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449221376] [2019-12-07 14:59:56,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/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 [2019-12-07 14:59:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:57,087 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:59:57,091 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:57,148 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-12-07 14:59:57,149 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 [2019-12-07 14:59:57,149 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:59:57,155 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:59:57,157 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. [2019-12-07 14:59:57,157 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-12-07 14:59:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:57,172 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:57,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449221376] [2019-12-07 14:59:57,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:57,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:59:57,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781819044] [2019-12-07 14:59:57,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:59:57,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:57,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:59:57,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:59:57,203 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-12-07 14:59:57,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:57,256 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 14:59:57,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:59:57,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-07 14:59:57,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:57,265 INFO L225 Difference]: With dead ends: 18 [2019-12-07 14:59:57,266 INFO L226 Difference]: Without dead ends: 15 [2019-12-07 14:59:57,267 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 [2019-12-07 14:59:57,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-12-07 14:59:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 14:59:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 14:59:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-12-07 14:59:57,289 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-12-07 14:59:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:57,290 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-12-07 14:59:57,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:59:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-12-07 14:59:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 14:59:57,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:57,290 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:57,491 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:59:57,491 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:57,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:57,492 INFO L82 PathProgramCache]: Analyzing trace with hash -296677258, now seen corresponding path program 1 times [2019-12-07 14:59:57,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:57,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080320076] [2019-12-07 14:59:57,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/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 [2019-12-07 14:59:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:57,630 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:59:57,630 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:57,638 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_25|]} [2019-12-07 14:59:57,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 14:59:57,643 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 [2019-12-07 14:59:57,644 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 14:59:57,652 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:59:57,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 14:59:57,659 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 [2019-12-07 14:59:57,659 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 14:59:57,666 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 14:59:57,667 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. [2019-12-07 14:59:57,667 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-12-07 14:59:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:57,679 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:57,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080320076] [2019-12-07 14:59:57,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:57,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 14:59:57,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604437529] [2019-12-07 14:59:57,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:57,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:57,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:57,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:57,721 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2019-12-07 14:59:57,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:57,750 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-12-07 14:59:57,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:59:57,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 14:59:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:57,751 INFO L225 Difference]: With dead ends: 12 [2019-12-07 14:59:57,751 INFO L226 Difference]: Without dead ends: 12 [2019-12-07 14:59:57,752 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 [2019-12-07 14:59:57,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-07 14:59:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-07 14:59:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 14:59:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-12-07 14:59:57,754 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-12-07 14:59:57,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:57,754 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-12-07 14:59:57,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-12-07 14:59:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:59:57,754 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:57,754 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:57,955 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:59:57,955 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-12-07 14:59:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:57,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1169931001, now seen corresponding path program 1 times [2019-12-07 14:59:57,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:57,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386331985] [2019-12-07 14:59:57,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1499ff96-e972-493a-adeb-a6efbcd16733/bin/uautomizer/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 [2019-12-07 14:59:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:58,179 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 14:59:58,179 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:59:58,379 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:59:58,390 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-12-07 14:59:58,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:59:58 BoogieIcfgContainer [2019-12-07 14:59:58,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:59:58,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:59:58,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:59:58,401 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:59:58,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:56" (3/4) ... [2019-12-07 14:59:58,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:59:58,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:59:58,405 INFO L168 Benchmark]: Toolchain (without parser) took 2134.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 934.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:58,406 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:58,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:58,407 INFO L168 Benchmark]: Boogie Preprocessor took 37.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:58,408 INFO L168 Benchmark]: RCFGBuilder took 311.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:58,408 INFO L168 Benchmark]: TraceAbstraction took 1463.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.5 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:58,409 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 934.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:58,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1463.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.5 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 934.5 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: 1.4s, 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, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.1s 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...