./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5a281f9631a62a08c6928334ef6ea60eabb7bbadcb2bd7487e60124ebe01585 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:11:11,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:11:11,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:11:11,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:11:11,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:11:11,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:11:11,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:11:11,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:11:11,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:11:11,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:11:11,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:11:11,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:11:11,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:11:11,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:11:11,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:11:11,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:11:11,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:11:11,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:11:11,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:11:11,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:11:11,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:11:11,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:11:11,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:11:11,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:11:11,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:11:11,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:11:11,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:11:11,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:11:11,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:11:11,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:11:11,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:11:11,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:11:11,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:11:11,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:11:11,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:11:11,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:11:11,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:11:11,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:11:11,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:11:11,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:11:11,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:11:11,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 05:11:12,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:11:12,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:11:12,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:11:12,017 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:11:12,018 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:11:12,018 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:11:12,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:11:12,018 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:11:12,019 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:11:12,019 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:11:12,019 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:11:12,020 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:11:12,020 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:11:12,020 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:11:12,031 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:11:12,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:11:12,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:11:12,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:11:12,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:11:12,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:11:12,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:11:12,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:11:12,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:11:12,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:11:12,035 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:11:12,035 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:11:12,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:11:12,035 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:11:12,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:11:12,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:11:12,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:11:12,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:11:12,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:11:12,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:11:12,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:11:12,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:11:12,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:11:12,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:11:12,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:11:12,038 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5a281f9631a62a08c6928334ef6ea60eabb7bbadcb2bd7487e60124ebe01585 [2021-10-29 05:11:12,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:11:12,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:11:12,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:11:12,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:11:12,293 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:11:12,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-10-29 05:11:12,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/data/473e27e0e/73efa7dc738c416ca4b1719abcf1c22c/FLAG06fc8ba74 [2021-10-29 05:11:12,790 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:11:12,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-10-29 05:11:12,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/data/473e27e0e/73efa7dc738c416ca4b1719abcf1c22c/FLAG06fc8ba74 [2021-10-29 05:11:13,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/data/473e27e0e/73efa7dc738c416ca4b1719abcf1c22c [2021-10-29 05:11:13,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:11:13,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:11:13,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:11:13,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:11:13,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:11:13,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562ed48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13, skipping insertion in model container [2021-10-29 05:11:13,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:11:13,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:11:13,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:11:13,447 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:11:13,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:11:13,527 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:11:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13 WrapperNode [2021-10-29 05:11:13,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:11:13,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:11:13,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:11:13,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:11:13,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:11:13,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:11:13,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:11:13,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:11:13,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:11:13,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:11:13,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:11:13,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:11:13,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (1/1) ... [2021-10-29 05:11:13,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:11:13,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:11:13,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:11:13,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 05:11:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 05:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:11:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:11:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:11:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:11:14,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:11:14,707 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 05:11:14,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:14 BoogieIcfgContainer [2021-10-29 05:11:14,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:11:14,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:11:14,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:11:14,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:11:14,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:11:13" (1/3) ... [2021-10-29 05:11:14,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e77c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:11:14, skipping insertion in model container [2021-10-29 05:11:14,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:11:13" (2/3) ... [2021-10-29 05:11:14,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e77c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:11:14, skipping insertion in model container [2021-10-29 05:11:14,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:14" (3/3) ... [2021-10-29 05:11:14,718 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2021-10-29 05:11:14,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:11:14,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-10-29 05:11:14,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:11:14,776 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:11:14,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-10-29 05:11:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 123 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 05:11:14,800 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:14,801 INFO L513 BasicCegarLoop]: trace histogram [1, 1] [2021-10-29 05:11:14,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-29 05:11:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:14,807 INFO L85 PathProgramCache]: Analyzing trace with hash 5956, now seen corresponding path program 1 times [2021-10-29 05:11:14,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:11:14,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614490006] [2021-10-29 05:11:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:14,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:11:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:15,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:11:15,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614490006] [2021-10-29 05:11:15,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614490006] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:15,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:15,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:11:15,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635898014] [2021-10-29 05:11:15,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:11:15,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:11:15,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:11:15,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,050 INFO L87 Difference]: Start difference. First operand has 124 states, 42 states have (on average 2.9285714285714284) internal successors, (123), 123 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:15,276 INFO L93 Difference]: Finished difference Result 84 states and 83 transitions. [2021-10-29 05:11:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:11:15,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-29 05:11:15,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:15,286 INFO L225 Difference]: With dead ends: 84 [2021-10-29 05:11:15,287 INFO L226 Difference]: Without dead ends: 83 [2021-10-29 05:11:15,288 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-29 05:11:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-29 05:11:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 82 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 82 transitions. [2021-10-29 05:11:15,323 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 82 transitions. Word has length 2 [2021-10-29 05:11:15,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:15,324 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 82 transitions. [2021-10-29 05:11:15,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions. [2021-10-29 05:11:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 05:11:15,325 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:15,325 INFO L513 BasicCegarLoop]: trace histogram [1, 1] [2021-10-29 05:11:15,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:11:15,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-29 05:11:15,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:15,326 INFO L85 PathProgramCache]: Analyzing trace with hash 5957, now seen corresponding path program 1 times [2021-10-29 05:11:15,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:11:15,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604501135] [2021-10-29 05:11:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:15,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:11:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:15,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:11:15,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604501135] [2021-10-29 05:11:15,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604501135] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:15,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:15,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:11:15,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114427902] [2021-10-29 05:11:15,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:11:15,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:11:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:11:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,474 INFO L87 Difference]: Start difference. First operand 83 states and 82 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:15,587 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2021-10-29 05:11:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:11:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-29 05:11:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:15,589 INFO L225 Difference]: With dead ends: 43 [2021-10-29 05:11:15,589 INFO L226 Difference]: Without dead ends: 43 [2021-10-29 05:11:15,590 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-29 05:11:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-29 05:11:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.0) internal successors, (42), 42 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2021-10-29 05:11:15,595 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 2 [2021-10-29 05:11:15,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:15,596 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2021-10-29 05:11:15,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2021-10-29 05:11:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 05:11:15,598 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:11:15,598 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:11:15,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:11:15,599 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 77 more)] === [2021-10-29 05:11:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:11:15,599 INFO L85 PathProgramCache]: Analyzing trace with hash 583292792, now seen corresponding path program 1 times [2021-10-29 05:11:15,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:11:15,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116895270] [2021-10-29 05:11:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:11:15,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:11:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:11:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:11:15,857 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:11:15,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116895270] [2021-10-29 05:11:15,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116895270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:11:15,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:11:15,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:11:15,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267364168] [2021-10-29 05:11:15,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:11:15,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:11:15,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:11:15,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,861 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:11:15,926 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-10-29 05:11:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:11:15,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-29 05:11:15,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:11:15,929 INFO L225 Difference]: With dead ends: 42 [2021-10-29 05:11:15,929 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:11:15,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:11:15,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:11:15,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:11:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:11:15,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-10-29 05:11:15,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:11:15,932 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:11:15,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:11:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:11:15,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:11:15,935 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-29 05:11:15,936 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-29 05:11:15,936 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-29 05:11:15,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-29 05:11:15,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-29 05:11:15,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-29 05:11:15,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-29 05:11:15,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-29 05:11:15,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-29 05:11:15,939 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-29 05:11:15,943 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-29 05:11:15,943 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-29 05:11:15,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-29 05:11:15,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-29 05:11:15,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-29 05:11:15,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-29 05:11:15,945 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-29 05:11:15,945 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-29 05:11:15,945 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-29 05:11:15,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-29 05:11:15,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20REQUIRES_VIOLATION [2021-10-29 05:11:15,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21REQUIRES_VIOLATION [2021-10-29 05:11:15,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22REQUIRES_VIOLATION [2021-10-29 05:11:15,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23REQUIRES_VIOLATION [2021-10-29 05:11:15,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24REQUIRES_VIOLATION [2021-10-29 05:11:15,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25REQUIRES_VIOLATION [2021-10-29 05:11:15,949 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26REQUIRES_VIOLATION [2021-10-29 05:11:15,949 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27REQUIRES_VIOLATION [2021-10-29 05:11:15,949 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28REQUIRES_VIOLATION [2021-10-29 05:11:15,949 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29REQUIRES_VIOLATION [2021-10-29 05:11:15,950 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30REQUIRES_VIOLATION [2021-10-29 05:11:15,950 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31REQUIRES_VIOLATION [2021-10-29 05:11:15,950 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32REQUIRES_VIOLATION [2021-10-29 05:11:15,950 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33REQUIRES_VIOLATION [2021-10-29 05:11:15,951 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34REQUIRES_VIOLATION [2021-10-29 05:11:15,951 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35REQUIRES_VIOLATION [2021-10-29 05:11:15,952 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36REQUIRES_VIOLATION [2021-10-29 05:11:15,952 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37REQUIRES_VIOLATION [2021-10-29 05:11:15,953 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38REQUIRES_VIOLATION [2021-10-29 05:11:15,954 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39REQUIRES_VIOLATION [2021-10-29 05:11:15,954 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40REQUIRES_VIOLATION [2021-10-29 05:11:15,954 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41REQUIRES_VIOLATION [2021-10-29 05:11:15,955 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42REQUIRES_VIOLATION [2021-10-29 05:11:15,955 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43REQUIRES_VIOLATION [2021-10-29 05:11:15,955 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44REQUIRES_VIOLATION [2021-10-29 05:11:15,955 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45REQUIRES_VIOLATION [2021-10-29 05:11:15,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46REQUIRES_VIOLATION [2021-10-29 05:11:15,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47REQUIRES_VIOLATION [2021-10-29 05:11:15,956 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48REQUIRES_VIOLATION [2021-10-29 05:11:15,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49REQUIRES_VIOLATION [2021-10-29 05:11:15,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50REQUIRES_VIOLATION [2021-10-29 05:11:15,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51REQUIRES_VIOLATION [2021-10-29 05:11:15,957 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52REQUIRES_VIOLATION [2021-10-29 05:11:15,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53REQUIRES_VIOLATION [2021-10-29 05:11:15,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54REQUIRES_VIOLATION [2021-10-29 05:11:15,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55REQUIRES_VIOLATION [2021-10-29 05:11:15,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56REQUIRES_VIOLATION [2021-10-29 05:11:15,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57REQUIRES_VIOLATION [2021-10-29 05:11:15,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58REQUIRES_VIOLATION [2021-10-29 05:11:15,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59REQUIRES_VIOLATION [2021-10-29 05:11:15,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60REQUIRES_VIOLATION [2021-10-29 05:11:15,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61REQUIRES_VIOLATION [2021-10-29 05:11:15,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62REQUIRES_VIOLATION [2021-10-29 05:11:15,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63REQUIRES_VIOLATION [2021-10-29 05:11:15,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64REQUIRES_VIOLATION [2021-10-29 05:11:15,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65REQUIRES_VIOLATION [2021-10-29 05:11:15,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66REQUIRES_VIOLATION [2021-10-29 05:11:15,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67REQUIRES_VIOLATION [2021-10-29 05:11:15,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68REQUIRES_VIOLATION [2021-10-29 05:11:15,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69REQUIRES_VIOLATION [2021-10-29 05:11:15,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70REQUIRES_VIOLATION [2021-10-29 05:11:15,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71REQUIRES_VIOLATION [2021-10-29 05:11:15,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72REQUIRES_VIOLATION [2021-10-29 05:11:15,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73REQUIRES_VIOLATION [2021-10-29 05:11:15,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74REQUIRES_VIOLATION [2021-10-29 05:11:15,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75REQUIRES_VIOLATION [2021-10-29 05:11:15,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76REQUIRES_VIOLATION [2021-10-29 05:11:15,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77REQUIRES_VIOLATION [2021-10-29 05:11:15,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78REQUIRES_VIOLATION [2021-10-29 05:11:15,964 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79REQUIRES_VIOLATION [2021-10-29 05:11:15,965 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:11:15,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 05:11:15,968 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-29 05:11:15,971 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:11:15,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:11:15 BoogieIcfgContainer [2021-10-29 05:11:15,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:11:15,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:11:15,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:11:15,975 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:11:15,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:11:14" (3/4) ... [2021-10-29 05:11:15,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:11:15,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2021-10-29 05:11:15,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 05:11:15,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 05:11:15,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:11:16,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:11:16,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:11:16,122 INFO L168 Benchmark]: Toolchain (without parser) took 2935.59 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 60.7 MB in the beginning and 74.3 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,125 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:11:16,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.48 ms. Allocated memory is still 107.0 MB. Free memory was 60.5 MB in the beginning and 79.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.94 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 76.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,126 INFO L168 Benchmark]: Boogie Preprocessor took 43.81 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 73.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,132 INFO L168 Benchmark]: RCFGBuilder took 1071.40 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.5 MB in the beginning and 101.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,133 INFO L168 Benchmark]: TraceAbstraction took 1263.45 ms. Allocated memory is still 130.0 MB. Free memory was 100.9 MB in the beginning and 89.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,133 INFO L168 Benchmark]: Witness Printer took 145.51 ms. Allocated memory is still 130.0 MB. Free memory was 89.9 MB in the beginning and 74.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:11:16,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 76.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.48 ms. Allocated memory is still 107.0 MB. Free memory was 60.5 MB in the beginning and 79.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.94 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 76.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.81 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 73.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1071.40 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.5 MB in the beginning and 101.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1263.45 ms. Allocated memory is still 130.0 MB. Free memory was 100.9 MB in the beginning and 89.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 145.51 ms. Allocated memory is still 130.0 MB. Free memory was 89.9 MB in the beginning and 74.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 123 SDslu, 0 SDs, 0 SdLazy, 162 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:11:16,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966482ec-d8d0-45d6-9b97-5ebef74aec0f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...