./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_32_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_32_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 785ed349959f1abc1eb4632756cc34fb41a95eeddcafd1647140b9f9e93b43d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:56:34,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:56:34,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:56:34,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:56:34,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:56:34,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:56:34,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:56:34,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:56:34,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:56:34,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:56:34,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:56:34,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:56:34,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:56:34,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:56:34,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:56:34,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:56:34,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:56:34,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:56:34,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:56:34,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:56:34,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:56:34,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:56:34,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:56:34,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:56:34,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:56:34,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:56:34,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:56:34,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:56:34,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:56:34,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:56:34,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:56:34,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:56:34,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:56:34,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:56:34,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:56:34,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:56:34,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:56:34,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:56:34,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:56:34,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:56:34,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:56:34,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:56:35,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:56:35,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:56:35,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:56:35,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:56:35,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:56:35,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:56:35,004 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:56:35,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:56:35,004 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:56:35,004 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:56:35,006 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:56:35,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:56:35,006 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:56:35,007 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:56:35,007 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:56:35,007 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:56:35,007 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:56:35,008 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:56:35,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:56:35,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:56:35,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:56:35,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:56:35,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:56:35,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:56:35,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:56:35,012 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:56:35,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:56:35,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:56:35,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:56:35,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:56:35,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:56:35,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:56:35,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:56:35,015 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:56:35,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:56:35,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:56:35,016 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:56:35,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:56:35,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:56:35,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:56:35,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 785ed349959f1abc1eb4632756cc34fb41a95eeddcafd1647140b9f9e93b43d9 [2022-11-25 23:56:35,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:56:35,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:56:35,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:56:35,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:56:35,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:56:35,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_32_good.i [2022-11-25 23:56:38,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:56:39,159 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:56:39,160 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_32_good.i [2022-11-25 23:56:39,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/data/ae65cb6d1/2e795f5afcdc4cde85361ea217e71296/FLAG333769b96 [2022-11-25 23:56:39,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/data/ae65cb6d1/2e795f5afcdc4cde85361ea217e71296 [2022-11-25 23:56:39,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:56:39,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:56:39,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:56:39,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:56:39,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:56:39,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:56:39" (1/1) ... [2022-11-25 23:56:39,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f44676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:39, skipping insertion in model container [2022-11-25 23:56:39,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:56:39" (1/1) ... [2022-11-25 23:56:39,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:56:39,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:56:39,935 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:56:40,527 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:56:40,534 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:56:40,537 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:56:40,540 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:56:40,541 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:56:40,576 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:56:40,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:56:40,590 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:56:40,612 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:56:40,676 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:56:40,679 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:56:40,680 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:56:40,683 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:56:40,684 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:56:40,693 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:56:40,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:56:40,825 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:56:40,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40 WrapperNode [2022-11-25 23:56:40,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:56:40,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:56:40,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:56:40,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:56:40,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,905 INFO L138 Inliner]: procedures = 501, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-11-25 23:56:40,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:56:40,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:56:40,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:56:40,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:56:40,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:56:40,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:56:40,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:56:40,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:56:40,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (1/1) ... [2022-11-25 23:56:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:56:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:56:40,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:56:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:56:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:56:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:56:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:56:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:56:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:56:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:56:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:56:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:56:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:56:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:56:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:56:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:56:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:56:41,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:56:41,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:56:41,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:56:41,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:56:41,627 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:56:41,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:56:41 BoogieIcfgContainer [2022-11-25 23:56:41,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:56:41,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:56:41,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:56:41,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:56:41,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:56:39" (1/3) ... [2022-11-25 23:56:41,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c22c628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:56:41, skipping insertion in model container [2022-11-25 23:56:41,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:40" (2/3) ... [2022-11-25 23:56:41,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c22c628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:56:41, skipping insertion in model container [2022-11-25 23:56:41,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:56:41" (3/3) ... [2022-11-25 23:56:41,654 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_32_good.i [2022-11-25 23:56:41,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:56:41,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:56:41,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:56:41,771 INFO L357 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@21fff74f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:56:41,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:56:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:56:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:56:41,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:41,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:56:41,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:56:41,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:41,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1674833982, now seen corresponding path program 1 times [2022-11-25 23:56:41,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:41,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777683243] [2022-11-25 23:56:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:56:42,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:42,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777683243] [2022-11-25 23:56:42,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777683243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:42,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:42,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:56:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066523957] [2022-11-25 23:56:42,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:42,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:56:42,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:42,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:56:42,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:42,593 INFO L87 Difference]: Start difference. First operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:56:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:42,646 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-25 23:56:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:56:42,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-25 23:56:42,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:42,658 INFO L225 Difference]: With dead ends: 24 [2022-11-25 23:56:42,658 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 23:56:42,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:42,666 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:42,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:56:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 23:56:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 23:56:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:56:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-25 23:56:42,707 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 6 [2022-11-25 23:56:42,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:42,707 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-25 23:56:42,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:56:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-25 23:56:42,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:56:42,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:56:42,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:56:42,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:56:42,710 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 23:56:42,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:56:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash -134487424, now seen corresponding path program 1 times [2022-11-25 23:56:42,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:56:42,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530693286] [2022-11-25 23:56:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:56:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:56:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:56:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:56:43,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:56:43,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530693286] [2022-11-25 23:56:43,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530693286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:56:43,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:56:43,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:56:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825486891] [2022-11-25 23:56:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:56:43,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:56:43,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:56:43,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:56:43,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:43,024 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:56:43,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:56:43,052 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-25 23:56:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:56:43,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2022-11-25 23:56:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:56:43,059 INFO L225 Difference]: With dead ends: 16 [2022-11-25 23:56:43,059 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:56:43,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:56:43,062 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:56:43,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:56:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:56:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:56:43,065 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) [2022-11-25 23:56:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:56:43,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-25 23:56:43,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:56:43,066 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:56:43,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:56:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:56:43,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:56:43,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 23:56:43,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 23:56:43,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 23:56:43,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 23:56:43,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:56:43,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:56:43,099 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:56:43,099 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:56:43,099 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:56:43,100 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:56:43,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1562) no Hoare annotation was computed. [2022-11-25 23:56:43,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:56:43,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-25 23:56:43,101 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~2#1| 2) [2022-11-25 23:56:43,101 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-11-25 23:56:43,101 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-25 23:56:43,102 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-25 23:56:43,102 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1588) no Hoare annotation was computed. [2022-11-25 23:56:43,102 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~2#1| 2) [2022-11-25 23:56:43,103 INFO L895 garLoopResultBuilder]: At program point L1601-1(line 1601) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~2#1| 2) [2022-11-25 23:56:43,103 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-25 23:56:43,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1562) no Hoare annotation was computed. [2022-11-25 23:56:43,103 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-11-25 23:56:43,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-25 23:56:43,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:56:43,104 INFO L899 garLoopResultBuilder]: For program point L1562(line 1562) no Hoare annotation was computed. [2022-11-25 23:56:43,104 INFO L899 garLoopResultBuilder]: For program point L1562-1(line 1562) no Hoare annotation was computed. [2022-11-25 23:56:43,105 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~2#1| 2) [2022-11-25 23:56:43,105 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 1580 1588) no Hoare annotation was computed. [2022-11-25 23:56:43,105 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~2#1| 2) [2022-11-25 23:56:43,110 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:56:43,113 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:56:43,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:56:43 BoogieIcfgContainer [2022-11-25 23:56:43,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:56:43,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:56:43,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:56:43,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:56:43,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:56:41" (3/4) ... [2022-11-25 23:56:43,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:56:43,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:56:43,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:56:43,146 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-25 23:56:43,146 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 23:56:43,147 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:56:43,147 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:56:43,211 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:56:43,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:56:43,214 INFO L158 Benchmark]: Toolchain (without parser) took 3994.41ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 47.5MB in the end (delta: 60.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,215 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:56:43,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1603.04ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 67.6MB in the end (delta: 40.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 151.0MB. Free memory was 67.6MB in the beginning and 64.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,216 INFO L158 Benchmark]: Boogie Preprocessor took 36.44ms. Allocated memory is still 151.0MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,217 INFO L158 Benchmark]: RCFGBuilder took 687.15ms. Allocated memory is still 151.0MB. Free memory was 62.8MB in the beginning and 46.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,217 INFO L158 Benchmark]: TraceAbstraction took 1496.26ms. Allocated memory is still 151.0MB. Free memory was 45.4MB in the beginning and 50.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:56:43,217 INFO L158 Benchmark]: Witness Printer took 83.26ms. Allocated memory is still 151.0MB. Free memory was 50.5MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:56:43,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1603.04ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 67.6MB in the end (delta: 40.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 151.0MB. Free memory was 67.6MB in the beginning and 64.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.44ms. Allocated memory is still 151.0MB. Free memory was 64.3MB in the beginning and 62.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.15ms. Allocated memory is still 151.0MB. Free memory was 62.8MB in the beginning and 46.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1496.26ms. Allocated memory is still 151.0MB. Free memory was 45.4MB in the beginning and 50.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.26ms. Allocated memory is still 151.0MB. Free memory was 50.5MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 1562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:56:43,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2388137f-47db-4538-944b-385962118280/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE