./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 581522e9e3c23d87aea856650063b12bdf4651f6ba25ce5b77ba740d096d10fb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:43:15,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:43:15,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:43:15,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:43:15,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:43:15,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:43:15,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:43:15,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:43:15,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:43:15,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:43:15,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:43:15,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:43:15,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:43:15,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:43:15,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:43:15,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:43:15,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:43:15,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:43:15,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:43:15,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:43:15,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:43:15,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:43:15,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:43:15,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:43:15,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:43:15,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:43:15,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:43:15,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:43:15,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:43:15,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:43:15,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:43:15,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:43:15,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:43:15,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:43:15,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:43:15,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:43:15,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:43:15,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:43:15,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:43:15,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:43:15,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:43:15,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:43:15,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:43:15,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:43:15,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:43:15,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:43:15,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:43:15,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:43:15,327 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:43:15,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:43:15,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:43:15,329 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:43:15,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:43:15,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:43:15,329 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:43:15,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:43:15,330 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:43:15,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:43:15,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:43:15,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:43:15,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:43:15,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:43:15,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:43:15,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:15,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:43:15,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:43:15,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:43:15,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:43:15,332 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:43:15,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:43:15,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:43:15,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:43:15,333 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_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 581522e9e3c23d87aea856650063b12bdf4651f6ba25ce5b77ba740d096d10fb [2022-12-14 14:43:15,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:43:15,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:43:15,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:43:15,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:43:15,519 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:43:15,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_good.i [2022-12-14 14:43:18,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:43:18,404 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:43:18,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_21_good.i [2022-12-14 14:43:18,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/data/c8cec26c7/b4764d7c120842a0a852c2b4dd09fba0/FLAGd717525bf [2022-12-14 14:43:18,439 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/data/c8cec26c7/b4764d7c120842a0a852c2b4dd09fba0 [2022-12-14 14:43:18,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:43:18,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:43:18,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:18,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:43:18,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:43:18,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:18" (1/1) ... [2022-12-14 14:43:18,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb08dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:18, skipping insertion in model container [2022-12-14 14:43:18,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:18" (1/1) ... [2022-12-14 14:43:18,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:43:18,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:18,770 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:43:19,077 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:43:19,081 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:43:19,082 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:43:19,084 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:43:19,085 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:43:19,113 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:43:19,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:19,122 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:43:19,136 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:43:19,169 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:43:19,170 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:43:19,171 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:43:19,173 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:43:19,173 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:43:19,181 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:43:19,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:19,288 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:43:19,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19 WrapperNode [2022-12-14 14:43:19,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:19,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:19,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:43:19,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:43:19,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,340 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 113 [2022-12-14 14:43:19,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:19,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:43:19,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:43:19,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:43:19,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:43:19,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:43:19,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:43:19,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:43:19,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (1/1) ... [2022-12-14 14:43:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:19,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:19,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:43:19,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:43:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 14:43:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 14:43:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 14:43:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 14:43:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:43:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:43:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:43:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 14:43:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:43:19,532 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:43:19,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:43:19,707 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:43:19,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:43:19,786 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:43:19,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:19 BoogieIcfgContainer [2022-12-14 14:43:19,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:43:19,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:43:19,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:43:19,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:43:19,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:43:18" (1/3) ... [2022-12-14 14:43:19,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b593c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:19, skipping insertion in model container [2022-12-14 14:43:19,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:19" (2/3) ... [2022-12-14 14:43:19,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b593c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:19, skipping insertion in model container [2022-12-14 14:43:19,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:19" (3/3) ... [2022-12-14 14:43:19,797 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_21_good.i [2022-12-14 14:43:19,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:43:19,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-14 14:43:19,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:43:19,857 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;@6beccc9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:43:19,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 14:43:19,860 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) [2022-12-14 14:43:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:43:19,866 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:19,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:19,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 14:43:19,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1606445051, now seen corresponding path program 1 times [2022-12-14 14:43:19,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:19,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421544848] [2022-12-14 14:43:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:19,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421544848] [2022-12-14 14:43:20,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421544848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447405376] [2022-12-14 14:43:20,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,166 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) [2022-12-14 14:43:20,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,226 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2022-12-14 14:43:20,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 14:43:20,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,234 INFO L225 Difference]: With dead ends: 61 [2022-12-14 14:43:20,234 INFO L226 Difference]: Without dead ends: 50 [2022-12-14 14:43:20,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,238 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 79 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-14 14:43:20,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 33. [2022-12-14 14:43:20,265 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) [2022-12-14 14:43:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-12-14 14:43:20,267 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 9 [2022-12-14 14:43:20,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,267 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-12-14 14:43:20,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:43:20,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-12-14 14:43:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:43:20,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:43:20,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 14:43:20,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1739810904, now seen corresponding path program 1 times [2022-12-14 14:43:20,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972065111] [2022-12-14 14:43:20,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972065111] [2022-12-14 14:43:20,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972065111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124332667] [2022-12-14 14:43:20,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,351 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) [2022-12-14 14:43:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,385 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-12-14 14:43:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 14:43:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,387 INFO L225 Difference]: With dead ends: 50 [2022-12-14 14:43:20,387 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 14:43:20,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,388 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 19 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 79 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 14:43:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 32. [2022-12-14 14:43:20,394 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) [2022-12-14 14:43:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-12-14 14:43:20,395 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 10 [2022-12-14 14:43:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,395 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-12-14 14:43:20,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 14:43:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-12-14 14:43:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:43:20,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:43:20,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 14:43:20,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,397 INFO L85 PathProgramCache]: Analyzing trace with hash -713817430, now seen corresponding path program 1 times [2022-12-14 14:43:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412487840] [2022-12-14 14:43:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412487840] [2022-12-14 14:43:20,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412487840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050889369] [2022-12-14 14:43:20,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,481 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) [2022-12-14 14:43:20,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,512 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-12-14 14:43:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,512 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 [2022-12-14 14:43:20,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,513 INFO L225 Difference]: With dead ends: 39 [2022-12-14 14:43:20,513 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 14:43:20,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,515 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 62 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 14:43:20,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2022-12-14 14:43:20,519 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) [2022-12-14 14:43:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-12-14 14:43:20,520 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 12 [2022-12-14 14:43:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,521 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-12-14 14:43:20,521 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) [2022-12-14 14:43:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-14 14:43:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:43:20,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:43:20,522 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 14:43:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash -653503752, now seen corresponding path program 1 times [2022-12-14 14:43:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907111995] [2022-12-14 14:43:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907111995] [2022-12-14 14:43:20,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907111995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054471900] [2022-12-14 14:43:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,589 INFO L87 Difference]: Start difference. First operand 31 states and 40 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) [2022-12-14 14:43:20,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,616 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-12-14 14:43:20,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,617 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 [2022-12-14 14:43:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,618 INFO L225 Difference]: With dead ends: 38 [2022-12-14 14:43:20,618 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 14:43:20,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,619 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 59 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 [2022-12-14 14:43:20,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 59 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 14:43:20,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2022-12-14 14:43:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 26 states have internal predecessors, (27), 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) [2022-12-14 14:43:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2022-12-14 14:43:20,625 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2022-12-14 14:43:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,625 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2022-12-14 14:43:20,626 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) [2022-12-14 14:43:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-12-14 14:43:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:43:20,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:43:20,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-14 14:43:20,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,627 INFO L85 PathProgramCache]: Analyzing trace with hash -632927077, now seen corresponding path program 1 times [2022-12-14 14:43:20,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285146275] [2022-12-14 14:43:20,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285146275] [2022-12-14 14:43:20,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285146275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:43:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409763980] [2022-12-14 14:43:20,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,689 INFO L87 Difference]: Start difference. First operand 30 states and 39 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) [2022-12-14 14:43:20,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,717 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-12-14 14:43:20,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,717 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 [2022-12-14 14:43:20,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,718 INFO L225 Difference]: With dead ends: 41 [2022-12-14 14:43:20,718 INFO L226 Difference]: Without dead ends: 34 [2022-12-14 14:43:20,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,720 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 47 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-14 14:43:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-12-14 14:43:20,724 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) [2022-12-14 14:43:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-12-14 14:43:20,724 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 13 [2022-12-14 14:43:20,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,724 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-12-14 14:43:20,724 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) [2022-12-14 14:43:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-14 14:43:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:43:20,725 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:43:20,725 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)] === [2022-12-14 14:43:20,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1231164458, now seen corresponding path program 1 times [2022-12-14 14:43:20,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131459992] [2022-12-14 14:43:20,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131459992] [2022-12-14 14:43:20,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131459992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359160279] [2022-12-14 14:43:20,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,787 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) [2022-12-14 14:43:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,810 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-12-14 14:43:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,810 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 [2022-12-14 14:43:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,811 INFO L225 Difference]: With dead ends: 34 [2022-12-14 14:43:20,811 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 14:43:20,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,812 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 55 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 14:43:20,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 14:43:20,817 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) [2022-12-14 14:43:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-12-14 14:43:20,817 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 14 [2022-12-14 14:43:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,818 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-12-14 14:43:20,818 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) [2022-12-14 14:43:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-14 14:43:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:43:20,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:20,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:43:20,818 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)] === [2022-12-14 14:43:20,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash -488607344, now seen corresponding path program 1 times [2022-12-14 14:43:20,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:20,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345831699] [2022-12-14 14:43:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:43:20,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:20,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345831699] [2022-12-14 14:43:20,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345831699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:20,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:20,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:43:20,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61472008] [2022-12-14 14:43:20,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:20,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:20,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:20,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:20,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,861 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) [2022-12-14 14:43:20,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:20,882 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-12-14 14:43:20,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:20,882 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 [2022-12-14 14:43:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:20,882 INFO L225 Difference]: With dead ends: 33 [2022-12-14 14:43:20,883 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:43:20,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:20,884 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:20,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:43:20,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:43:20,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:43:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:43:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:43:20,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-12-14 14:43:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:20,885 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:43:20,886 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) [2022-12-14 14:43:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:43:20,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:43:20,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-14 14:43:20,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-14 14:43:20,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-14 14:43:20,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-14 14:43:20,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-14 14:43:20,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-14 14:43:20,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:43:20,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 14:43:20,917 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 14:43:20,917 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-12-14 14:43:20,917 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point L1559-1(lines 1551 1572) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L902 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: true [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point L1609(lines 1609 1616) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1Sink_~data#1| 1) 0) [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-14 14:43:20,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-12-14 14:43:20,919 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|))) [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1596) no Hoare annotation was computed. [2022-12-14 14:43:20,919 INFO L902 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: true [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1598) no Hoare annotation was computed. [2022-12-14 14:43:20,919 INFO L902 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: true [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2022-12-14 14:43:20,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 1) 0)) [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-12-14 14:43:20,920 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|))) [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1571) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1615) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 14:43:20,920 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1617) no Hoare annotation was computed. [2022-12-14 14:43:20,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-12-14 14:43:20,921 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1595) no Hoare annotation was computed. [2022-12-14 14:43:20,921 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1597) no Hoare annotation was computed. [2022-12-14 14:43:20,921 INFO L902 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: true [2022-12-14 14:43:20,921 INFO L902 garLoopResultBuilder]: At program point L1637-1(line 1637) the Hoare annotation is: true [2022-12-14 14:43:20,924 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:20,926 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:43:20,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:43:20 BoogieIcfgContainer [2022-12-14 14:43:20,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:43:20,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:43:20,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:43:20,933 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:43:20,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:19" (3/4) ... [2022-12-14 14:43:20,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:43:20,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 14:43:20,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 14:43:20,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 14:43:20,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 14:43:20,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 14:43:20,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:43:20,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:43:20,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:43:20,974 INFO L158 Benchmark]: Toolchain (without parser) took 2530.97ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 95.8MB in the beginning and 75.1MB in the end (delta: 20.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,974 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:20,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.13ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 95.8MB in the beginning and 104.8MB in the end (delta: -8.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.81ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 100.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,975 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 161.5MB. Free memory was 100.6MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,975 INFO L158 Benchmark]: RCFGBuilder took 422.55ms. Allocated memory is still 161.5MB. Free memory was 99.5MB in the beginning and 72.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,975 INFO L158 Benchmark]: TraceAbstraction took 1140.25ms. Allocated memory is still 161.5MB. Free memory was 71.2MB in the beginning and 79.3MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:43:20,975 INFO L158 Benchmark]: Witness Printer took 41.13ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 75.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 14:43:20,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.13ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 95.8MB in the beginning and 104.8MB in the end (delta: -8.9MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.81ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 100.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 161.5MB. Free memory was 100.6MB in the beginning and 99.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.55ms. Allocated memory is still 161.5MB. Free memory was 99.5MB in the beginning and 72.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.25ms. Allocated memory is still 161.5MB. Free memory was 71.2MB in the beginning and 79.3MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.13ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 75.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 436 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 251 mSDtfsCounter, 116 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: 0.0s 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, 0.4s 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! [2022-12-14 14:43:20,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efde7925-f3bb-4a0c-a723-832d9fd649cf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE