./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan --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 40aebfbfcf1ace3ae19699b445fb033c37125741 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 07:41:59,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:41:59,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:41:59,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:41:59,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:41:59,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:41:59,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:41:59,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:41:59,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:41:59,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:41:59,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:41:59,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:41:59,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:41:59,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:41:59,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:41:59,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:41:59,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:41:59,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:41:59,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:41:59,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:41:59,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:41:59,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:41:59,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:41:59,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:41:59,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:41:59,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:41:59,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:41:59,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:41:59,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:41:59,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:41:59,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:41:59,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:41:59,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:41:59,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:41:59,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:41:59,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:41:59,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:41:59,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:41:59,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:41:59,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:41:59,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:41:59,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 07:41:59,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:41:59,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:41:59,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:41:59,370 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:41:59,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:41:59,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 07:41:59,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 07:41:59,372 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 07:41:59,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 07:41:59,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 07:41:59,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:41:59,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:41:59,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:41:59,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:41:59,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:41:59,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 07:41:59,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 07:41:59,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:41:59,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:41:59,375 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-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40aebfbfcf1ace3ae19699b445fb033c37125741 [2020-12-09 07:41:59,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:41:59,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:41:59,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:41:59,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:41:59,578 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:41:59,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2020-12-09 07:41:59,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/data/12b2ab3f5/0d00a69b7ab14800bd1f985c63d3ae9a/FLAG6dece3ce5 [2020-12-09 07:41:59,996 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:41:59,997 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2020-12-09 07:42:00,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/data/12b2ab3f5/0d00a69b7ab14800bd1f985c63d3ae9a/FLAG6dece3ce5 [2020-12-09 07:42:00,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/data/12b2ab3f5/0d00a69b7ab14800bd1f985c63d3ae9a [2020-12-09 07:42:00,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:42:00,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:42:00,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:42:00,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:42:00,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:42:00,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00, skipping insertion in model container [2020-12-09 07:42:00,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:42:00,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:42:00,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:42:00,158 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:42:00,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:42:00,199 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:42:00,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00 WrapperNode [2020-12-09 07:42:00,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:42:00,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:42:00,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:42:00,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:42:00,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:42:00,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:42:00,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:42:00,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:42:00,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... [2020-12-09 07:42:00,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:42:00,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:42:00,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:42:00,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:42:00,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:42:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 07:42:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 07:42:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:42:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:42:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 07:42:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 07:42:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 07:42:00,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:42:00,956 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-09 07:42:00,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:42:00 BoogieIcfgContainer [2020-12-09 07:42:00,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:42:00,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:42:00,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:42:00,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:42:00,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:42:00" (1/3) ... [2020-12-09 07:42:00,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11218e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:42:00, skipping insertion in model container [2020-12-09 07:42:00,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:42:00" (2/3) ... [2020-12-09 07:42:00,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11218e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:42:00, skipping insertion in model container [2020-12-09 07:42:00,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:42:00" (3/3) ... [2020-12-09 07:42:00,967 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization2.c [2020-12-09 07:42:00,981 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:42:00,984 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2020-12-09 07:42:00,993 INFO L253 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2020-12-09 07:42:01,010 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:42:01,010 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 07:42:01,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:42:01,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:42:01,011 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:42:01,011 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:42:01,011 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:42:01,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:42:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-09 07:42:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-09 07:42:01,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:42:01,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-12-09 07:42:01,031 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-09 07:42:01,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:42:01,035 INFO L82 PathProgramCache]: Analyzing trace with hash 6049, now seen corresponding path program 1 times [2020-12-09 07:42:01,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:42:01,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84073540] [2020-12-09 07:42:01,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:42:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:42:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:42:01,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84073540] [2020-12-09 07:42:01,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:42:01,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:42:01,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53518736] [2020-12-09 07:42:01,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:42:01,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:42:01,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:42:01,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:42:01,230 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-12-09 07:42:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:42:01,393 INFO L93 Difference]: Finished difference Result 84 states and 83 transitions. [2020-12-09 07:42:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:42:01,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2020-12-09 07:42:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:42:01,402 INFO L225 Difference]: With dead ends: 84 [2020-12-09 07:42:01,403 INFO L226 Difference]: Without dead ends: 83 [2020-12-09 07:42:01,404 INFO L677 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 [2020-12-09 07:42:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-09 07:42:01,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-09 07:42:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-09 07:42:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 82 transitions. [2020-12-09 07:42:01,434 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 82 transitions. Word has length 2 [2020-12-09 07:42:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:42:01,434 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 82 transitions. [2020-12-09 07:42:01,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:42:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions. [2020-12-09 07:42:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-09 07:42:01,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:42:01,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-12-09 07:42:01,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 07:42:01,435 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-09 07:42:01,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:42:01,436 INFO L82 PathProgramCache]: Analyzing trace with hash 6050, now seen corresponding path program 1 times [2020-12-09 07:42:01,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:42:01,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446189295] [2020-12-09 07:42:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:42:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:42:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:42:01,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446189295] [2020-12-09 07:42:01,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:42:01,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:42:01,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016102409] [2020-12-09 07:42:01,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:42:01,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:42:01,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:42:01,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:42:01,510 INFO L87 Difference]: Start difference. First operand 83 states and 82 transitions. Second operand 3 states. [2020-12-09 07:42:01,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:42:01,623 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2020-12-09 07:42:01,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:42:01,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2020-12-09 07:42:01,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:42:01,625 INFO L225 Difference]: With dead ends: 43 [2020-12-09 07:42:01,625 INFO L226 Difference]: Without dead ends: 43 [2020-12-09 07:42:01,626 INFO L677 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 [2020-12-09 07:42:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-09 07:42:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-09 07:42:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-09 07:42:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2020-12-09 07:42:01,630 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 2 [2020-12-09 07:42:01,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:42:01,630 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2020-12-09 07:42:01,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:42:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2020-12-09 07:42:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-09 07:42:01,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:42:01,632 INFO L422 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] [2020-12-09 07:42:01,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 07:42:01,632 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION]=== [2020-12-09 07:42:01,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:42:01,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1833375281, now seen corresponding path program 1 times [2020-12-09 07:42:01,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 07:42:01,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380924916] [2020-12-09 07:42:01,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 07:42:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:42:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:42:01,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380924916] [2020-12-09 07:42:01,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:42:01,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 07:42:01,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403555965] [2020-12-09 07:42:01,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:42:01,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 07:42:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:42:01,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:42:01,727 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 3 states. [2020-12-09 07:42:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:42:01,770 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2020-12-09 07:42:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:42:01,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-09 07:42:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:42:01,771 INFO L225 Difference]: With dead ends: 42 [2020-12-09 07:42:01,771 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:42:01,771 INFO L677 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 [2020-12-09 07:42:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:42:01,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:42:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:42:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:42:01,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2020-12-09 07:42:01,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:42:01,771 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:42:01,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:42:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:42:01,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:42:01,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 07:42:01,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:42:01 BoogieIcfgContainer [2020-12-09 07:42:01,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:42:01,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:42:01,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:42:01,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:42:01,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:42:00" (3/4) ... [2020-12-09 07:42:01,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:42:01,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-12-09 07:42:01,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 07:42:01,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 07:42:01,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:42:01,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_53f7ff0e-d2ba-4c2a-92ee-2491c867ec55/bin/utaipan/witness.graphml [2020-12-09 07:42:01,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:42:01,865 INFO L168 Benchmark]: Toolchain (without parser) took 1849.47 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 44.4 MB in the beginning and 74.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,865 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:42:01,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.63 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 54.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.84 ms. Allocated memory is still 83.9 MB. Free memory was 54.5 MB in the beginning and 51.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,865 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 48.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,866 INFO L168 Benchmark]: RCFGBuilder took 693.62 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 67.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,866 INFO L168 Benchmark]: TraceAbstraction took 814.96 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 44.0 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,866 INFO L168 Benchmark]: Witness Printer took 87.66 ms. Allocated memory is still 104.9 MB. Free memory was 44.0 MB in the beginning and 74.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:42:01,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 183.63 ms. Allocated memory is still 83.9 MB. Free memory was 44.1 MB in the beginning and 54.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.84 ms. Allocated memory is still 83.9 MB. Free memory was 54.5 MB in the beginning and 51.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 48.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 693.62 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 67.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 814.96 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 44.0 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 87.66 ms. Allocated memory is still 104.9 MB. Free memory was 44.0 MB in the beginning and 74.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - 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 - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 81 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 5060 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...