./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_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_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/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_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/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_3533b377-84f3-4289-9d71-f7d427a53567/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 765d2d340527896dc3fb4c15c0374e596fc1004c6522b141fa37aab48932aa14 --- 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 06:55:09,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:55:09,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:55:09,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:55:09,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:55:09,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:55:09,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:55:09,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:55:09,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:55:09,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:55:09,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:55:09,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:55:09,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:55:09,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:55:09,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:55:09,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:55:09,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:55:09,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:55:09,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:55:09,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:55:09,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:55:09,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:55:09,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:55:09,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:55:09,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:55:09,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:55:09,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:55:09,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:55:09,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:55:09,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:55:09,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:55:09,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:55:09,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:55:09,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:55:09,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:55:09,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:55:09,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:55:09,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:55:09,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:55:09,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:55:09,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:55:09,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:55:09,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:55:09,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:55:09,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:55:09,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:55:09,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:55:09,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:55:09,890 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:55:09,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:55:09,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:55:09,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:55:09,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:55:09,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:55:09,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:55:09,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:55:09,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:55:09,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:55:09,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:55:09,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:55:09,893 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_3533b377-84f3-4289-9d71-f7d427a53567/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765d2d340527896dc3fb4c15c0374e596fc1004c6522b141fa37aab48932aa14 [2022-12-14 06:55:10,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:55:10,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:55:10,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:55:10,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:55:10,064 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:55:10,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i [2022-12-14 06:55:12,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:55:12,926 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:55:12,927 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_08_good.i [2022-12-14 06:55:12,940 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/data/249f23abe/b66969e2c4724f1f81af0b8757c6d9fb/FLAG3cfd5f229 [2022-12-14 06:55:12,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/data/249f23abe/b66969e2c4724f1f81af0b8757c6d9fb [2022-12-14 06:55:12,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:55:12,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:55:12,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:55:12,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:55:12,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:55:12,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:55:12" (1/1) ... [2022-12-14 06:55:12,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ee7342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:12, skipping insertion in model container [2022-12-14 06:55:12,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:55:12" (1/1) ... [2022-12-14 06:55:12,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:55:12,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:55:13,257 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:55:13,586 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:55:13,592 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:55:13,594 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:55:13,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:55:13,596 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:55:13,633 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:55:13,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:55:13,643 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:55:13,662 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:55:13,704 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:55:13,705 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:55:13,706 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:55:13,708 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:55:13,709 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:55:13,716 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:55:13,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:55:13,865 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:55:13,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13 WrapperNode [2022-12-14 06:55:13,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:55:13,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:55:13,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:55:13,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:55:13,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,907 INFO L138 Inliner]: procedures = 505, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-12-14 06:55:13,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:55:13,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:55:13,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:55:13,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:55:13,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:55:13,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:55:13,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:55:13,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:55:13,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (1/1) ... [2022-12-14 06:55:13,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:55:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:13,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:55:13,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:55:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 06:55:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:55:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:55:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-14 06:55:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-14 06:55:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:55:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:55:14,085 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:55:14,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:55:14,237 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:55:14,266 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:55:14,266 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:55:14,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:55:14 BoogieIcfgContainer [2022-12-14 06:55:14,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:55:14,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:55:14,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:55:14,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:55:14,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:55:12" (1/3) ... [2022-12-14 06:55:14,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d454bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:55:14, skipping insertion in model container [2022-12-14 06:55:14,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:55:13" (2/3) ... [2022-12-14 06:55:14,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d454bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:55:14, skipping insertion in model container [2022-12-14 06:55:14,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:55:14" (3/3) ... [2022-12-14 06:55:14,274 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_08_good.i [2022-12-14 06:55:14,288 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:55:14,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 06:55:14,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:55:14,334 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;@5e1c17f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:55:14,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 06:55:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 38 states have (on average 1.5) internal successors, (57), 54 states have internal predecessors, (57), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-14 06:55:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:55:14,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:14,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:14,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:14,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:14,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1825533796, now seen corresponding path program 1 times [2022-12-14 06:55:14,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:14,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982824880] [2022-12-14 06:55:14,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:14,668 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 06:55:14,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:14,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982824880] [2022-12-14 06:55:14,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982824880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:14,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:14,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:55:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172037879] [2022-12-14 06:55:14,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:14,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:55:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:14,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:55:14,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:14,726 INFO L87 Difference]: Start difference. First operand has 69 states, 38 states have (on average 1.5) internal successors, (57), 54 states have internal predecessors, (57), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 06:55:14,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:14,798 INFO L93 Difference]: Finished difference Result 121 states and 160 transitions. [2022-12-14 06:55:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:55:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2022-12-14 06:55:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:14,807 INFO L225 Difference]: With dead ends: 121 [2022-12-14 06:55:14,807 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 06:55:14,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:14,812 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 41 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:14,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 230 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 06:55:14,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-14 06:55:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 44 states have internal predecessors, (46), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-12-14 06:55:14,846 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 17 [2022-12-14 06:55:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:14,848 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-12-14 06:55:14,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 06:55:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-12-14 06:55:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 06:55:14,849 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:14,850 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:14,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:55:14,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:14,851 INFO L85 PathProgramCache]: Analyzing trace with hash -586280181, now seen corresponding path program 1 times [2022-12-14 06:55:14,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:14,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462654011] [2022-12-14 06:55:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:14,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 06:55:14,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:14,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462654011] [2022-12-14 06:55:14,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462654011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:14,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:14,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:55:14,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828544800] [2022-12-14 06:55:14,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:14,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:55:14,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:14,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:55:14,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:55:14,937 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:55:14,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:14,975 INFO L93 Difference]: Finished difference Result 106 states and 134 transitions. [2022-12-14 06:55:14,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:55:14,976 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2022-12-14 06:55:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:14,976 INFO L225 Difference]: With dead ends: 106 [2022-12-14 06:55:14,976 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 06:55:14,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:55:14,978 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:14,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:14,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 06:55:14,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 06:55:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 43 states have internal predecessors, (45), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 06:55:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-12-14 06:55:14,984 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 30 [2022-12-14 06:55:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:14,984 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-12-14 06:55:14,984 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:55:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-12-14 06:55:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 06:55:14,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:14,985 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:14,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:55:14,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:14,986 INFO L85 PathProgramCache]: Analyzing trace with hash -207373968, now seen corresponding path program 1 times [2022-12-14 06:55:14,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:14,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93754583] [2022-12-14 06:55:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 06:55:15,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:15,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93754583] [2022-12-14 06:55:15,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93754583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:15,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:15,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:55:15,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456008994] [2022-12-14 06:55:15,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:15,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:55:15,027 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 06:55:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:15,055 INFO L93 Difference]: Finished difference Result 83 states and 106 transitions. [2022-12-14 06:55:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 32 [2022-12-14 06:55:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:15,057 INFO L225 Difference]: With dead ends: 83 [2022-12-14 06:55:15,057 INFO L226 Difference]: Without dead ends: 82 [2022-12-14 06:55:15,058 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 06:55:15,059 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:15,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 138 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:15,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-14 06:55:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 57. [2022-12-14 06:55:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 42 states have internal predecessors, (44), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 06:55:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-12-14 06:55:15,066 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 32 [2022-12-14 06:55:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:15,066 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-12-14 06:55:15,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 06:55:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-14 06:55:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 06:55:15,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:15,067 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:15,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:55:15,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:15,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2133625608, now seen corresponding path program 1 times [2022-12-14 06:55:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:15,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237775817] [2022-12-14 06:55:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 06:55:15,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:15,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237775817] [2022-12-14 06:55:15,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237775817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:15,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:15,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:55:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219732628] [2022-12-14 06:55:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:15,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:55:15,104 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 06:55:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:15,136 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-12-14 06:55:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:15,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2022-12-14 06:55:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:15,137 INFO L225 Difference]: With dead ends: 82 [2022-12-14 06:55:15,138 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 06:55:15,138 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 06:55:15,139 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 22 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:15,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 146 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 06:55:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 56. [2022-12-14 06:55:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 41 states have internal predecessors, (43), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 06:55:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-12-14 06:55:15,149 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 33 [2022-12-14 06:55:15,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:15,150 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-12-14 06:55:15,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 06:55:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-12-14 06:55:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 06:55:15,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:15,151 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:15,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:55:15,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:15,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1207173045, now seen corresponding path program 1 times [2022-12-14 06:55:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:15,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420637636] [2022-12-14 06:55:15,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 06:55:15,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:15,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420637636] [2022-12-14 06:55:15,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420637636] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:15,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924097921] [2022-12-14 06:55:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:15,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:15,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:15,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:55:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:55:15,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 06:55:15,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:15,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924097921] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:15,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:15,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 06:55:15,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726046051] [2022-12-14 06:55:15,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:15,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:15,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:15,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:15,319 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:55:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:15,358 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-12-14 06:55:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:15,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2022-12-14 06:55:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:15,360 INFO L225 Difference]: With dead ends: 88 [2022-12-14 06:55:15,360 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 06:55:15,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:15,361 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:15,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 06:55:15,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2022-12-14 06:55:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.263157894736842) internal successors, (48), 44 states have internal predecessors, (48), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2022-12-14 06:55:15,368 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 42 [2022-12-14 06:55:15,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:15,368 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2022-12-14 06:55:15,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:55:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-12-14 06:55:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 06:55:15,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:15,369 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:15,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:55:15,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:15,570 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1232341132, now seen corresponding path program 1 times [2022-12-14 06:55:15,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:15,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945122514] [2022-12-14 06:55:15,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 06:55:15,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:15,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945122514] [2022-12-14 06:55:15,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945122514] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:15,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238210077] [2022-12-14 06:55:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:15,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:15,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:55:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:15,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:55:15,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 06:55:15,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:15,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238210077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:15,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:15,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 06:55:15,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264076389] [2022-12-14 06:55:15,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:15,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:15,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:15,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:15,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:15,721 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:55:15,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:15,745 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2022-12-14 06:55:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:15,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-12-14 06:55:15,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:15,746 INFO L225 Difference]: With dead ends: 61 [2022-12-14 06:55:15,747 INFO L226 Difference]: Without dead ends: 60 [2022-12-14 06:55:15,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:15,748 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:15,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 94 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:15,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-14 06:55:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-14 06:55:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.236842105263158) internal successors, (47), 43 states have internal predecessors, (47), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2022-12-14 06:55:15,757 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 43 [2022-12-14 06:55:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:15,757 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2022-12-14 06:55:15,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:55:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-12-14 06:55:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:55:15,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:15,759 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:15,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:55:15,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:15,961 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:15,962 INFO L85 PathProgramCache]: Analyzing trace with hash 707344449, now seen corresponding path program 1 times [2022-12-14 06:55:15,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:15,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689405987] [2022-12-14 06:55:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 06:55:16,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:16,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689405987] [2022-12-14 06:55:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689405987] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:16,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055564295] [2022-12-14 06:55:16,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:16,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:16,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:55:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:55:16,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 06:55:16,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:16,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055564295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:16,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:16,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 06:55:16,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907915189] [2022-12-14 06:55:16,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:16,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:16,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:16,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:16,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:16,201 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 06:55:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:16,225 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2022-12-14 06:55:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:16,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 45 [2022-12-14 06:55:16,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:16,226 INFO L225 Difference]: With dead ends: 88 [2022-12-14 06:55:16,226 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 06:55:16,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:16,227 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 10 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:16,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 130 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 06:55:16,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2022-12-14 06:55:16,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 41 states have internal predecessors, (44), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-12-14 06:55:16,232 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 45 [2022-12-14 06:55:16,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:16,233 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-12-14 06:55:16,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 06:55:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-12-14 06:55:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 06:55:16,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:16,233 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:16,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 06:55:16,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:16,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:16,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1303762276, now seen corresponding path program 1 times [2022-12-14 06:55:16,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:16,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894539978] [2022-12-14 06:55:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 06:55:16,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:16,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894539978] [2022-12-14 06:55:16,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894539978] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:16,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295515014] [2022-12-14 06:55:16,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:16,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:16,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:16,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:16,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:55:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:55:16,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 06:55:16,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:16,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295515014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:16,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:16,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 06:55:16,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934214009] [2022-12-14 06:55:16,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:16,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:55:16,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:16,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:55:16,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:16,544 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 06:55:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:16,562 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-12-14 06:55:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:55:16,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 52 [2022-12-14 06:55:16,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:16,563 INFO L225 Difference]: With dead ends: 58 [2022-12-14 06:55:16,563 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 06:55:16,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:55:16,564 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:16,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:16,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 06:55:16,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-14 06:55:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.162162162162162) internal successors, (43), 40 states have internal predecessors, (43), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2022-12-14 06:55:16,570 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 52 [2022-12-14 06:55:16,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:16,570 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2022-12-14 06:55:16,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 06:55:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-12-14 06:55:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 06:55:16,571 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:16,571 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:16,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:55:16,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 06:55:16,772 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:16,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1761925057, now seen corresponding path program 1 times [2022-12-14 06:55:16,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:16,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139571095] [2022-12-14 06:55:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:16,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 06:55:16,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:16,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139571095] [2022-12-14 06:55:16,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139571095] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:16,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071617234] [2022-12-14 06:55:16,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:16,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:16,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:55:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:16,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:55:16,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 06:55:16,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:16,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071617234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:16,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:16,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 06:55:16,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93321943] [2022-12-14 06:55:16,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:16,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:55:16,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:16,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:55:16,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:55:16,895 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:55:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:16,927 INFO L93 Difference]: Finished difference Result 91 states and 112 transitions. [2022-12-14 06:55:16,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:55:16,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-12-14 06:55:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:16,928 INFO L225 Difference]: With dead ends: 91 [2022-12-14 06:55:16,929 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 06:55:16,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:55:16,930 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:16,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:16,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 06:55:16,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-14 06:55:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.135135135135135) internal successors, (42), 40 states have internal predecessors, (42), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-12-14 06:55:16,936 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 53 [2022-12-14 06:55:16,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:16,936 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-12-14 06:55:16,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:55:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-14 06:55:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 06:55:16,937 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:16,937 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:16,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 06:55:17,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 06:55:17,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1224868138, now seen corresponding path program 1 times [2022-12-14 06:55:17,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:17,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122766826] [2022-12-14 06:55:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 06:55:17,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:17,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122766826] [2022-12-14 06:55:17,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122766826] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:17,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791022693] [2022-12-14 06:55:17,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:17,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:17,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:17,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:17,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 06:55:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:17,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 06:55:17,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:55:17,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:55:17,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791022693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:17,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:55:17,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 06:55:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296056828] [2022-12-14 06:55:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:17,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:55:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:17,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:55:17,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:55:17,375 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:55:17,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:17,405 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2022-12-14 06:55:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:55:17,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 54 [2022-12-14 06:55:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:17,407 INFO L225 Difference]: With dead ends: 69 [2022-12-14 06:55:17,407 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 06:55:17,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:55:17,408 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:17,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 06:55:17,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-14 06:55:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 40 states have internal predecessors, (40), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 06:55:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-12-14 06:55:17,413 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 54 [2022-12-14 06:55:17,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:17,413 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-12-14 06:55:17,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:55:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-12-14 06:55:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 06:55:17,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:17,414 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:17,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 06:55:17,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:17,615 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:17,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash -695653303, now seen corresponding path program 1 times [2022-12-14 06:55:17,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:17,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143907897] [2022-12-14 06:55:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 06:55:17,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143907897] [2022-12-14 06:55:17,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143907897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:17,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:55:17,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:55:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728937191] [2022-12-14 06:55:17,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:17,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:55:17,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:17,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:55:17,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:55:17,650 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:55:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:17,679 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2022-12-14 06:55:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:55:17,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-12-14 06:55:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:17,680 INFO L225 Difference]: With dead ends: 71 [2022-12-14 06:55:17,680 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 06:55:17,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:55:17,680 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:17,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:55:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 06:55:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-14 06:55:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 36 states have internal predecessors, (36), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 06:55:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-12-14 06:55:17,684 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 58 [2022-12-14 06:55:17,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:17,684 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-12-14 06:55:17,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:55:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-12-14 06:55:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 06:55:17,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:17,685 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:17,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:55:17,685 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:17,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:17,686 INFO L85 PathProgramCache]: Analyzing trace with hash -845913214, now seen corresponding path program 1 times [2022-12-14 06:55:17,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:17,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712609012] [2022-12-14 06:55:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 06:55:17,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:17,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712609012] [2022-12-14 06:55:17,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712609012] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:17,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880948754] [2022-12-14 06:55:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:17,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:17,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 06:55:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:17,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:55:17,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 06:55:17,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:55:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 06:55:17,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880948754] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:55:17,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1820765792] [2022-12-14 06:55:17,909 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-12-14 06:55:17,909 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:55:17,912 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:55:17,916 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:55:17,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:55:18,365 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 73 for LOIs [2022-12-14 06:55:18,369 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 73 for LOIs [2022-12-14 06:55:18,373 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 113 for LOIs [2022-12-14 06:55:18,402 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:55:20,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1820765792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:20,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:55:20,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 23 [2022-12-14 06:55:20,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455759065] [2022-12-14 06:55:20,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:20,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 06:55:20,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:20,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 06:55:20,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2022-12-14 06:55:20,182 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 16 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-14 06:55:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:20,553 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2022-12-14 06:55:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 06:55:20,553 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) Word has length 60 [2022-12-14 06:55:20,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:20,554 INFO L225 Difference]: With dead ends: 81 [2022-12-14 06:55:20,554 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 06:55:20,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2022-12-14 06:55:20,554 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 36 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:20,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 164 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:55:20,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 06:55:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-14 06:55:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 06:55:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2022-12-14 06:55:20,562 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 60 [2022-12-14 06:55:20,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:20,563 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2022-12-14 06:55:20,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2022-12-14 06:55:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2022-12-14 06:55:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 06:55:20,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:55:20,563 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:20,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 06:55:20,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 06:55:20,765 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 06:55:20,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:55:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1881064534, now seen corresponding path program 1 times [2022-12-14 06:55:20,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:55:20,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533522686] [2022-12-14 06:55:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:55:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 06:55:20,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:55:20,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533522686] [2022-12-14 06:55:20,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533522686] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:55:20,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614640316] [2022-12-14 06:55:20,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:55:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:55:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:55:20,844 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:55:20,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 06:55:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:55:20,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:55:20,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:55:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 06:55:20,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:55:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 06:55:21,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614640316] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:55:21,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1327504429] [2022-12-14 06:55:21,008 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2022-12-14 06:55:21,008 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:55:21,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:55:21,009 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:55:21,009 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:55:21,801 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 73 for LOIs [2022-12-14 06:55:21,804 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 75 for LOIs [2022-12-14 06:55:21,808 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsFalse with input of size 73 for LOIs [2022-12-14 06:55:21,811 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 35 for LOIs [2022-12-14 06:55:21,815 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:55:24,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1327504429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:55:24,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 06:55:24,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [4, 4, 4] total 33 [2022-12-14 06:55:24,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437363883] [2022-12-14 06:55:24,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:55:24,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-14 06:55:24,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:55:24,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-14 06:55:24,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=961, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 06:55:24,615 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 20 states have internal predecessors, (32), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2022-12-14 06:55:25,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:55:25,381 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2022-12-14 06:55:25,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 06:55:25,381 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 20 states have internal predecessors, (32), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) Word has length 64 [2022-12-14 06:55:25,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:55:25,381 INFO L225 Difference]: With dead ends: 51 [2022-12-14 06:55:25,381 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:55:25,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 157 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 06:55:25,382 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:55:25,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 56 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 06:55:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:55:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:55:25,383 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 06:55:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:55:25,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-12-14 06:55:25,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:55:25,383 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:55:25,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 20 states have internal predecessors, (32), 10 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2022-12-14 06:55:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:55:25,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:55:25,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 06:55:25,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 06:55:25,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 06:55:25,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 06:55:25,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 06:55:25,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 06:55:26,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 06:55:26,614 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 06:55:26,614 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-12-14 06:55:26,615 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2022-12-14 06:55:26,615 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 06:55:26,615 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 06:55:26,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2022-12-14 06:55:26,615 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1645) no Hoare annotation was computed. [2022-12-14 06:55:26,615 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1604) no Hoare annotation was computed. [2022-12-14 06:55:26,616 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,616 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2022-12-14 06:55:26,616 INFO L895 garLoopResultBuilder]: At program point L1588-4(lines 1588 1591) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1580) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1582) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1626) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: false [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2022-12-14 06:55:26,617 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2022-12-14 06:55:26,618 INFO L895 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,618 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2022-12-14 06:55:26,618 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 06:55:26,618 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-12-14 06:55:26,618 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-14 06:55:26,618 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-12-14 06:55:26,618 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-12-14 06:55:26,619 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-14 06:55:26,619 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2022-12-14 06:55:26,619 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2022-12-14 06:55:26,619 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1628) no Hoare annotation was computed. [2022-12-14 06:55:26,619 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2022-12-14 06:55:26,619 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: false [2022-12-14 06:55:26,619 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= |ULTIMATE.start_goodG2B1_~result~2#1| (* 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 4 |ULTIMATE.start_goodG2B1_~result~2#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodG2B1_~result~2#1| 4) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,620 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-12-14 06:55:26,620 INFO L895 garLoopResultBuilder]: At program point L1633-4(lines 1633 1636) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= |ULTIMATE.start_goodG2B1_~result~2#1| (* 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (<= 4 |ULTIMATE.start_goodG2B1_~result~2#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodG2B1_~result~2#1| 4) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,620 INFO L895 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-12-14 06:55:26,620 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= |ULTIMATE.start_goodG2B1_~result~2#1| (* 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,621 INFO L895 garLoopResultBuilder]: At program point L1658-1(line 1658) the Hoare annotation is: (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-12-14 06:55:26,621 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2022-12-14 06:55:26,621 INFO L899 garLoopResultBuilder]: For program point L1592-1(lines 1592 1606) no Hoare annotation was computed. [2022-12-14 06:55:26,621 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1607) no Hoare annotation was computed. [2022-12-14 06:55:26,621 INFO L895 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-12-14 06:55:26,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2022-12-14 06:55:26,621 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= |ULTIMATE.start_goodB2G1_~data~0#1| 0) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,621 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-12-14 06:55:26,622 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 06:55:26,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2022-12-14 06:55:26,622 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1605) no Hoare annotation was computed. [2022-12-14 06:55:26,622 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,623 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1581) no Hoare annotation was computed. [2022-12-14 06:55:26,623 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1583) no Hoare annotation was computed. [2022-12-14 06:55:26,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2022-12-14 06:55:26,623 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2022-12-14 06:55:26,623 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1620 1627) no Hoare annotation was computed. [2022-12-14 06:55:26,623 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,624 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,624 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-12-14 06:55:26,624 INFO L899 garLoopResultBuilder]: For program point L1612-2(lines 1612 1619) no Hoare annotation was computed. [2022-12-14 06:55:26,624 INFO L895 garLoopResultBuilder]: At program point L1612-3(lines 1612 1619) the Hoare annotation is: (and (= 21 (select |#length| 2)) (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 18) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 21 (select |#length| 5)) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#length| 3) 54) (= 16 (select |#length| 7)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 06:55:26,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2022-12-14 06:55:26,624 INFO L899 garLoopResultBuilder]: For program point L1637(line 1637) no Hoare annotation was computed. [2022-12-14 06:55:26,624 INFO L899 garLoopResultBuilder]: For program point L1637-1(lines 1637 1644) no Hoare annotation was computed. [2022-12-14 06:55:26,625 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-12-14 06:55:26,625 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2022-12-14 06:55:26,628 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:55:26,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:55:26,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:55:26 BoogieIcfgContainer [2022-12-14 06:55:26,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:55:26,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:55:26,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:55:26,639 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:55:26,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:55:14" (3/4) ... [2022-12-14 06:55:26,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 06:55:26,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 06:55:26,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-14 06:55:26,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 06:55:26,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-14 06:55:26,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 06:55:26,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 06:55:26,651 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 06:55:26,651 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 06:55:26,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:55:26,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:55:26,689 INFO L158 Benchmark]: Toolchain (without parser) took 13736.48ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 98.3MB in the beginning and 144.0MB in the end (delta: -45.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,690 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:55:26,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.90ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.50ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,691 INFO L158 Benchmark]: Boogie Preprocessor took 21.12ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,691 INFO L158 Benchmark]: RCFGBuilder took 338.77ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 72.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,691 INFO L158 Benchmark]: TraceAbstraction took 12369.20ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 72.2MB in the beginning and 148.2MB in the end (delta: -76.0MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,691 INFO L158 Benchmark]: Witness Printer took 49.95ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 144.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:55:26,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.90ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.50ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.12ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.77ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 72.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12369.20ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 72.2MB in the beginning and 148.2MB in the end (delta: -76.0MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 49.95ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 144.0MB in the end (delta: 4.2MB). 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 1850 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1083 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1359 IncrementalHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 767 mSDtfsCounter, 1359 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 613 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 74 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 81 PreInvPairs, 92 NumberOfFragments, 1760 HoareAnnotationTreeSize, 81 FomulaSimplifications, 347 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 1776 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 1317 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1524 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 563/586 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: OVERALL_TIME: 1.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 84, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME: 0.2s, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 144, TOOLS_QUANTIFIERELIM_TIME: 0.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 47, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 84, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 3401, DAG_COMPRESSION_RETAINED_NODES: 262, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: 2147483647 == data RESULT: Ultimate proved your program to be correct! [2022-12-14 06:55:26,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3533b377-84f3-4289-9d71-f7d427a53567/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