./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7174a28ac52b04ed4de9f759628aa0f94f2add ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7174a28ac52b04ed4de9f759628aa0f94f2add .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:19,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:19,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:19,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:19,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:19,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:19,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:19,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:19,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:19,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:19,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:19,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:19,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:19,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:19,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:19,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:19,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:19,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:19,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:19,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:19,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:19,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:19,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:19,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:19,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:19,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:19,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:19,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:19,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:19,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:19,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:19,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:19,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:19,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:19,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:19,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:19,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:19,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:19,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:19,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:19,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:19,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:02:19,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:19,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:19,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:19,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:19,392 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:19,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:19,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:19,394 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:19,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:19,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:19,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:19,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:19,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:19,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:19,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:19,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:19,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:19,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:19,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:19,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:19,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:19,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-10-22 09:02:19,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:19,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:19,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:19,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:19,432 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:19,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-10-22 09:02:19,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/a25a8c972/ce27ed7d57b3470089648521886b4bf4/FLAG74c747518 [2019-10-22 09:02:19,912 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:19,912 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/sv-benchmarks/c/memsafety/test-0158-2.i [2019-10-22 09:02:19,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/a25a8c972/ce27ed7d57b3470089648521886b4bf4/FLAG74c747518 [2019-10-22 09:02:20,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/a25a8c972/ce27ed7d57b3470089648521886b4bf4 [2019-10-22 09:02:20,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:20,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:20,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:20,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:20,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:20,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10390afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20, skipping insertion in model container [2019-10-22 09:02:20,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:20,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:20,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:20,716 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:20,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:20,804 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:20,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20 WrapperNode [2019-10-22 09:02:20,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:20,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:20,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:20,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:20,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:20,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:20,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:20,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:20,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:02:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:02:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:21,234 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:21,234 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-22 09:02:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:21 BoogieIcfgContainer [2019-10-22 09:02:21,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:21,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:21,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:21,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:21,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:20" (1/3) ... [2019-10-22 09:02:21,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:21, skipping insertion in model container [2019-10-22 09:02:21,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20" (2/3) ... [2019-10-22 09:02:21,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651b156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:21, skipping insertion in model container [2019-10-22 09:02:21,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:21" (3/3) ... [2019-10-22 09:02:21,241 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-10-22 09:02:21,261 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:21,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-10-22 09:02:21,293 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-10-22 09:02:21,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:21,312 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:21,313 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:21,313 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:21,314 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:21,314 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:21,314 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:21,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-10-22 09:02:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:02:21,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:21,341 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:21,344 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:02:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242207, now seen corresponding path program 1 times [2019-10-22 09:02:21,359 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:21,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600371350] [2019-10-22 09:02:21,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:21,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600371350] [2019-10-22 09:02:21,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:21,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:21,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358701068] [2019-10-22 09:02:21,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:21,598 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:21,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:21,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:21,613 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2019-10-22 09:02:21,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:21,677 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-10-22 09:02:21,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:21,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:02:21,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:21,687 INFO L225 Difference]: With dead ends: 18 [2019-10-22 09:02:21,687 INFO L226 Difference]: Without dead ends: 15 [2019-10-22 09:02:21,689 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-22 09:02:21,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-22 09:02:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-22 09:02:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2019-10-22 09:02:21,719 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 7 [2019-10-22 09:02:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:21,719 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2019-10-22 09:02:21,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2019-10-22 09:02:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:02:21,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:21,720 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:21,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:02:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:21,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242208, now seen corresponding path program 1 times [2019-10-22 09:02:21,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:21,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551806550] [2019-10-22 09:02:21,722 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,722 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:21,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551806550] [2019-10-22 09:02:21,782 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:21,782 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:21,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646559889] [2019-10-22 09:02:21,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:21,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:21,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:21,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:21,784 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 4 states. [2019-10-22 09:02:21,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:21,836 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-10-22 09:02:21,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:21,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 09:02:21,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:21,837 INFO L225 Difference]: With dead ends: 12 [2019-10-22 09:02:21,837 INFO L226 Difference]: Without dead ends: 12 [2019-10-22 09:02:21,840 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-22 09:02:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-22 09:02:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 09:02:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-10-22 09:02:21,841 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2019-10-22 09:02:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:21,842 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-10-22 09:02:21,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-10-22 09:02:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:02:21,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:21,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:21,842 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:02:21,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:21,843 INFO L82 PathProgramCache]: Analyzing trace with hash 502608035, now seen corresponding path program 1 times [2019-10-22 09:02:21,843 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:21,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214806675] [2019-10-22 09:02:21,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:21,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:21,943 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:21,943 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:02:21,957 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-10-22 09:02:21,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:21 BoogieIcfgContainer [2019-10-22 09:02:21,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:21,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:21,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:21,970 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:21,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:21" (3/4) ... [2019-10-22 09:02:21,973 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:02:21,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:21,975 INFO L168 Benchmark]: Toolchain (without parser) took 1670.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -82.4 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:21,976 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:21,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:21,977 INFO L168 Benchmark]: Boogie Preprocessor took 48.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:21,978 INFO L168 Benchmark]: RCFGBuilder took 381.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:21,978 INFO L168 Benchmark]: TraceAbstraction took 733.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:21,979 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:21,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 499.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 381.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 733.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 512]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 512. Possible FailurePath: [L514-L521] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L522] data.p0 = malloc(37U) VAL [data={-1:0}, malloc(37U)={1:0}] [L523] data.str.p2 = &data VAL [data={-1:0}, malloc(37U)={1:0}] [L524] data.str.c[1] = sizeof data.str.p1 VAL [data={-1:0}, malloc(37U)={1:0}] [L525] return 0; [L525] return 0; VAL [\result=0, malloc(37U)={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 36 locations, 7 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 15 SDs, 0 SdLazy, 40 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:24,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:24,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:24,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:24,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:24,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:24,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:24,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:24,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:24,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:24,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:24,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:24,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:24,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:24,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:24,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:24,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:24,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:24,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:24,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:24,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:24,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:24,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:24,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:24,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:24,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:24,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:24,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:24,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:24,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:24,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:24,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:24,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:24,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:24,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:24,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:24,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:24,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:24,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:24,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:24,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:24,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 09:02:24,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:24,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:24,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:24,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:24,222 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:24,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:24,223 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:02:24,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:24,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:24,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:24,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:24,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:24,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:24,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:24,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:24,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:24,226 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:02:24,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:02:24,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:02:24,227 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-10-22 09:02:24,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:24,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:24,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:24,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:24,273 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:24,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-10-22 09:02:24,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/99624790a/5c0f5c6837464babafcf3286fc5bcf2a/FLAGfddec3239 [2019-10-22 09:02:24,801 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:24,802 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/sv-benchmarks/c/memsafety/test-0158-2.i [2019-10-22 09:02:24,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/99624790a/5c0f5c6837464babafcf3286fc5bcf2a/FLAGfddec3239 [2019-10-22 09:02:25,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/data/99624790a/5c0f5c6837464babafcf3286fc5bcf2a [2019-10-22 09:02:25,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:25,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:25,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:25,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:25,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:25,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a14e84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25, skipping insertion in model container [2019-10-22 09:02:25,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,129 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:25,171 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:25,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:25,455 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:25,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:25,616 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:25,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25 WrapperNode [2019-10-22 09:02:25,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:25,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:25,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:25,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:25,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:25,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:25,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:25,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:25,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:02:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:02:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:02:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 09:02:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 09:02:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:26,111 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:26,111 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-22 09:02:26,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:26 BoogieIcfgContainer [2019-10-22 09:02:26,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:26,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:26,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:26,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:26,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:25" (1/3) ... [2019-10-22 09:02:26,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0a6451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:26, skipping insertion in model container [2019-10-22 09:02:26,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (2/3) ... [2019-10-22 09:02:26,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0a6451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:26, skipping insertion in model container [2019-10-22 09:02:26,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:26" (3/3) ... [2019-10-22 09:02:26,119 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-10-22 09:02:26,128 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:26,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-10-22 09:02:26,145 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-10-22 09:02:26,164 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:26,164 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:26,164 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:26,164 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:26,164 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:26,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:26,165 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:26,165 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-10-22 09:02:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:02:26,187 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,188 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:26,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION]=== [2019-10-22 09:02:26,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1002242207, now seen corresponding path program 1 times [2019-10-22 09:02:26,207 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:26,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2025928090] [2019-10-22 09:02:26,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd4c2d1-9851-48d4-a793-f2b9be86bc22/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:02:26,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:02:26,428 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:02:26,433 INFO L168 Benchmark]: Toolchain (without parser) took 1319.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,433 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:26,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,437 INFO L168 Benchmark]: Boogie Preprocessor took 47.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,438 INFO L168 Benchmark]: RCFGBuilder took 446.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,438 INFO L168 Benchmark]: TraceAbstraction took 317.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:26,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 446.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 317.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...