./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 c3baf3e1382b3477cfa26255004191fb506be280 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 c3baf3e1382b3477cfa26255004191fb506be280 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:30:40,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:40,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:40,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:40,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:40,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:40,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:40,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:40,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:40,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:40,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:40,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:40,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:40,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:40,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:40,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:40,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:40,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:40,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:40,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:40,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:40,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:40,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:40,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:41,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:41,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:41,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:41,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:41,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:41,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:41,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:41,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:41,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:41,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:41,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:41,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:41,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:41,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:41,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:41,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:41,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:41,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 01:30:41,065 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:41,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:41,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:41,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:41,068 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:30:41,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:41,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:30:41,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:30:41,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:41,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:30:41,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:41,071 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:30:41,071 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:30:41,071 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:30:41,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:30:41,072 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:30:41,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:30:41,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:41,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:41,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:30:41,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:30:41,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:30:41,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:30:41,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:41,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:30:41,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:30:41,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:30:41,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:30:41,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-11-30 01:30:41,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:41,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:41,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:41,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:41,459 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:41,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-30 01:30:41,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/ef3a4edd8/00fb5e3e4e8c4c5484344371ceef8f98/FLAG39d279f7d [2020-11-30 01:30:42,351 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:42,352 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-30 01:30:42,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/ef3a4edd8/00fb5e3e4e8c4c5484344371ceef8f98/FLAG39d279f7d [2020-11-30 01:30:42,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/ef3a4edd8/00fb5e3e4e8c4c5484344371ceef8f98 [2020-11-30 01:30:42,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:42,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:30:42,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:42,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:42,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:42,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:42" (1/1) ... [2020-11-30 01:30:42,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6261944b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:42, skipping insertion in model container [2020-11-30 01:30:42,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:42" (1/1) ... [2020-11-30 01:30:42,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:42,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:43,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,152 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:43,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,259 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:43,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43 WrapperNode [2020-11-30 01:30:43,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:43,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:43,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:43,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:43,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:43,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:43,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 [2020-11-30 01:30:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 01:30:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:30:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 01:30:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 01:30:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 01:30:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 01:30:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 01:30:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 01:30:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 01:30:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-30 01:30:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-30 01:30:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-30 01:30:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:30:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:30:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 01:30:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 01:30:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 01:30:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 01:30:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 01:30:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 01:30:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 01:30:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 01:30:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 01:30:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 01:30:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 01:30:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 01:30:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 01:30:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 01:30:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 01:30:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 01:30:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 01:30:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 01:30:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 01:30:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 01:30:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 01:30:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 01:30:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 01:30:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 01:30:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 01:30:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 01:30:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 01:30:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 01:30:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 01:30:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 01:30:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 01:30:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 01:30:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 01:30:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 01:30:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 01:30:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 01:30:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 01:30:43,470 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 01:30:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 01:30:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 01:30:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 01:30:43,472 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 01:30:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 01:30:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 01:30:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 01:30:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 01:30:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 01:30:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 01:30:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 01:30:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 01:30:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 01:30:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 01:30:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 01:30:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 01:30:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 01:30:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 01:30:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 01:30:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 01:30:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 01:30:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 01:30:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 01:30:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 01:30:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 01:30:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 01:30:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 01:30:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 01:30:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 01:30:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 01:30:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 01:30:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 01:30:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 01:30:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 01:30:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 01:30:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 01:30:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 01:30:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 01:30:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 01:30:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 01:30:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 01:30:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 01:30:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 01:30:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 01:30:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 01:30:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 01:30:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 01:30:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 01:30:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 01:30:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 01:30:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 01:30:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 01:30:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 01:30:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 01:30:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 01:30:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 01:30:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 01:30:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 01:30:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 01:30:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 01:30:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 01:30:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 01:30:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 01:30:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 01:30:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 01:30:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 01:30:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 01:30:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 01:30:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 01:30:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:30:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:30:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:30:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:30:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 01:30:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:30:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:30:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:30:44,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:44,599 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-30 01:30:44,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44 BoogieIcfgContainer [2020-11-30 01:30:44,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:44,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:30:44,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:30:44,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:30:44,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:30:42" (1/3) ... [2020-11-30 01:30:44,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e561e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (2/3) ... [2020-11-30 01:30:44,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e561e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/3) ... [2020-11-30 01:30:44,631 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-11-30 01:30:44,655 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:30:44,659 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-30 01:30:44,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-30 01:30:44,695 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:30:44,695 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 01:30:44,695 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:30:44,696 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:30:44,696 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:30:44,696 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:30:44,696 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:30:44,696 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:30:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 01:30:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:30:44,722 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:44,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:44,723 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:44,731 INFO L82 PathProgramCache]: Analyzing trace with hash 666091848, now seen corresponding path program 1 times [2020-11-30 01:30:44,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:44,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139298543] [2020-11-30 01:30:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:45,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-30 01:30:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:45,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139298543] [2020-11-30 01:30:45,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:45,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:45,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088194736] [2020-11-30 01:30:45,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:30:45,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:45,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:30:45,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:30:45,078 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-11-30 01:30:45,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:45,176 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-30 01:30:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:30:45,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-30 01:30:45,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:45,198 INFO L225 Difference]: With dead ends: 18 [2020-11-30 01:30:45,208 INFO L226 Difference]: Without dead ends: 15 [2020-11-30 01:30:45,210 INFO L677 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 [2020-11-30 01:30:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-30 01:30:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-30 01:30:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-30 01:30:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-11-30 01:30:45,260 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-11-30 01:30:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:45,260 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-11-30 01:30:45,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:30:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-11-30 01:30:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:30:45,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:45,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:45,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:30:45,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:45,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:45,265 INFO L82 PathProgramCache]: Analyzing trace with hash 666091849, now seen corresponding path program 1 times [2020-11-30 01:30:45,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:45,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333108908] [2020-11-30 01:30:45,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:45,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-30 01:30:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:45,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333108908] [2020-11-30 01:30:45,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:45,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:45,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826388736] [2020-11-30 01:30:45,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:30:45,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:45,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:30:45,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:30:45,474 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-11-30 01:30:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:45,565 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-30 01:30:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:30:45,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-30 01:30:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:45,567 INFO L225 Difference]: With dead ends: 12 [2020-11-30 01:30:45,567 INFO L226 Difference]: Without dead ends: 12 [2020-11-30 01:30:45,568 INFO L677 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 [2020-11-30 01:30:45,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-30 01:30:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-30 01:30:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-30 01:30:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-30 01:30:45,571 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-11-30 01:30:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:45,571 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-30 01:30:45,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:30:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-30 01:30:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:30:45,574 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:45,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:45,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:30:45,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:45,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1176654068, now seen corresponding path program 1 times [2020-11-30 01:30:45,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:45,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778634817] [2020-11-30 01:30:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:45,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:45,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:45,687 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:45,687 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:30:45,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:30:45,705 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-30 01:30:45,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:30:45 BoogieIcfgContainer [2020-11-30 01:30:45,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:30:45,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:45,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:45,722 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:45,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/4) ... [2020-11-30 01:30:45,727 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:30:45,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:45,734 INFO L168 Benchmark]: Toolchain (without parser) took 3127.86 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 38.4 MB in the end (delta: 37.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:45,735 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:45,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.93 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 72.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:45,739 INFO L168 Benchmark]: Boogie Preprocessor took 72.35 ms. Allocated memory is still 107.0 MB. Free memory was 72.2 MB in the beginning and 70.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:45,740 INFO L168 Benchmark]: RCFGBuilder took 1269.09 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 33.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:45,741 INFO L168 Benchmark]: TraceAbstraction took 1101.03 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 38.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:45,743 INFO L168 Benchmark]: Witness Printer took 9.67 ms. Allocated memory is still 107.0 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 62.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:45,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 650.93 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 72.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.35 ms. Allocated memory is still 107.0 MB. Free memory was 72.2 MB in the beginning and 70.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1269.09 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 33.2 MB in the end (delta: 36.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1101.03 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 38.5 MB in the end (delta: 45.4 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Witness Printer took 9.67 ms. Allocated memory is still 107.0 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 62.6 kB). There was no memory consumed. Max. memory is 16.1 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: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={-1:0}] [L534] data.str.p2 = &data VAL [data={3:0}, malloc(37U)={-1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={3:0}, malloc(37U)={-1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 41 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 17 SDs, 0 SdLazy, 39 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 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, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-30 01:30:48,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:48,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:48,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:48,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:48,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:48,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:48,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:48,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:48,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:48,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:48,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:48,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:48,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:48,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:48,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:48,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:48,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:48,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:49,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:49,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:49,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:49,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:49,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:49,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:49,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:49,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:49,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:49,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:49,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:49,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:49,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:49,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:49,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:49,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:49,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:49,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:49,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:49,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:49,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:49,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:49,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 01:30:49,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:49,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:49,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:49,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:49,118 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:30:49,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:49,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:30:49,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:30:49,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:49,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:30:49,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:49,122 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:30:49,122 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:30:49,122 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:30:49,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:30:49,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:30:49,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:30:49,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:30:49,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:30:49,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:49,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:49,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:30:49,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:30:49,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:30:49,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:30:49,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:49,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:30:49,126 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:30:49,127 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:30:49,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:30:49,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:30:49,128 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-11-30 01:30:49,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:49,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:49,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:49,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:49,719 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:49,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-30 01:30:49,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/f4a0b4f09/80c561bacc6c4525afe42de4fc35ebb0/FLAGb9a39eec0 [2020-11-30 01:30:50,591 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:50,592 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/sv-benchmarks/c/memsafety/test-0158-2.i [2020-11-30 01:30:50,605 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/f4a0b4f09/80c561bacc6c4525afe42de4fc35ebb0/FLAGb9a39eec0 [2020-11-30 01:30:50,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/bin/uautomizer/data/f4a0b4f09/80c561bacc6c4525afe42de4fc35ebb0 [2020-11-30 01:30:50,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:50,831 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:30:50,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:50,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:50,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:50,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:50" (1/1) ... [2020-11-30 01:30:50,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ea96f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:50, skipping insertion in model container [2020-11-30 01:30:50,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:50" (1/1) ... [2020-11-30 01:30:50,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:50,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:51,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:51,273 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:51,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:51,443 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:51,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51 WrapperNode [2020-11-30 01:30:51,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:51,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:51,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:51,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:51,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... [2020-11-30 01:30:51,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:51,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:51,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:51,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:51,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 [2020-11-30 01:30:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 01:30:51,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 01:30:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:30:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 01:30:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 01:30:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 01:30:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 01:30:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 01:30:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 01:30:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 01:30:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-30 01:30:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-30 01:30:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-30 01:30:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:30:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:30:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 01:30:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 01:30:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 01:30:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 01:30:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 01:30:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 01:30:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 01:30:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 01:30:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 01:30:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 01:30:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 01:30:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 01:30:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 01:30:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 01:30:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 01:30:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 01:30:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 01:30:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 01:30:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 01:30:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 01:30:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 01:30:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 01:30:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 01:30:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 01:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 01:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 01:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 01:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 01:30:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 01:30:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 01:30:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 01:30:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 01:30:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 01:30:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 01:30:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 01:30:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 01:30:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 01:30:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 01:30:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 01:30:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 01:30:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 01:30:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 01:30:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 01:30:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 01:30:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 01:30:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 01:30:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 01:30:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 01:30:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 01:30:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 01:30:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 01:30:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 01:30:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 01:30:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 01:30:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 01:30:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 01:30:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 01:30:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 01:30:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 01:30:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 01:30:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 01:30:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 01:30:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 01:30:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 01:30:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 01:30:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 01:30:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 01:30:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 01:30:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 01:30:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 01:30:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 01:30:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 01:30:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 01:30:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 01:30:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 01:30:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 01:30:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 01:30:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 01:30:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 01:30:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 01:30:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 01:30:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 01:30:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 01:30:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 01:30:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 01:30:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 01:30:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 01:30:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 01:30:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 01:30:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 01:30:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 01:30:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 01:30:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 01:30:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 01:30:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 01:30:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 01:30:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 01:30:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 01:30:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 01:30:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 01:30:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 01:30:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 01:30:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 01:30:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 01:30:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 01:30:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 01:30:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 01:30:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:30:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:30:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 01:30:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:30:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 01:30:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:30:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 01:30:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 01:30:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:30:52,609 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:52,609 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-30 01:30:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:52 BoogieIcfgContainer [2020-11-30 01:30:52,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:52,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:30:52,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:30:52,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:30:52,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:30:50" (1/3) ... [2020-11-30 01:30:52,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664f9f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:52, skipping insertion in model container [2020-11-30 01:30:52,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:51" (2/3) ... [2020-11-30 01:30:52,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664f9f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:52, skipping insertion in model container [2020-11-30 01:30:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:52" (3/3) ... [2020-11-30 01:30:52,632 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-11-30 01:30:52,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:30:52,658 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-30 01:30:52,672 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-30 01:30:52,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:30:52,720 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 01:30:52,720 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:30:52,720 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:30:52,720 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:30:52,721 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:30:52,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:30:52,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:30:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 01:30:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:30:52,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:52,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:52,755 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:52,761 INFO L82 PathProgramCache]: Analyzing trace with hash -632827618, now seen corresponding path program 1 times [2020-11-30 01:30:52,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:30:52,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572714579] [2020-11-30 01:30:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 [2020-11-30 01:30:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:52,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:30:53,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:30:53,139 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-11-30 01:30:53,140 INFO L384 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 [2020-11-30 01:30:53,141 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:30:53,165 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:53,171 INFO L545 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. [2020-11-30 01:30:53,177 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-11-30 01:30:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:53,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:30:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:53,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572714579] [2020-11-30 01:30:53,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:53,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:30:53,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196626691] [2020-11-30 01:30:53,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:30:53,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:30:53,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:53,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:53,266 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-11-30 01:30:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:53,356 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-11-30 01:30:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:53,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 01:30:53,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:53,367 INFO L225 Difference]: With dead ends: 18 [2020-11-30 01:30:53,367 INFO L226 Difference]: Without dead ends: 15 [2020-11-30 01:30:53,369 INFO L677 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 [2020-11-30 01:30:53,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-30 01:30:53,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-30 01:30:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-30 01:30:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-11-30 01:30:53,408 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-11-30 01:30:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:53,409 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-11-30 01:30:53,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:30:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-11-30 01:30:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:30:53,410 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:53,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:53,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:30:53,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:53,622 INFO L82 PathProgramCache]: Analyzing trace with hash -632827617, now seen corresponding path program 1 times [2020-11-30 01:30:53,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:30:53,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504681559] [2020-11-30 01:30:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 [2020-11-30 01:30:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:53,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:30:53,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:30:53,826 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_27|]} [2020-11-30 01:30:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:30:53,834 INFO L384 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 [2020-11-30 01:30:53,835 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:30:53,851 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:30:53,862 INFO L384 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 [2020-11-30 01:30:53,863 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:30:53,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:53,875 INFO L545 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. [2020-11-30 01:30:53,876 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2020-11-30 01:30:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:53,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:30:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:53,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504681559] [2020-11-30 01:30:53,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:53,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-30 01:30:53,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807628080] [2020-11-30 01:30:53,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:30:53,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:30:53,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:30:53,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:30:53,999 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-11-30 01:30:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:54,083 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-30 01:30:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:54,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-30 01:30:54,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:54,087 INFO L225 Difference]: With dead ends: 12 [2020-11-30 01:30:54,088 INFO L226 Difference]: Without dead ends: 12 [2020-11-30 01:30:54,088 INFO L677 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 [2020-11-30 01:30:54,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-30 01:30:54,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-30 01:30:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-30 01:30:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-30 01:30:54,092 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-11-30 01:30:54,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:54,095 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-30 01:30:54,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:30:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-30 01:30:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:30:54,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:54,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:54,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:30:54,298 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-11-30 01:30:54,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:54,299 INFO L82 PathProgramCache]: Analyzing trace with hash -509331102, now seen corresponding path program 1 times [2020-11-30 01:30:54,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:30:54,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821329862] [2020-11-30 01:30:54,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a3efa5-ab63-4f02-87e4-3c46bf95f1e2/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 [2020-11-30 01:30:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:54,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:54,697 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:54,743 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 01:30:54,746 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:30:54,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:30:54,967 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-11-30 01:30:54,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:30:54 BoogieIcfgContainer [2020-11-30 01:30:54,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:30:54,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:54,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:54,980 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:54,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:52" (3/4) ... [2020-11-30 01:30:54,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:30:54,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:54,990 INFO L168 Benchmark]: Toolchain (without parser) took 4157.43 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.9 MB in the beginning and 38.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:54,991 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:54,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.63 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 32.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:54,994 INFO L168 Benchmark]: Boogie Preprocessor took 83.09 ms. Allocated memory is still 58.7 MB. Free memory was 32.2 MB in the beginning and 29.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:54,998 INFO L168 Benchmark]: RCFGBuilder took 1083.13 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 40.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:55,006 INFO L168 Benchmark]: TraceAbstraction took 2364.35 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 40.4 MB in the beginning and 39.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:55,007 INFO L168 Benchmark]: Witness Printer took 5.45 ms. Allocated memory is still 88.1 MB. Free memory was 39.3 MB in the beginning and 38.7 MB in the end (delta: 629.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:55,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.63 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 32.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.09 ms. Allocated memory is still 58.7 MB. Free memory was 32.2 MB in the beginning and 29.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1083.13 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 40.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2364.35 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 40.4 MB in the beginning and 39.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.45 ms. Allocated memory is still 88.1 MB. Free memory was 39.3 MB in the beginning and 38.7 MB in the end (delta: 629.3 kB). There was no memory consumed. Max. memory is 16.1 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: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={11:0}, malloc(37U)={1:0}] [L534] data.str.p2 = &data VAL [data={11:0}, malloc(37U)={1:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={11:0}, malloc(37U)={1:0}] [L536] return 0; [L536] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 9 SDslu, 16 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 360 SizeOfPredicates, 5 NumberOfNonLiveVariables, 122 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, ACCELERATED_INTERPOLATION: 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...