./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe8305d84c1b84cbc69fd42b1356db5264f802790fab961151e37648b33807a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:41:14,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:41:14,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:41:14,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:41:14,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:41:14,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:41:14,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:41:14,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:41:14,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:41:14,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:41:14,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:41:14,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:41:14,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:41:14,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:41:14,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:41:14,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:41:14,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:41:14,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:41:14,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:41:14,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:41:14,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:41:14,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:41:14,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:41:14,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:41:14,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:41:14,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:41:14,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:41:14,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:41:14,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:41:14,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:41:14,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:41:14,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:41:14,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:41:14,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:41:14,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:41:14,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:41:14,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:41:14,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:41:14,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:41:14,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:41:14,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:41:14,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:41:14,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:41:14,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:41:14,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:41:14,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:41:14,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:41:14,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:41:14,236 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:41:14,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:41:14,236 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:41:14,236 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:41:14,236 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:41:14,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:41:14,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:41:14,237 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:41:14,237 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:41:14,237 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:41:14,237 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:41:14,238 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:41:14,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:41:14,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:41:14,240 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:41:14,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:41:14,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:41:14,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:41:14,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:41:14,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:41:14,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:41:14,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:41:14,241 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:41:14,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:41:14,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:41:14,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:41:14,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:41:14,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:41:14,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:41:14,242 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_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8305d84c1b84cbc69fd42b1356db5264f802790fab961151e37648b33807a8 [2022-11-25 23:41:14,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:41:14,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:41:14,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:41:14,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:41:14,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:41:14,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i [2022-11-25 23:41:17,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:41:18,329 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:41:18,331 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i [2022-11-25 23:41:18,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/data/d73ab39dd/0f6e598650b14202b6eb56ba0530f0fc/FLAG3f8a364ca [2022-11-25 23:41:18,390 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/data/d73ab39dd/0f6e598650b14202b6eb56ba0530f0fc [2022-11-25 23:41:18,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:41:18,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:41:18,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:18,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:41:18,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:41:18,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:18" (1/1) ... [2022-11-25 23:41:18,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39dbaf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:18, skipping insertion in model container [2022-11-25 23:41:18,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:41:18" (1/1) ... [2022-11-25 23:41:18,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:41:18,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:41:18,869 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:41:19,436 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:41:19,443 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:41:19,445 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:41:19,448 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:41:19,449 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:41:19,494 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:41:19,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:19,507 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:41:19,531 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:41:19,585 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:41:19,587 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:41:19,588 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:41:19,591 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:41:19,592 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:41:19,602 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:41:19,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:41:19,806 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:41:19,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19 WrapperNode [2022-11-25 23:41:19,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:41:19,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:41:19,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:41:19,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:41:19,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,903 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2022-11-25 23:41:19,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:41:19,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:41:19,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:41:19,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:41:19,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:41:19,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:41:19,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:41:19,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:41:19,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (1/1) ... [2022-11-25 23:41:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:41:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:41:20,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:41:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:41:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:41:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:41:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:41:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:41:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:41:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:41:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:41:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:41:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:41:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:41:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:41:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:41:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:41:20,236 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:41:20,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:41:20,473 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:41:20,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:41:20,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:41:20,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:41:20 BoogieIcfgContainer [2022-11-25 23:41:20,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:41:20,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:41:20,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:41:20,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:41:20,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:41:18" (1/3) ... [2022-11-25 23:41:20,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51325c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:41:20, skipping insertion in model container [2022-11-25 23:41:20,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:41:19" (2/3) ... [2022-11-25 23:41:20,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51325c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:41:20, skipping insertion in model container [2022-11-25 23:41:20,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:41:20" (3/3) ... [2022-11-25 23:41:20,567 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_21_good.i [2022-11-25 23:41:20,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:41:20,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:41:20,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:41:20,655 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;@6390931d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:41:20,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 23:41:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:41:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:41:20,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:20,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:20,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:20,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:20,677 INFO L85 PathProgramCache]: Analyzing trace with hash -204891010, now seen corresponding path program 1 times [2022-11-25 23:41:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:20,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432998390] [2022-11-25 23:41:20,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:20,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:21,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:21,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432998390] [2022-11-25 23:41:21,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432998390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:21,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:21,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:21,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026688831] [2022-11-25 23:41:21,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:21,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:21,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:21,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:21,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,119 INFO L87 Difference]: Start difference. First operand has 39 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:21,252 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2022-11-25 23:41:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:21,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-25 23:41:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:21,266 INFO L225 Difference]: With dead ends: 61 [2022-11-25 23:41:21,266 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 23:41:21,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,276 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:21,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 80 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:41:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 23:41:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2022-11-25 23:41:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.5) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-11-25 23:41:21,338 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 9 [2022-11-25 23:41:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:21,339 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-11-25 23:41:21,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-25 23:41:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:41:21,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:21,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:21,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:41:21,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:21,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:21,345 INFO L85 PathProgramCache]: Analyzing trace with hash -2056653954, now seen corresponding path program 1 times [2022-11-25 23:41:21,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:21,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753988236] [2022-11-25 23:41:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:21,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:21,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:21,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753988236] [2022-11-25 23:41:21,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753988236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:21,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:21,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138662577] [2022-11-25 23:41:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:21,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:21,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:21,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:21,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,544 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:21,604 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-11-25 23:41:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:21,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-25 23:41:21,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:21,607 INFO L225 Difference]: With dead ends: 50 [2022-11-25 23:41:21,608 INFO L226 Difference]: Without dead ends: 49 [2022-11-25 23:41:21,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,610 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 19 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:21,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 80 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-25 23:41:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-11-25 23:41:21,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 28 states have internal predecessors, (29), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-11-25 23:41:21,623 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 10 [2022-11-25 23:41:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:21,625 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-25 23:41:21,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-25 23:41:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:41:21,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:21,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:21,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:41:21,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash -273226033, now seen corresponding path program 1 times [2022-11-25 23:41:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007161176] [2022-11-25 23:41:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:21,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:21,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007161176] [2022-11-25 23:41:21,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007161176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:21,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:21,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740303485] [2022-11-25 23:41:21,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:21,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:21,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:21,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:21,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,780 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:21,818 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-11-25 23:41:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:21,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 23:41:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:21,820 INFO L225 Difference]: With dead ends: 39 [2022-11-25 23:41:21,820 INFO L226 Difference]: Without dead ends: 38 [2022-11-25 23:41:21,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,822 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:21,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 64 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-25 23:41:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2022-11-25 23:41:21,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.4) internal successors, (28), 27 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-11-25 23:41:21,830 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 12 [2022-11-25 23:41:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:21,831 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-25 23:41:21,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-25 23:41:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:41:21,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:21,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:21,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:41:21,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash 140504328, now seen corresponding path program 1 times [2022-11-25 23:41:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876523320] [2022-11-25 23:41:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:21,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:21,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876523320] [2022-11-25 23:41:21,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876523320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:21,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:21,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:41:21,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206502279] [2022-11-25 23:41:21,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:21,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:21,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:21,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:21,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,916 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:21,944 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-25 23:41:21,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:21,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 23:41:21,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:21,946 INFO L225 Difference]: With dead ends: 42 [2022-11-25 23:41:21,946 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 23:41:21,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:21,948 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:21,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 50 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:21,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 23:41:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 23:41:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 29 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-11-25 23:41:21,958 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 13 [2022-11-25 23:41:21,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:21,958 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-11-25 23:41:21,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-25 23:41:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:41:21,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:21,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:21,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:41:21,961 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:21,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:21,962 INFO L85 PathProgramCache]: Analyzing trace with hash 119927653, now seen corresponding path program 1 times [2022-11-25 23:41:21,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:21,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396202175] [2022-11-25 23:41:21,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:21,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:22,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:22,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396202175] [2022-11-25 23:41:22,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396202175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:22,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:22,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:22,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290146593] [2022-11-25 23:41:22,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:22,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:22,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:22,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:22,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,047 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:22,094 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-11-25 23:41:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:22,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 23:41:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:22,098 INFO L225 Difference]: With dead ends: 42 [2022-11-25 23:41:22,098 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 23:41:22,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,101 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:22,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 59 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 23:41:22,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2022-11-25 23:41:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 28 states have internal predecessors, (28), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-11-25 23:41:22,120 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 13 [2022-11-25 23:41:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:22,121 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-11-25 23:41:22,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-25 23:41:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:41:22,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:22,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:41:22,124 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash -562265777, now seen corresponding path program 1 times [2022-11-25 23:41:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:22,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216002503] [2022-11-25 23:41:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:22,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:22,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216002503] [2022-11-25 23:41:22,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216002503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:22,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:22,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:22,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394224232] [2022-11-25 23:41:22,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:22,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:22,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:22,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,290 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:22,335 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-11-25 23:41:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:22,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 23:41:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:22,337 INFO L225 Difference]: With dead ends: 34 [2022-11-25 23:41:22,339 INFO L226 Difference]: Without dead ends: 33 [2022-11-25 23:41:22,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,340 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:22,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-25 23:41:22,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-25 23:41:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 27 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 23:41:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-11-25 23:41:22,359 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 14 [2022-11-25 23:41:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:22,360 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-11-25 23:41:22,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-25 23:41:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:41:22,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:41:22,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:22,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:41:22,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:41:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:41:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash -250369795, now seen corresponding path program 1 times [2022-11-25 23:41:22,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:41:22,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447621958] [2022-11-25 23:41:22,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:41:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:41:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:41:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:41:22,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:41:22,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447621958] [2022-11-25 23:41:22,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447621958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:41:22,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:41:22,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:41:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741849831] [2022-11-25 23:41:22,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:41:22,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:41:22,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:41:22,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:41:22,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,451 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:41:22,474 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-25 23:41:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:41:22,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 23:41:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:41:22,475 INFO L225 Difference]: With dead ends: 33 [2022-11-25 23:41:22,476 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:41:22,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:41:22,477 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:41:22,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:41:22,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:41:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:41:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:41:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:41:22,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-25 23:41:22,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:41:22,480 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:41:22,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:41:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:41:22,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:41:22,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-25 23:41:22,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-25 23:41:22,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-25 23:41:22,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-25 23:41:22,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-25 23:41:22,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-25 23:41:22,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:41:22,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:41:22,525 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:41:22,525 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:41:22,525 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:41:22,526 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:41:22,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-11-25 23:41:22,526 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-11-25 23:41:22,526 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-11-25 23:41:22,526 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-11-25 23:41:22,527 INFO L899 garLoopResultBuilder]: For program point L1559-1(lines 1553 1571) no Hoare annotation was computed. [2022-11-25 23:41:22,527 INFO L902 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: true [2022-11-25 23:41:22,527 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-25 23:41:22,527 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2022-11-25 23:41:22,527 INFO L899 garLoopResultBuilder]: For program point L1609(lines 1609 1616) no Hoare annotation was computed. [2022-11-25 23:41:22,528 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1Sink_~data#1| 1) 0) [2022-11-25 23:41:22,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-11-25 23:41:22,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:41:22,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-25 23:41:22,529 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1Sink_~data#1| 1) 0) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1Sink_~data#1|))) [2022-11-25 23:41:22,529 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-25 23:41:22,529 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 23:41:22,529 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1596) no Hoare annotation was computed. [2022-11-25 23:41:22,529 INFO L902 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: true [2022-11-25 23:41:22,530 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1598) no Hoare annotation was computed. [2022-11-25 23:41:22,530 INFO L902 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: true [2022-11-25 23:41:22,530 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2022-11-25 23:41:22,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-11-25 23:41:22,530 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:41:22,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-25 23:41:22,531 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 1) 0)) [2022-11-25 23:41:22,531 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-11-25 23:41:22,531 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 1) 0) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G2Sink_~data#1|))) [2022-11-25 23:41:22,532 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1571) no Hoare annotation was computed. [2022-11-25 23:41:22,532 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1615) no Hoare annotation was computed. [2022-11-25 23:41:22,532 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1617) no Hoare annotation was computed. [2022-11-25 23:41:22,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-11-25 23:41:22,532 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1595) no Hoare annotation was computed. [2022-11-25 23:41:22,533 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1597) no Hoare annotation was computed. [2022-11-25 23:41:22,533 INFO L902 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: true [2022-11-25 23:41:22,533 INFO L902 garLoopResultBuilder]: At program point L1637-1(line 1637) the Hoare annotation is: true [2022-11-25 23:41:22,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:41:22,539 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:41:22,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:41:22 BoogieIcfgContainer [2022-11-25 23:41:22,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:41:22,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:41:22,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:41:22,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:41:22,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:41:20" (3/4) ... [2022-11-25 23:41:22,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:41:22,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:41:22,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:41:22,564 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-25 23:41:22,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 23:41:22,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:41:22,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:41:22,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:41:22,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:41:22,604 INFO L158 Benchmark]: Toolchain (without parser) took 4206.70ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 110.5MB in the end (delta: 23.7MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,604 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:41:22,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.00ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 113.9MB in the end (delta: 20.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.18ms. Allocated memory is still 169.9MB. Free memory was 113.9MB in the beginning and 110.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,605 INFO L158 Benchmark]: Boogie Preprocessor took 54.50ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,605 INFO L158 Benchmark]: RCFGBuilder took 597.43ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 91.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,606 INFO L158 Benchmark]: TraceAbstraction took 1988.65ms. Allocated memory is still 169.9MB. Free memory was 90.9MB in the beginning and 113.7MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:41:22,606 INFO L158 Benchmark]: Witness Printer took 54.68ms. Allocated memory is still 169.9MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:41:22,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1409.00ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 113.9MB in the end (delta: 20.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.18ms. Allocated memory is still 169.9MB. Free memory was 113.9MB in the beginning and 110.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.50ms. Allocated memory is still 169.9MB. Free memory was 110.8MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.43ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 91.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1988.65ms. Allocated memory is still 169.9MB. Free memory was 90.9MB in the beginning and 113.7MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.68ms. Allocated memory is still 169.9MB. Free memory was 113.7MB in the beginning and 110.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 258 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 19 PreInvPairs, 22 NumberOfFragments, 46 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1637]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:41:22,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1059eae3-6e7d-4564-b7e9-4edfdde190be/bin/utaipan-ByfvJB40ur/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