./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 0.2.0-69874e2 [2020-12-01 15:47:34,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:47:34,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:47:34,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:47:34,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:47:34,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:47:34,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:47:34,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:47:34,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:47:34,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:47:34,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:47:34,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:47:34,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:47:34,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:47:34,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:47:34,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:47:34,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:47:34,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:47:34,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:47:34,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:47:34,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:47:34,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:47:34,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:47:34,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:47:34,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:47:34,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:47:34,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:47:34,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:47:34,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:47:34,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:47:34,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:47:34,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:47:34,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:47:34,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:47:34,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:47:34,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:47:34,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:47:34,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:47:34,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:47:34,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:47:34,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:47:34,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-12-01 15:47:34,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:47:34,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:47:34,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:47:34,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:47:34,308 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:47:34,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:47:34,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:47:34,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:47:34,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:47:34,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:47:34,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:47:34,310 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 15:47:34,310 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 15:47:34,311 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 15:47:34,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:47:34,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 15:47:34,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:47:34,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:47:34,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:47:34,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:47:34,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:47:34,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:47:34,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:47:34,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:47:34,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:47:34,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:47:34,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:47:34,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:47:34,325 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_db677143-490f-4ac0-8003-d062affc882a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-12-01 15:47:34,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:47:34,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:47:34,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:47:34,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:47:34,662 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:47:34,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-12-01 15:47:34,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/4b48e0bcb/96216b76eaa84bbc83ae59fd1edac72f/FLAGc8e9db674 [2020-12-01 15:47:35,357 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:47:35,357 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/sv-benchmarks/c/memsafety/test-0158-2.i [2020-12-01 15:47:35,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/4b48e0bcb/96216b76eaa84bbc83ae59fd1edac72f/FLAGc8e9db674 [2020-12-01 15:47:35,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/4b48e0bcb/96216b76eaa84bbc83ae59fd1edac72f [2020-12-01 15:47:35,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:47:35,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 15:47:35,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:47:35,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:47:35,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:47:35,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:35" (1/1) ... [2020-12-01 15:47:35,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7590b19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:35, skipping insertion in model container [2020-12-01 15:47:35,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:35" (1/1) ... [2020-12-01 15:47:35,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:47:35,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:47:36,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:47:36,131 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:47:36,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:47:36,283 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:47:36,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36 WrapperNode [2020-12-01 15:47:36,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:47:36,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:47:36,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:47:36,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:47:36,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... [2020-12-01 15:47:36,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:47:36,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:47:36,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:47:36,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:47:36,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 [2020-12-01 15:47:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-12-01 15:47:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:47:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 15:47:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-12-01 15:47:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-12-01 15:47:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-12-01 15:47:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-12-01 15:47:36,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-12-01 15:47:36,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-12-01 15:47:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-12-01 15:47:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-12-01 15:47:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-12-01 15:47:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-12-01 15:47:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 15:47:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:47:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-12-01 15:47:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-12-01 15:47:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-12-01 15:47:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-12-01 15:47:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-12-01 15:47:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-12-01 15:47:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-12-01 15:47:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-12-01 15:47:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-12-01 15:47:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-12-01 15:47:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-12-01 15:47:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-12-01 15:47:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-12-01 15:47:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-12-01 15:47:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-12-01 15:47:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-12-01 15:47:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-12-01 15:47:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-12-01 15:47:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-12-01 15:47:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-12-01 15:47:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-12-01 15:47:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-12-01 15:47:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-12-01 15:47:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-12-01 15:47:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-12-01 15:47:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-12-01 15:47:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-12-01 15:47:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-12-01 15:47:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-12-01 15:47:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-12-01 15:47:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-12-01 15:47:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-12-01 15:47:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-12-01 15:47:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-12-01 15:47:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-12-01 15:47:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-12-01 15:47:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-12-01 15:47:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-12-01 15:47:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-12-01 15:47:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-12-01 15:47:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-12-01 15:47:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-12-01 15:47:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-12-01 15:47:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-12-01 15:47:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-12-01 15:47:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-12-01 15:47:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-12-01 15:47:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-12-01 15:47:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-12-01 15:47:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-12-01 15:47:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-12-01 15:47:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-12-01 15:47:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-12-01 15:47:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-12-01 15:47:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-12-01 15:47:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-12-01 15:47:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-12-01 15:47:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-12-01 15:47:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-12-01 15:47:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-12-01 15:47:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-12-01 15:47:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-12-01 15:47:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-12-01 15:47:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-12-01 15:47:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-12-01 15:47:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-12-01 15:47:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-12-01 15:47:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-12-01 15:47:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-12-01 15:47:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-12-01 15:47:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-12-01 15:47:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-12-01 15:47:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-12-01 15:47:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-12-01 15:47:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-12-01 15:47:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-12-01 15:47:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-12-01 15:47:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-12-01 15:47:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-12-01 15:47:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-12-01 15:47:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-12-01 15:47:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-12-01 15:47:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-12-01 15:47:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-12-01 15:47:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-12-01 15:47:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-12-01 15:47:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-12-01 15:47:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-12-01 15:47:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-12-01 15:47:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-12-01 15:47:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-12-01 15:47:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-12-01 15:47:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-12-01 15:47:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-12-01 15:47:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-12-01 15:47:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-12-01 15:47:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-12-01 15:47:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-12-01 15:47:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-12-01 15:47:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-12-01 15:47:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-12-01 15:47:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-12-01 15:47:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-12-01 15:47:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-12-01 15:47:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-12-01 15:47:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-12-01 15:47:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-12-01 15:47:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:47:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:47:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:47:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:47:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-12-01 15:47:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:47:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:47:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:47:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:47:37,180 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:47:37,184 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-12-01 15:47:37,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:37 BoogieIcfgContainer [2020-12-01 15:47:37,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:47:37,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:47:37,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:47:37,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:47:37,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:47:35" (1/3) ... [2020-12-01 15:47:37,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2136a9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:37, skipping insertion in model container [2020-12-01 15:47:37,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:36" (2/3) ... [2020-12-01 15:47:37,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2136a9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:37, skipping insertion in model container [2020-12-01 15:47:37,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:37" (3/3) ... [2020-12-01 15:47:37,202 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-12-01 15:47:37,233 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:47:37,237 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-01 15:47:37,248 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-01 15:47:37,272 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:47:37,272 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-01 15:47:37,272 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:47:37,272 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:47:37,272 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:47:37,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:47:37,273 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:47:37,273 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:47:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-01 15:47:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:47:37,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:37,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:37,298 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash 666091848, now seen corresponding path program 1 times [2020-12-01 15:47:37,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:47:37,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121011597] [2020-12-01 15:47:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:47:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-12-01 15:47:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:37,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121011597] [2020-12-01 15:47:37,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:47:37,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:47:37,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797757424] [2020-12-01 15:47:37,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:47:37,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:47:37,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:47:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:47:37,612 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-12-01 15:47:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:47:37,680 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-12-01 15:47:37,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:47:37,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-01 15:47:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:47:37,691 INFO L225 Difference]: With dead ends: 18 [2020-12-01 15:47:37,691 INFO L226 Difference]: Without dead ends: 15 [2020-12-01 15:47:37,693 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 [2020-12-01 15:47:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-01 15:47:37,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-01 15:47:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-01 15:47:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-12-01 15:47:37,730 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-12-01 15:47:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:47:37,731 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-12-01 15:47:37,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:47:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-12-01 15:47:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:47:37,732 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:37,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:37,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:47:37,733 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:37,734 INFO L82 PathProgramCache]: Analyzing trace with hash 666091849, now seen corresponding path program 1 times [2020-12-01 15:47:37,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:47:37,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254803928] [2020-12-01 15:47:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:47:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-12-01 15:47:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:37,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254803928] [2020-12-01 15:47:37,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:47:37,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:47:37,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673545875] [2020-12-01 15:47:37,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:47:37,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:47:37,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:47:37,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:47:37,856 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-12-01 15:47:37,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:47:37,891 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-01 15:47:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:47:37,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-01 15:47:37,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:47:37,892 INFO L225 Difference]: With dead ends: 12 [2020-12-01 15:47:37,893 INFO L226 Difference]: Without dead ends: 12 [2020-12-01 15:47:37,894 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 [2020-12-01 15:47:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-01 15:47:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-01 15:47:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-01 15:47:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-01 15:47:37,897 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-12-01 15:47:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:47:37,898 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-01 15:47:37,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:47:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-01 15:47:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:47:37,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:37,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:37,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:47:37,899 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:37,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:37,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1176654068, now seen corresponding path program 1 times [2020-12-01 15:47:37,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:47:37,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570817750] [2020-12-01 15:47:37,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:47:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:47:37,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:47:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:47:37,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:47:38,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:47:38,032 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:47:38,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:47:38,047 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-12-01 15:47:38,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:47:38 BoogieIcfgContainer [2020-12-01 15:47:38,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:47:38,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:47:38,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:47:38,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:47:38,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:37" (3/4) ... [2020-12-01 15:47:38,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:47:38,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:47:38,068 INFO L168 Benchmark]: Toolchain (without parser) took 2414.84 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 74.9 MB in the beginning and 95.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,069 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:47:38,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.39 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 61.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,071 INFO L168 Benchmark]: Boogie Preprocessor took 69.23 ms. Allocated memory is still 100.7 MB. Free memory was 61.5 MB in the beginning and 59.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,072 INFO L168 Benchmark]: RCFGBuilder took 831.82 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 48.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,073 INFO L168 Benchmark]: TraceAbstraction took 868.88 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 48.7 MB in the beginning and 96.2 MB in the end (delta: -47.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,074 INFO L168 Benchmark]: Witness Printer took 5.52 ms. Allocated memory is still 123.7 MB. Free memory was 96.2 MB in the beginning and 95.3 MB in the end (delta: 950.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:38,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.39 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 61.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.23 ms. Allocated memory is still 100.7 MB. Free memory was 61.5 MB in the beginning and 59.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 831.82 ms. Allocated memory is still 100.7 MB. Free memory was 59.1 MB in the beginning and 48.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 868.88 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 48.7 MB in the beginning and 96.2 MB in the end (delta: -47.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.52 ms. Allocated memory is still 123.7 MB. Free memory was 96.2 MB in the beginning and 95.3 MB in the end (delta: 950.5 kB). Peak memory consumption was 2.1 MB. 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: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 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 0.2.0-69874e2 [2020-12-01 15:47:40,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:47:40,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:47:40,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:47:40,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:47:40,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:47:40,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:47:40,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:47:40,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:47:40,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:47:40,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:47:40,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:47:40,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:47:40,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:47:40,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:47:40,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:47:40,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:47:40,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:47:40,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:47:40,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:47:40,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:47:40,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:47:40,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:47:40,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:47:40,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:47:40,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:47:40,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:47:40,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:47:40,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:47:40,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:47:40,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:47:40,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:47:40,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:47:40,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:47:40,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:47:40,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:47:40,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:47:40,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:47:40,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:47:40,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:47:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:47:40,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-12-01 15:47:41,049 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:47:41,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:47:41,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:47:41,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:47:41,051 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:47:41,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:47:41,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:47:41,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:47:41,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:47:41,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:47:41,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:47:41,053 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 15:47:41,056 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 15:47:41,056 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 15:47:41,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:47:41,057 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 15:47:41,057 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:47:41,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:47:41,058 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:47:41,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:47:41,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:47:41,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:47:41,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:47:41,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:47:41,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:47:41,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:47:41,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:47:41,060 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:47:41,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:47:41,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:47:41,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:47:41,071 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_db677143-490f-4ac0-8003-d062affc882a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3baf3e1382b3477cfa26255004191fb506be280 [2020-12-01 15:47:41,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:47:41,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:47:41,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:47:41,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:47:41,586 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:47:41,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2020-12-01 15:47:41,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/9556ad15b/dca34f0745db41dca06d49e4af2b0634/FLAG1660744d5 [2020-12-01 15:47:42,311 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:47:42,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/sv-benchmarks/c/memsafety/test-0158-2.i [2020-12-01 15:47:42,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/9556ad15b/dca34f0745db41dca06d49e4af2b0634/FLAG1660744d5 [2020-12-01 15:47:42,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/bin/uautomizer/data/9556ad15b/dca34f0745db41dca06d49e4af2b0634 [2020-12-01 15:47:42,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:47:42,583 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 15:47:42,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:47:42,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:47:42,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:47:42,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:42" (1/1) ... [2020-12-01 15:47:42,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369fde13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:42, skipping insertion in model container [2020-12-01 15:47:42,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:47:42" (1/1) ... [2020-12-01 15:47:42,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:47:42,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:47:43,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:47:43,103 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:47:43,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:47:43,265 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:47:43,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43 WrapperNode [2020-12-01 15:47:43,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:47:43,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:47:43,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:47:43,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:47:43,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... [2020-12-01 15:47:43,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:47:43,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:47:43,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:47:43,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:47:43,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 [2020-12-01 15:47:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-12-01 15:47:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:47:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-12-01 15:47:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 15:47:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-12-01 15:47:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-12-01 15:47:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-12-01 15:47:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-12-01 15:47:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-12-01 15:47:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-12-01 15:47:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-12-01 15:47:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-12-01 15:47:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-12-01 15:47:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-12-01 15:47:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-12-01 15:47:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-12-01 15:47:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-12-01 15:47:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-12-01 15:47:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-12-01 15:47:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-12-01 15:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-12-01 15:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-12-01 15:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-12-01 15:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-12-01 15:47:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-12-01 15:47:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-12-01 15:47:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-12-01 15:47:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-12-01 15:47:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-12-01 15:47:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-12-01 15:47:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-12-01 15:47:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-12-01 15:47:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-12-01 15:47:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-12-01 15:47:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-12-01 15:47:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-12-01 15:47:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-12-01 15:47:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-12-01 15:47:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-12-01 15:47:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-12-01 15:47:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-12-01 15:47:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-12-01 15:47:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-12-01 15:47:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-12-01 15:47:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-12-01 15:47:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-12-01 15:47:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-12-01 15:47:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-12-01 15:47:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-12-01 15:47:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-12-01 15:47:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-12-01 15:47:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-12-01 15:47:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:47:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:47:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-01 15:47:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:47:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-12-01 15:47:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:47:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:47:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-12-01 15:47:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-01 15:47:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:47:44,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:47:44,200 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-12-01 15:47:44,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:44 BoogieIcfgContainer [2020-12-01 15:47:44,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:47:44,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:47:44,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:47:44,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:47:44,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:47:42" (1/3) ... [2020-12-01 15:47:44,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479234ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:44, skipping insertion in model container [2020-12-01 15:47:44,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:47:43" (2/3) ... [2020-12-01 15:47:44,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479234ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:47:44, skipping insertion in model container [2020-12-01 15:47:44,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:44" (3/3) ... [2020-12-01 15:47:44,211 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2020-12-01 15:47:44,228 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:47:44,232 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-01 15:47:44,246 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-01 15:47:44,292 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:47:44,292 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-01 15:47:44,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:47:44,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:47:44,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:47:44,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:47:44,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:47:44,293 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:47:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-01 15:47:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:47:44,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:44,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:44,316 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:44,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:44,323 INFO L82 PathProgramCache]: Analyzing trace with hash -632827618, now seen corresponding path program 1 times [2020-12-01 15:47:44,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:47:44,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827908965] [2020-12-01 15:47:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 [2020-12-01 15:47:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:44,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:47:44,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:47:44,721 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-01 15:47:44,722 INFO L382 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 [2020-12-01 15:47:44,738 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:47:44,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:47:44,756 INFO L547 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. [2020-12-01 15:47:44,757 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:13 [2020-12-01 15:47:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:44,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:47:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:44,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827908965] [2020-12-01 15:47:44,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:47:44,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:47:44,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747416813] [2020-12-01 15:47:44,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:47:44,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:47:44,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:47:44,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:47:44,847 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-12-01 15:47:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:47:44,920 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-12-01 15:47:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:47:44,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-01 15:47:44,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:47:44,929 INFO L225 Difference]: With dead ends: 18 [2020-12-01 15:47:44,929 INFO L226 Difference]: Without dead ends: 15 [2020-12-01 15:47:44,930 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 [2020-12-01 15:47:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-01 15:47:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-01 15:47:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-01 15:47:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-12-01 15:47:44,963 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2020-12-01 15:47:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:47:44,963 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-12-01 15:47:44,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:47:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-12-01 15:47:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 15:47:44,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:44,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:45,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:47:45,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:45,182 INFO L82 PathProgramCache]: Analyzing trace with hash -632827617, now seen corresponding path program 1 times [2020-12-01 15:47:45,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:47:45,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823042801] [2020-12-01 15:47:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 [2020-12-01 15:47:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:47:45,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:47:45,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:47:45,415 INFO L443 ElimStorePlain]: Different costs {0=[|v_#length_21|], 1=[|v_#valid_27|]} [2020-12-01 15:47:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 15:47:45,423 INFO L382 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 [2020-12-01 15:47:45,427 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:47:45,441 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:47:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 15:47:45,451 INFO L382 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 [2020-12-01 15:47:45,453 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:47:45,464 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:47:45,467 INFO L547 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. [2020-12-01 15:47:45,467 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2020-12-01 15:47:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:45,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:47:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:47:45,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823042801] [2020-12-01 15:47:45,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:47:45,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-12-01 15:47:45,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860667916] [2020-12-01 15:47:45,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:47:45,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:47:45,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:47:45,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:47:45,570 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2020-12-01 15:47:45,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:47:45,636 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-01 15:47:45,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:47:45,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-01 15:47:45,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:47:45,638 INFO L225 Difference]: With dead ends: 12 [2020-12-01 15:47:45,638 INFO L226 Difference]: Without dead ends: 12 [2020-12-01 15:47:45,639 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 [2020-12-01 15:47:45,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-01 15:47:45,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-01 15:47:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-01 15:47:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-01 15:47:45,642 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2020-12-01 15:47:45,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:47:45,643 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-01 15:47:45,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:47:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-01 15:47:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:47:45,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:47:45,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:47:45,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:47:45,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2020-12-01 15:47:45,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:47:45,855 INFO L82 PathProgramCache]: Analyzing trace with hash -509331102, now seen corresponding path program 1 times [2020-12-01 15:47:45,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:47:45,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413921706] [2020-12-01 15:47:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_db677143-490f-4ac0-8003-d062affc882a/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 [2020-12-01 15:47:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:47:46,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:47:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:47:46,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:47:46,193 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 15:47:46,193 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:47:46,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 15:47:46,403 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-12-01 15:47:46,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:47:46 BoogieIcfgContainer [2020-12-01 15:47:46,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:47:46,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:47:46,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:47:46,413 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:47:46,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:47:44" (3/4) ... [2020-12-01 15:47:46,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:47:46,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:47:46,418 INFO L168 Benchmark]: Toolchain (without parser) took 3834.15 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 36.1 MB in the beginning and 46.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:46,418 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:47:46,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.40 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 30.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:46,420 INFO L168 Benchmark]: Boogie Preprocessor took 57.91 ms. Allocated memory is still 58.7 MB. Free memory was 30.1 MB in the beginning and 27.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:46,421 INFO L168 Benchmark]: RCFGBuilder took 876.40 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 27.2 MB in the beginning and 42.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:46,421 INFO L168 Benchmark]: TraceAbstraction took 2208.81 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 42.3 MB in the beginning and 47.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:47:46,422 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 104.9 MB. Free memory was 47.5 MB in the beginning and 46.5 MB in the end (delta: 945.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:47:46,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.40 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 30.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.91 ms. Allocated memory is still 58.7 MB. Free memory was 30.1 MB in the beginning and 27.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 876.40 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 27.2 MB in the beginning and 42.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2208.81 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 42.3 MB in the beginning and 47.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.77 ms. Allocated memory is still 104.9 MB. Free memory was 47.5 MB in the beginning and 46.5 MB in the end (delta: 945.9 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: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 348 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...