./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_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_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/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_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/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_0baa67fb-8894-40e9-8375-cfbccd88b71b/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 74e8ae87584eaddfffe12063ffe43e28a548eaf3259e874fefee89dbdba674b7 --- 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 11:08:33,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:08:33,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:08:33,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:08:33,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:08:33,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:08:33,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:08:33,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:08:33,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:08:33,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:08:33,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:08:33,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:08:33,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:08:33,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:08:33,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:08:33,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:08:33,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:08:33,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:08:33,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:08:33,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:08:33,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:08:33,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:08:33,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:08:33,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:08:33,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:08:33,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:08:33,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:08:33,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:08:33,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:08:33,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:08:33,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:08:33,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:08:33,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:08:33,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:08:33,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:08:33,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:08:33,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:08:33,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:08:33,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:08:33,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:08:33,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:08:33,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 11:08:33,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:08:33,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:08:33,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:08:33,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:08:33,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:08:33,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:08:33,829 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:08:33,829 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:08:33,829 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:08:33,829 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:08:33,830 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:08:33,830 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:08:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:08:33,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:08:33,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:08:33,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:08:33,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:08:33,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:08:33,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:08:33,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:08:33,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:08:33,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:08:33,833 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_0baa67fb-8894-40e9-8375-cfbccd88b71b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e8ae87584eaddfffe12063ffe43e28a548eaf3259e874fefee89dbdba674b7 [2022-12-14 11:08:33,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:08:34,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:08:34,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:08:34,016 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:08:34,016 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:08:34,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_good.i [2022-12-14 11:08:36,586 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:08:36,835 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:08:36,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_good.i [2022-12-14 11:08:36,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/data/c91ee0f78/864c3444792d40a79c59e56357f3eb0c/FLAG8d12c3e80 [2022-12-14 11:08:36,863 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/data/c91ee0f78/864c3444792d40a79c59e56357f3eb0c [2022-12-14 11:08:36,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:08:36,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:08:36,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:08:36,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:08:36,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:08:36,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:08:36" (1/1) ... [2022-12-14 11:08:36,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e2221f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:36, skipping insertion in model container [2022-12-14 11:08:36,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:08:36" (1/1) ... [2022-12-14 11:08:36,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:08:36,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:08:37,174 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:08:37,473 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:08:37,479 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:08:37,481 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:08:37,484 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:08:37,484 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:08:37,504 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 11:08:37,511 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:08:37,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:08:37,522 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:08:37,540 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 11:08:37,581 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 11:08:37,582 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:08:37,583 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 11:08:37,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:08:37,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 11:08:37,591 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 11:08:37,593 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 11:08:37,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:08:37,726 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:08:37,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37 WrapperNode [2022-12-14 11:08:37,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:08:37,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:08:37,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:08:37,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:08:37,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,772 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-12-14 11:08:37,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:08:37,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:08:37,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:08:37,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:08:37,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:08:37,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:08:37,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:08:37,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:08:37,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (1/1) ... [2022-12-14 11:08:37,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:08:37,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:08:37,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:08:37,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:08:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 11:08:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 11:08:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 11:08:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 11:08:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 11:08:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:08:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 11:08:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:08:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:08:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:08:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:08:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 11:08:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:08:37,979 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:08:37,981 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:08:38,082 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:08:38,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:08:38,111 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:08:38,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:08:38 BoogieIcfgContainer [2022-12-14 11:08:38,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:08:38,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:08:38,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:08:38,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:08:38,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:08:36" (1/3) ... [2022-12-14 11:08:38,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47239ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:08:38, skipping insertion in model container [2022-12-14 11:08:38,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:08:37" (2/3) ... [2022-12-14 11:08:38,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47239ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:08:38, skipping insertion in model container [2022-12-14 11:08:38,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:08:38" (3/3) ... [2022-12-14 11:08:38,122 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_18_good.i [2022-12-14 11:08:38,140 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:08:38,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 11:08:38,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:08:38,188 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;@11d546f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:08:38,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 11:08:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 20 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 11:08:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 11:08:38,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:08:38,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:08:38,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 11:08:38,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:08:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1133679634, now seen corresponding path program 1 times [2022-12-14 11:08:38,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:08:38,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401601162] [2022-12-14 11:08:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:08:38,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:08:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:08:38,423 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 11:08:38,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:08:38,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401601162] [2022-12-14 11:08:38,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401601162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:08:38,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:08:38,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:08:38,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804564311] [2022-12-14 11:08:38,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:08:38,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:08:38,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:08:38,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:08:38,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:08:38,453 INFO L87 Difference]: Start difference. First operand has 27 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 20 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:08:38,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:08:38,492 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-12-14 11:08:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:08:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-12-14 11:08:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:08:38,499 INFO L225 Difference]: With dead ends: 27 [2022-12-14 11:08:38,499 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 11:08:38,501 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 11:08:38,504 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:08:38,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:08:38,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 11:08:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-14 11:08:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 11:08:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-12-14 11:08:38,529 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2022-12-14 11:08:38,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:08:38,530 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-12-14 11:08:38,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:08:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-14 11:08:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 11:08:38,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:08:38,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:08:38,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:08:38,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 11:08:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:08:38,532 INFO L85 PathProgramCache]: Analyzing trace with hash 784330348, now seen corresponding path program 1 times [2022-12-14 11:08:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:08:38,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047578547] [2022-12-14 11:08:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:08:38,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:08:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:08:38,582 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 11:08:38,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:08:38,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047578547] [2022-12-14 11:08:38,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047578547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:08:38,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:08:38,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:08:38,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003630992] [2022-12-14 11:08:38,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:08:38,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:08:38,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:08:38,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:08:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:08:38,585 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 11:08:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:08:38,606 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-12-14 11:08:38,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:08:38,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 11:08:38,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:08:38,607 INFO L225 Difference]: With dead ends: 31 [2022-12-14 11:08:38,607 INFO L226 Difference]: Without dead ends: 22 [2022-12-14 11:08:38,608 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 11:08:38,609 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:08:38,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:08:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-14 11:08:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-14 11:08:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 11:08:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-12-14 11:08:38,616 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 10 [2022-12-14 11:08:38,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:08:38,616 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-12-14 11:08:38,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 11:08:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 11:08:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 11:08:38,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:08:38,617 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:08:38,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:08:38,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 11:08:38,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:08:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1594696836, now seen corresponding path program 1 times [2022-12-14 11:08:38,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:08:38,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773578487] [2022-12-14 11:08:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:08:38,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:08:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:08:38,672 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 11:08:38,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:08:38,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773578487] [2022-12-14 11:08:38,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773578487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:08:38,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:08:38,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 11:08:38,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672940213] [2022-12-14 11:08:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:08:38,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:08:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:08:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:08:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:08:38,675 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:08:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:08:38,690 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2022-12-14 11:08:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:08:38,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2022-12-14 11:08:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:08:38,691 INFO L225 Difference]: With dead ends: 22 [2022-12-14 11:08:38,691 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 11:08:38,692 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 11:08:38,693 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:08:38,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:08:38,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 11:08:38,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 11:08:38,695 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 11:08:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 11:08:38,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-12-14 11:08:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:08:38,695 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 11:08:38,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:08:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 11:08:38,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 11:08:38,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 11:08:38,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 11:08:38,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 11:08:38,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 11:08:38,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 11:08:38,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 11:08:38,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 11:08:38,735 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 11:08:38,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-12-14 11:08:38,736 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,737 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 1578 1592) no Hoare annotation was computed. [2022-12-14 11:08:38,737 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-14 11:08:38,737 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 11:08:38,737 INFO L895 garLoopResultBuilder]: At program point $Ultimate##5(lines 1567 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,737 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,737 INFO L895 garLoopResultBuilder]: At program point goodG2B_sink#1(lines 1579 1592) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~1#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-12-14 11:08:38,737 INFO L895 garLoopResultBuilder]: At program point L1603-1(line 1603) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,738 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-12-14 11:08:38,738 INFO L902 garLoopResultBuilder]: At program point L1601-1(line 1601) the Hoare annotation is: true [2022-12-14 11:08:38,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2022-12-14 11:08:38,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-12-14 11:08:38,738 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-12-14 11:08:38,738 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-12-14 11:08:38,739 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-12-14 11:08:38,739 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,739 INFO L895 garLoopResultBuilder]: At program point L1575-1(lines 1548 1577) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,739 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-12-14 11:08:38,741 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 11:08:38,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:08:38,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:08:38 BoogieIcfgContainer [2022-12-14 11:08:38,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:08:38,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:08:38,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:08:38,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:08:38,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:08:38" (3/4) ... [2022-12-14 11:08:38,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 11:08:38,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 11:08:38,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 11:08:38,763 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 11:08:38,763 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 11:08:38,763 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 11:08:38,763 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 11:08:38,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:08:38,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:08:38,788 INFO L158 Benchmark]: Toolchain (without parser) took 1921.76ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 70.9MB in the beginning and 72.8MB in the end (delta: -1.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,789 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:08:38,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.02ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 70.6MB in the beginning and 92.2MB in the end (delta: -21.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.45ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,789 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,789 INFO L158 Benchmark]: RCFGBuilder took 314.06ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 72.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,790 INFO L158 Benchmark]: TraceAbstraction took 636.87ms. Allocated memory is still 155.2MB. Free memory was 72.0MB in the beginning and 75.9MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:08:38,790 INFO L158 Benchmark]: Witness Printer took 34.55ms. Allocated memory is still 155.2MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:08:38,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.02ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 70.6MB in the beginning and 92.2MB in the end (delta: -21.6MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.45ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.06ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 72.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 636.87ms. Allocated memory is still 155.2MB. Free memory was 72.0MB in the beginning and 75.9MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.55ms. Allocated memory is still 155.2MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 51 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 18 PreInvPairs, 22 NumberOfFragments, 57 HoareAnnotationTreeSize, 18 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1603]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: data == 2 && 0 <= data + 2147483648 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-12-14 11:08:38,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0baa67fb-8894-40e9-8375-cfbccd88b71b/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