./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh --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 ead411554e790e6512b2da53e2ca8cc67c50f544f00b941c54ce9208a83bb0be --- 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-2329fc7 [2022-12-14 06:25:55,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:25:55,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:25:55,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:25:55,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:25:55,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:25:55,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:25:55,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:25:55,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:25:55,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:25:55,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:25:55,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:25:55,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:25:55,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:25:55,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:25:55,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:25:55,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:25:55,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:25:55,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:25:55,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:25:55,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:25:55,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:25:55,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:25:55,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:25:55,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:25:55,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:25:55,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:25:55,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:25:55,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:25:55,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:25:55,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:25:55,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:25:55,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:25:55,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:25:55,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:25:55,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:25:55,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:25:55,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:25:55,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:25:55,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:25:55,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:25:55,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:25:55,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:25:55,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:25:55,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:25:55,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:25:55,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:25:55,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:25:55,896 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:25:55,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:25:55,897 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:25:55,897 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:25:55,897 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:25:55,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:25:55,897 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:25:55,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:25:55,898 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:25:55,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:25:55,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:25:55,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:25:55,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:25:55,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:25:55,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:25:55,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:25:55,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:25:55,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:25:55,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:25:55,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:25:55,901 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_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ead411554e790e6512b2da53e2ca8cc67c50f544f00b941c54ce9208a83bb0be [2022-12-14 06:25:56,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:25:56,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:25:56,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:25:56,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:25:56,112 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:25:56,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_21_good.i [2022-12-14 06:25:58,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:25:59,070 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:25:59,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_21_good.i [2022-12-14 06:25:59,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/data/9cd0e55f8/8916a16e6d2a480e8ffc379de78d2578/FLAG3fc041321 [2022-12-14 06:25:59,101 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/data/9cd0e55f8/8916a16e6d2a480e8ffc379de78d2578 [2022-12-14 06:25:59,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:25:59,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:25:59,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:25:59,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:25:59,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:25:59,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250b0104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59, skipping insertion in model container [2022-12-14 06:25:59,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:25:59,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:25:59,394 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:25:59,670 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:25:59,674 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:25:59,676 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:25:59,678 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:25:59,678 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:25:59,697 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 06:25:59,701 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 06:25:59,707 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:25:59,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:25:59,716 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:25:59,729 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:25:59,759 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:25:59,760 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:25:59,761 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:25:59,763 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:25:59,763 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:25:59,767 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 06:25:59,769 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 06:25:59,771 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:25:59,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:25:59,875 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:25:59,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59 WrapperNode [2022-12-14 06:25:59,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:25:59,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:25:59,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:25:59,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:25:59,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,916 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 113 [2022-12-14 06:25:59,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:25:59,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:25:59,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:25:59,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:25:59,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,934 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:25:59,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:25:59,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:25:59,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:25:59,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (1/1) ... [2022-12-14 06:25:59,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:25:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:25:59,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:25:59,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:25:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 06:25:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 06:25:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 06:25:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:25:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:25:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:25:59,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:25:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:26:00,119 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:26:00,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:26:00,271 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:26:00,297 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:26:00,297 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:26:00,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:00 BoogieIcfgContainer [2022-12-14 06:26:00,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:26:00,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:26:00,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:26:00,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:26:00,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:25:59" (1/3) ... [2022-12-14 06:26:00,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d7b698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:00, skipping insertion in model container [2022-12-14 06:26:00,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:59" (2/3) ... [2022-12-14 06:26:00,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d7b698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:00, skipping insertion in model container [2022-12-14 06:26:00,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:00" (3/3) ... [2022-12-14 06:26:00,306 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_21_good.i [2022-12-14 06:26:00,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:26:00,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 06:26:00,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:26:00,372 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;@69e14eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:26:00,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 06:26:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 23 states have (on average 1.565217391304348) internal successors, (36), 36 states have internal predecessors, (36), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 06:26:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:26:00,382 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:00,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:00,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:00,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:00,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1814951372, now seen corresponding path program 1 times [2022-12-14 06:26:00,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:00,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818367500] [2022-12-14 06:26:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:26:00,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:00,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818367500] [2022-12-14 06:26:00,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818367500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:00,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:00,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:26:00,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585235079] [2022-12-14 06:26:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:00,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:00,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:00,674 INFO L87 Difference]: Start difference. First operand has 42 states, 23 states have (on average 1.565217391304348) internal successors, (36), 36 states have internal predecessors, (36), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-12-14 06:26:00,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:00,765 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2022-12-14 06:26:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:26:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2022-12-14 06:26:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:00,773 INFO L225 Difference]: With dead ends: 42 [2022-12-14 06:26:00,773 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 06:26:00,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:26:00,777 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 58 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:00,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 110 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 06:26:00,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-14 06:26:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 31 states have internal predecessors, (31), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 06:26:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2022-12-14 06:26:00,806 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 10 [2022-12-14 06:26:00,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:00,807 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-12-14 06:26:00,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-12-14 06:26:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-12-14 06:26:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:26:00,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:00,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:00,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:26:00,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:00,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash -428917619, now seen corresponding path program 1 times [2022-12-14 06:26:00,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:00,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124984321] [2022-12-14 06:26:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:00,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:26:00,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:00,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124984321] [2022-12-14 06:26:00,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124984321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:00,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:00,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:26:00,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052575559] [2022-12-14 06:26:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:00,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:00,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:00,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:00,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:00,875 INFO L87 Difference]: Start difference. First operand 36 states and 47 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, (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) [2022-12-14 06:26:00,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:00,897 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2022-12-14 06:26:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:00,897 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, (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 11 [2022-12-14 06:26:00,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:00,898 INFO L225 Difference]: With dead ends: 36 [2022-12-14 06:26:00,898 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 06:26:00,898 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 [2022-12-14 06:26:00,899 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:00,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 06:26:00,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 06:26:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 30 states have internal predecessors, (30), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 06:26:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-12-14 06:26:00,905 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 11 [2022-12-14 06:26:00,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:00,905 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-12-14 06:26:00,905 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, (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) [2022-12-14 06:26:00,905 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-12-14 06:26:00,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:26:00,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:00,906 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:00,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:26:00,906 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:00,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1186255382, now seen corresponding path program 1 times [2022-12-14 06:26:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:00,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651273781] [2022-12-14 06:26:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:00,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:00,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:00,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651273781] [2022-12-14 06:26:00,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651273781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:00,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:00,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:26:00,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190738192] [2022-12-14 06:26:00,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:00,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:00,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:00,954 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:26:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:00,972 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-12-14 06:26:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-12-14 06:26:00,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:00,973 INFO L225 Difference]: With dead ends: 57 [2022-12-14 06:26:00,973 INFO L226 Difference]: Without dead ends: 34 [2022-12-14 06:26:00,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:00,974 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:00,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 37 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-14 06:26:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-14 06:26:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.380952380952381) internal successors, (29), 29 states have internal predecessors, (29), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 06:26:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-12-14 06:26:00,979 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 17 [2022-12-14 06:26:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:00,979 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-12-14 06:26:00,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:26:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-12-14 06:26:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 06:26:00,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:00,980 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:00,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:26:00,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 146920987, now seen corresponding path program 1 times [2022-12-14 06:26:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:00,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441041953] [2022-12-14 06:26:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:01,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:01,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441041953] [2022-12-14 06:26:01,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441041953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:01,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:01,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:26:01,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102997033] [2022-12-14 06:26:01,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:01,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:01,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:01,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:01,091 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-12-14 06:26:01,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:01,142 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-12-14 06:26:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:26:01,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 18 [2022-12-14 06:26:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:01,143 INFO L225 Difference]: With dead ends: 34 [2022-12-14 06:26:01,143 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 06:26:01,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:26:01,145 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:01,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 105 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 06:26:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 06:26:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 28 states have internal predecessors, (28), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 06:26:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-12-14 06:26:01,150 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 18 [2022-12-14 06:26:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:01,151 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-12-14 06:26:01,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-12-14 06:26:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-12-14 06:26:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:26:01,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:01,151 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:01,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:26:01,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:01,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:01,152 INFO L85 PathProgramCache]: Analyzing trace with hash 260055755, now seen corresponding path program 1 times [2022-12-14 06:26:01,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:01,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682540348] [2022-12-14 06:26:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:01,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682540348] [2022-12-14 06:26:01,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682540348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:01,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:01,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:26:01,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932601570] [2022-12-14 06:26:01,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:01,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:01,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:01,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:01,204 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 06:26:01,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:01,223 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-12-14 06:26:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:01,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 19 [2022-12-14 06:26:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:01,225 INFO L225 Difference]: With dead ends: 43 [2022-12-14 06:26:01,225 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 06:26:01,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:01,227 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:01,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 56 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 06:26:01,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 06:26:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 29 states have internal predecessors, (29), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 06:26:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-12-14 06:26:01,235 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 19 [2022-12-14 06:26:01,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:01,235 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-12-14 06:26:01,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 06:26:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-12-14 06:26:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 06:26:01,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:01,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:01,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:26:01,242 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:01,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash 259583392, now seen corresponding path program 1 times [2022-12-14 06:26:01,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:01,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540582422] [2022-12-14 06:26:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 06:26:01,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:01,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540582422] [2022-12-14 06:26:01,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540582422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:01,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:01,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:26:01,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079349727] [2022-12-14 06:26:01,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:01,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:26:01,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:01,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:26:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:01,320 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 06:26:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:01,337 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-12-14 06:26:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:26:01,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 19 [2022-12-14 06:26:01,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:01,338 INFO L225 Difference]: With dead ends: 37 [2022-12-14 06:26:01,338 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 06:26:01,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:26:01,339 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:01,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 06:26:01,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-14 06:26:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 28 states have internal predecessors, (28), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 06:26:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-12-14 06:26:01,344 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 19 [2022-12-14 06:26:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:01,344 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-12-14 06:26:01,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 06:26:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-14 06:26:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 06:26:01,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:01,345 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:01,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:26:01,345 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 06:26:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1907053788, now seen corresponding path program 1 times [2022-12-14 06:26:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:01,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047387547] [2022-12-14 06:26:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 06:26:01,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:01,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047387547] [2022-12-14 06:26:01,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047387547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:01,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:01,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:26:01,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484086638] [2022-12-14 06:26:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:01,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:26:01,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:26:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:26:01,406 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 06:26:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:01,430 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-14 06:26:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:26:01,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-12-14 06:26:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:01,431 INFO L225 Difference]: With dead ends: 36 [2022-12-14 06:26:01,431 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:26:01,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:01,432 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:01,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 93 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:26:01,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:26:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:26:01,433 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) [2022-12-14 06:26:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:26:01,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-14 06:26:01,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:01,433 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:26:01,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 06:26:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:26:01,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:26:01,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 06:26:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 06:26:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 06:26:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 06:26:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 06:26:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 06:26:01,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:26:01,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 06:26:01,504 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 06:26:01,504 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 06:26:01,504 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 06:26:01,504 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 06:26:01,505 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2022-12-14 06:26:01,505 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1551 1570) no Hoare annotation was computed. [2022-12-14 06:26:01,505 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,505 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1632) no Hoare annotation was computed. [2022-12-14 06:26:01,505 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-12-14 06:26:01,505 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: false [2022-12-14 06:26:01,505 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-14 06:26:01,506 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 1611 1618) no Hoare annotation was computed. [2022-12-14 06:26:01,506 INFO L895 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-14 06:26:01,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-12-14 06:26:01,506 INFO L895 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,506 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2022-12-14 06:26:01,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-14 06:26:01,506 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1602) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1604) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L895 garLoopResultBuilder]: At program point L1651(line 1651) the Hoare annotation is: (= ~goodB2G1Static~0 0) [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point L1651-1(line 1651) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1584) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-14 06:26:01,507 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1633) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1569) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1618) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1595(line 1595) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-12-14 06:26:01,508 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1603) no Hoare annotation was computed. [2022-12-14 06:26:01,509 INFO L895 garLoopResultBuilder]: At program point L1653(line 1653) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,509 INFO L895 garLoopResultBuilder]: At program point L1653-1(line 1653) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,509 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= ~goodB2G1Static~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2022-12-14 06:26:01,509 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1577 1584) no Hoare annotation was computed. [2022-12-14 06:26:01,512 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:01,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:26:01,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:26:01 BoogieIcfgContainer [2022-12-14 06:26:01,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:26:01,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:26:01,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:26:01,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:26:01,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:00" (3/4) ... [2022-12-14 06:26:01,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:26:01,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 06:26:01,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 06:26:01,539 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-14 06:26:01,539 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 06:26:01,540 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 06:26:01,540 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:26:01,540 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:26:01,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:26:01,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:26:01,571 INFO L158 Benchmark]: Toolchain (without parser) took 2467.13ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.7MB in the beginning and 74.9MB in the end (delta: 24.8MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,572 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 108.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:26:01,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.47ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.7MB in the beginning and 115.7MB in the end (delta: -16.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 112.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,572 INFO L158 Benchmark]: Boogie Preprocessor took 19.56ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,572 INFO L158 Benchmark]: RCFGBuilder took 362.67ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 92.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,573 INFO L158 Benchmark]: TraceAbstraction took 1226.50ms. Allocated memory is still 167.8MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,573 INFO L158 Benchmark]: Witness Printer took 42.80ms. Allocated memory is still 167.8MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:26:01,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 108.7MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.47ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.7MB in the beginning and 115.7MB in the end (delta: -16.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 167.8MB. Free memory was 115.7MB in the beginning and 112.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.56ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.67ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 92.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1226.50ms. Allocated memory is still 167.8MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 42.80ms. Allocated memory is still 167.8MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 248 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 24 PreInvPairs, 27 NumberOfFragments, 149 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 14/14 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 6 specifications checked. All of them hold - InvariantResult [Line: 1653]: Loop Invariant Derived loop invariant: 0 <= 2147483648 + data && 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-12-14 06:26:01,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269ad308-fc86-4a48-a2e8-043369dea247/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE