./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_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_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/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_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/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_f7832aa0-e402-4d5d-84ad-ef2d7420da78/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 5634509b0bcf2827f14bd2b50b0a340747e20dd03dcc1424d3554a4adfa1a360 --- 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 [2022-11-26 00:25:44,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:25:44,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:25:44,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:25:44,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:25:44,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:25:44,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:25:44,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:25:44,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:25:44,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:25:44,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:25:44,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:25:44,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:25:44,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:25:44,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:25:44,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:25:44,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:25:44,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:25:44,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:25:44,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:25:44,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:25:44,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:25:44,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:25:44,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:25:44,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:25:44,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:25:44,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:25:44,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:25:44,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:25:44,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:25:44,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:25:44,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:25:44,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:25:44,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:25:44,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:25:44,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:25:44,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:25:44,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:25:44,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:25:44,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:25:44,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:25:44,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:25:44,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:25:44,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:25:44,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:25:44,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:25:44,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:25:44,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:25:44,190 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:25:44,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:25:44,190 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:25:44,190 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:25:44,195 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:25:44,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:25:44,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:25:44,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:25:44,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:25:44,196 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:25:44,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:25:44,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:25:44,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:25:44,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:25:44,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:25:44,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:25:44,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:25:44,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:25:44,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:25:44,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:25:44,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:25:44,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:25:44,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:25:44,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:25:44,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:25:44,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:25:44,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:25:44,201 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:25:44,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:25:44,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:25:44,203 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:25:44,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:25:44,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:25:44,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:25:44,203 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_f7832aa0-e402-4d5d-84ad-ef2d7420da78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5634509b0bcf2827f14bd2b50b0a340747e20dd03dcc1424d3554a4adfa1a360 [2022-11-26 00:25:44,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:25:44,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:25:44,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:25:44,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:25:44,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:25:44,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_good.i [2022-11-26 00:25:47,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:25:47,971 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:25:47,972 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_61_good.i [2022-11-26 00:25:48,004 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/data/64e66a559/75e78e64eed949cface3269b21c4b9d9/FLAGf2c1a28df [2022-11-26 00:25:48,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/data/64e66a559/75e78e64eed949cface3269b21c4b9d9 [2022-11-26 00:25:48,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:25:48,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:25:48,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:48,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:25:48,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:25:48,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:48" (1/1) ... [2022-11-26 00:25:48,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312926d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:48, skipping insertion in model container [2022-11-26 00:25:48,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:48" (1/1) ... [2022-11-26 00:25:48,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:25:48,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:25:48,447 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:25:48,880 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:25:48,886 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:25:48,888 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:25:48,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:25:48,891 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:25:48,920 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:25:48,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:48,931 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:25:48,951 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:25:49,013 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:25:49,031 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:25:49,032 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:25:49,041 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:25:49,042 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:25:49,047 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:25:49,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:49,243 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:25:49,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49 WrapperNode [2022-11-26 00:25:49,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:49,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:49,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:25:49,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:25:49,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,328 INFO L138 Inliner]: procedures = 503, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 75 [2022-11-26 00:25:49,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:49,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:25:49,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:25:49,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:25:49,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,390 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:25:49,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:25:49,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:25:49,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:25:49,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (1/1) ... [2022-11-26 00:25:49,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:25:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:49,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:25:49,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:25:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:25:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:25:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:25:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:25:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:25:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:25:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:25:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:25:49,675 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:25:49,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:25:49,879 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:25:49,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:25:49,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:25:49,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:49 BoogieIcfgContainer [2022-11-26 00:25:49,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:25:49,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:25:49,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:25:49,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:25:49,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:25:48" (1/3) ... [2022-11-26 00:25:49,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4f3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:49, skipping insertion in model container [2022-11-26 00:25:49,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:49" (2/3) ... [2022-11-26 00:25:49,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4f3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:49, skipping insertion in model container [2022-11-26 00:25:49,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:49" (3/3) ... [2022-11-26 00:25:49,927 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_61_good.i [2022-11-26 00:25:49,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:25:49,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:25:49,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:25:50,000 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;@34b01825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:25:50,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:25:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:25:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:25:50,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:50,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:25:50,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:50,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:50,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1616619979, now seen corresponding path program 1 times [2022-11-26 00:25:50,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:50,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803800914] [2022-11-26 00:25:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:50,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803800914] [2022-11-26 00:25:50,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803800914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:50,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:50,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:50,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256284825] [2022-11-26 00:25:50,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:50,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:50,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:50,369 INFO L87 Difference]: Start difference. First operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:50,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:50,430 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-11-26 00:25:50,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:50,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-26 00:25:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:50,439 INFO L225 Difference]: With dead ends: 24 [2022-11-26 00:25:50,440 INFO L226 Difference]: Without dead ends: 17 [2022-11-26 00:25:50,442 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 [2022-11-26 00:25:50,446 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:50,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-26 00:25:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-26 00:25:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:25:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2022-11-26 00:25:50,479 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 6 [2022-11-26 00:25:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:50,479 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2022-11-26 00:25:50,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2022-11-26 00:25:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:25:50,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:50,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:50,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:25:50,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:50,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1424388253, now seen corresponding path program 1 times [2022-11-26 00:25:50,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:50,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404770824] [2022-11-26 00:25:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:50,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:50,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404770824] [2022-11-26 00:25:50,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404770824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:50,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:50,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:50,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79619124] [2022-11-26 00:25:50,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:50,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:50,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:50,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:50,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:50,572 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-26 00:25:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:50,596 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-11-26 00:25:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:50,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 7 [2022-11-26 00:25:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:50,598 INFO L225 Difference]: With dead ends: 17 [2022-11-26 00:25:50,599 INFO L226 Difference]: Without dead ends: 16 [2022-11-26 00:25:50,599 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 [2022-11-26 00:25:50,600 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:50,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 11 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-26 00:25:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-26 00:25:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:25:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-26 00:25:50,628 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 7 [2022-11-26 00:25:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:50,628 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-26 00:25:50,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-26 00:25:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-26 00:25:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:25:50,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:50,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:50,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:25:50,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:50,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1166009295, now seen corresponding path program 1 times [2022-11-26 00:25:50,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:50,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001143509] [2022-11-26 00:25:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:50,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:50,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:50,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001143509] [2022-11-26 00:25:50,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001143509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:50,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:50,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:50,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188864887] [2022-11-26 00:25:50,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:50,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:50,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:50,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:50,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:50,713 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:50,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:50,747 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-26 00:25:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:50,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2022-11-26 00:25:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:50,748 INFO L225 Difference]: With dead ends: 16 [2022-11-26 00:25:50,749 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 00:25:50,749 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 [2022-11-26 00:25:50,750 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 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 [2022-11-26 00:25:50,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:50,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 00:25:50,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-26 00:25:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:25:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2022-11-26 00:25:50,755 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 13 [2022-11-26 00:25:50,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:50,756 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2022-11-26 00:25:50,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2022-11-26 00:25:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:25:50,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:50,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:50,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:25:50,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:50,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1786549839, now seen corresponding path program 1 times [2022-11-26 00:25:50,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:50,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530088991] [2022-11-26 00:25:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:50,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:50,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:50,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530088991] [2022-11-26 00:25:50,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530088991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:50,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:50,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:50,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499613434] [2022-11-26 00:25:50,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:50,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:50,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:50,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:50,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:50,921 INFO L87 Difference]: Start difference. First operand 15 states and 14 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:50,944 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-11-26 00:25:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:50,945 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-11-26 00:25:50,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:50,947 INFO L225 Difference]: With dead ends: 15 [2022-11-26 00:25:50,947 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:25:50,947 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 [2022-11-26 00:25:50,949 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 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 [2022-11-26 00:25:50,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:50,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:25:50,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:25:50,955 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) [2022-11-26 00:25:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:25:50,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-26 00:25:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:50,956 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:25:50,956 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:25:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:25:50,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:25:50,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-26 00:25:50,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-26 00:25:50,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-26 00:25:50,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-26 00:25:50,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:25:50,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:25:50,989 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:25:50,989 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:25:50,989 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:25:50,989 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:25:50,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-26 00:25:50,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:25:50,991 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-26 00:25:50,992 INFO L895 garLoopResultBuilder]: At program point L1557(line 1557) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B_~data~0#1| 2147483647) [2022-11-26 00:25:50,994 INFO L895 garLoopResultBuilder]: At program point L1557-1(lines 1549 1559) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B_~data~0#1| 2147483647) [2022-11-26 00:25:50,996 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-26 00:25:50,996 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2022-11-26 00:25:50,997 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-26 00:25:50,997 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1561 1576) no Hoare annotation was computed. [2022-11-26 00:25:50,997 INFO L902 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: true [2022-11-26 00:25:50,998 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2022-11-26 00:25:50,999 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-26 00:25:50,999 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2022-11-26 00:25:51,004 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1575) no Hoare annotation was computed. [2022-11-26 00:25:51,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-26 00:25:51,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:25:51,005 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-11-26 00:25:51,005 INFO L902 garLoopResultBuilder]: At program point L1587-1(line 1587) the Hoare annotation is: true [2022-11-26 00:25:51,006 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-11-26 00:25:51,007 INFO L902 garLoopResultBuilder]: At program point L1585-1(line 1585) the Hoare annotation is: true [2022-11-26 00:25:51,010 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-26 00:25:51,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:25:51,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:25:51 BoogieIcfgContainer [2022-11-26 00:25:51,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:25:51,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:25:51,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:25:51,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:25:51,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:49" (3/4) ... [2022-11-26 00:25:51,033 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:25:51,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:25:51,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:25:51,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-26 00:25:51,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-26 00:25:51,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:25:51,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:25:51,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:25:51,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:25:51,084 INFO L158 Benchmark]: Toolchain (without parser) took 3059.13ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 93.3MB in the end (delta: 22.5MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-11-26 00:25:51,085 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:25:51,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1217.58ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2022-11-26 00:25:51,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.47ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 107.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:25:51,086 INFO L158 Benchmark]: Boogie Preprocessor took 71.76ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:25:51,086 INFO L158 Benchmark]: RCFGBuilder took 517.61ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 89.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 00:25:51,086 INFO L158 Benchmark]: TraceAbstraction took 1108.11ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 96.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:25:51,087 INFO L158 Benchmark]: Witness Printer took 54.32ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 93.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:25:51,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1217.58ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.47ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 107.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.76ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.61ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 89.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1108.11ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 96.5MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.32ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 93.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 37 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 14 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: data <= 2147483647 - InvariantResult [Line: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:25:51,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7832aa0-e402-4d5d-84ad-ef2d7420da78/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