./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_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_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/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_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/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_1faffbfe-025c-4985-8650-5cbddcb6b5ad/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 c15a5d9ed6c99b9148fde2a2ab29546ac594b5e1ca2f47e1f10c13f23b83e3df --- 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 05:35:05,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:35:05,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:35:05,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:35:05,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:35:05,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:35:05,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:35:05,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:35:05,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:35:05,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:35:05,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:35:05,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:35:05,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:35:05,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:35:05,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:35:05,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:35:05,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:35:05,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:35:05,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:35:05,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:35:05,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:35:05,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:35:05,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:35:05,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:35:05,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:35:05,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:35:05,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:35:05,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:35:05,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:35:05,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:35:05,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:35:05,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:35:05,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:35:05,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:35:05,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:35:05,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:35:05,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:35:05,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:35:05,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:35:05,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:35:05,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:35:05,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:35:05,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:35:05,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:35:05,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:35:05,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:35:05,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:35:05,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:35:05,312 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:35:05,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:35:05,313 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:35:05,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:35:05,313 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:35:05,313 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:35:05,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:35:05,314 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:35:05,314 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:35:05,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:35:05,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:35:05,314 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:35:05,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:35:05,315 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:35:05,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:35:05,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:35:05,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:35:05,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:35:05,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:35:05,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:35:05,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:35:05,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:35:05,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:35:05,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:35:05,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:35:05,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:35:05,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:35:05,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:35:05,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:35:05,319 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_1faffbfe-025c-4985-8650-5cbddcb6b5ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c15a5d9ed6c99b9148fde2a2ab29546ac594b5e1ca2f47e1f10c13f23b83e3df [2022-12-14 05:35:05,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:35:05,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:35:05,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:35:05,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:35:05,510 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:35:05,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_good.i [2022-12-14 05:35:08,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:35:08,319 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:35:08,319 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_65_good.i [2022-12-14 05:35:08,338 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/data/6a4fba153/bcb568ca8a8b4796b4a03d13694cb900/FLAG6d1a84e0c [2022-12-14 05:35:08,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/data/6a4fba153/bcb568ca8a8b4796b4a03d13694cb900 [2022-12-14 05:35:08,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:35:08,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:35:08,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:35:08,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:35:08,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:35:08,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:35:08" (1/1) ... [2022-12-14 05:35:08,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aae8456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:08, skipping insertion in model container [2022-12-14 05:35:08,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:35:08" (1/1) ... [2022-12-14 05:35:08,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:35:08,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:35:08,933 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:35:09,245 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:35:09,250 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:35:09,252 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:35:09,253 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:35:09,254 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:35:09,285 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:35:09,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:35:09,296 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:35:09,311 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:35:09,345 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:35:09,347 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:35:09,348 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:35:09,350 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:35:09,351 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:35:09,356 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:35:09,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:35:09,482 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:35:09,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09 WrapperNode [2022-12-14 05:35:09,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:35:09,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:35:09,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:35:09,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:35:09,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,520 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2022-12-14 05:35:09,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:35:09,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:35:09,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:35:09,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:35:09,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:35:09,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:35:09,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:35:09,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:35:09,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (1/1) ... [2022-12-14 05:35:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:35:09,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:35:09,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:35:09,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:35:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 05:35:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 05:35:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:35:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:35:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:35:09,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 05:35:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 05:35:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:35:09,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:35:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:35:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:35:09,695 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:35:09,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:35:09,804 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:35:09,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:35:09,827 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:35:09,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:35:09 BoogieIcfgContainer [2022-12-14 05:35:09,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:35:09,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:35:09,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:35:09,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:35:09,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:35:08" (1/3) ... [2022-12-14 05:35:09,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66714b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:35:09, skipping insertion in model container [2022-12-14 05:35:09,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:35:09" (2/3) ... [2022-12-14 05:35:09,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66714b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:35:09, skipping insertion in model container [2022-12-14 05:35:09,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:35:09" (3/3) ... [2022-12-14 05:35:09,836 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_65_good.i [2022-12-14 05:35:09,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:35:09,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 05:35:09,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:35:09,890 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;@62e5c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:35:09,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 05:35:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 26 states have internal predecessors, (27), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 05:35:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:35:09,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:09,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:09,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:09,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1764997900, now seen corresponding path program 1 times [2022-12-14 05:35:09,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:09,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517458691] [2022-12-14 05:35:09,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:09,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,165 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 05:35:10,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517458691] [2022-12-14 05:35:10,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517458691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:35:10,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722668931] [2022-12-14 05:35:10,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:35:10,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:35:10,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:35:10,195 INFO L87 Difference]: Start difference. First operand has 34 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 26 states have internal predecessors, (27), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,297 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2022-12-14 05:35:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:35:10,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 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 05:35:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,305 INFO L225 Difference]: With dead ends: 59 [2022-12-14 05:35:10,305 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 05:35:10,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:35:10,311 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 145 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:35:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 05:35:10,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2022-12-14 05:35:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:35:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-12-14 05:35:10,351 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 10 [2022-12-14 05:35:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,352 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-12-14 05:35:10,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-12-14 05:35:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:35:10,353 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:35:10,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1119639859, now seen corresponding path program 1 times [2022-12-14 05:35:10,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358103442] [2022-12-14 05:35:10,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,412 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 05:35:10,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358103442] [2022-12-14 05:35:10,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358103442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:35:10,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160561936] [2022-12-14 05:35:10,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:35:10,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:35:10,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:35:10,416 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,432 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-12-14 05:35:10,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:35:10,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 05:35:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,433 INFO L225 Difference]: With dead ends: 42 [2022-12-14 05:35:10,433 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 05:35:10,434 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 05:35:10,435 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 05:35:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2022-12-14 05:35:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:35:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-12-14 05:35:10,443 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 11 [2022-12-14 05:35:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,444 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-12-14 05:35:10,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 05:35:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:35:10,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:35:10,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1120286291, now seen corresponding path program 1 times [2022-12-14 05:35:10,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729952611] [2022-12-14 05:35:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,481 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 05:35:10,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729952611] [2022-12-14 05:35:10,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729952611] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:35:10,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136995534] [2022-12-14 05:35:10,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:35:10,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:35:10,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:35:10,483 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,499 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2022-12-14 05:35:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:35:10,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 05:35:10,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,501 INFO L225 Difference]: With dead ends: 40 [2022-12-14 05:35:10,501 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 05:35:10,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:35:10,502 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 53 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 05:35:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-12-14 05:35:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:35:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-12-14 05:35:10,510 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 11 [2022-12-14 05:35:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,510 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-12-14 05:35:10,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-14 05:35:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:35:10,511 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:35:10,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,512 INFO L85 PathProgramCache]: Analyzing trace with hash -369136582, now seen corresponding path program 1 times [2022-12-14 05:35:10,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174333304] [2022-12-14 05:35:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,539 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 05:35:10,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174333304] [2022-12-14 05:35:10,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174333304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:35:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7768182] [2022-12-14 05:35:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:35:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:35:10,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:35:10,541 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,555 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-12-14 05:35:10,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:35:10,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 05:35:10,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,556 INFO L225 Difference]: With dead ends: 39 [2022-12-14 05:35:10,556 INFO L226 Difference]: Without dead ends: 34 [2022-12-14 05:35:10,557 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 05:35:10,558 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-14 05:35:10,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2022-12-14 05:35:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:35:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-12-14 05:35:10,563 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 12 [2022-12-14 05:35:10,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,563 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-12-14 05:35:10,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:35:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-14 05:35:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 05:35:10,564 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,564 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:35:10,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash 647868416, now seen corresponding path program 1 times [2022-12-14 05:35:10,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051516840] [2022-12-14 05:35:10,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:35:10,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051516840] [2022-12-14 05:35:10,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051516840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:35:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784915864] [2022-12-14 05:35:10,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:35:10,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:35:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:35:10,630 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:35:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,682 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-12-14 05:35:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:35:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-12-14 05:35:10,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,684 INFO L225 Difference]: With dead ends: 43 [2022-12-14 05:35:10,684 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 05:35:10,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:35:10,684 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 80 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 05:35:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2022-12-14 05:35:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:35:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-12-14 05:35:10,689 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 18 [2022-12-14 05:35:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,689 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-12-14 05:35:10,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:35:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-14 05:35:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 05:35:10,690 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,690 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:35:10,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2014889067, now seen corresponding path program 1 times [2022-12-14 05:35:10,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160575872] [2022-12-14 05:35:10,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:35:10,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160575872] [2022-12-14 05:35:10,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160575872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:35:10,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942578068] [2022-12-14 05:35:10,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:35:10,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:35:10,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:35:10,755 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:35:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,774 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-12-14 05:35:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:35:10,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-12-14 05:35:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,775 INFO L225 Difference]: With dead ends: 40 [2022-12-14 05:35:10,775 INFO L226 Difference]: Without dead ends: 24 [2022-12-14 05:35:10,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:35:10,776 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:35:10,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 66 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-14 05:35:10,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-14 05:35:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:35:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2022-12-14 05:35:10,781 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 18 [2022-12-14 05:35:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,781 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2022-12-14 05:35:10,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:35:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2022-12-14 05:35:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 05:35:10,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:35:10,782 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:35:10,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 05:35:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:35:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 413254707, now seen corresponding path program 1 times [2022-12-14 05:35:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:35:10,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600038992] [2022-12-14 05:35:10,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:35:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:35:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:35:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:35:10,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:35:10,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600038992] [2022-12-14 05:35:10,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600038992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:35:10,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:35:10,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:35:10,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959337465] [2022-12-14 05:35:10,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:35:10,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:35:10,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:35:10,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:35:10,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:35:10,880 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:35:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:35:10,895 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2022-12-14 05:35:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:35:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-12-14 05:35:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:35:10,896 INFO L225 Difference]: With dead ends: 24 [2022-12-14 05:35:10,896 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:35:10,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:35:10,897 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 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 05:35:10,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:35:10,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:35:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:35:10,898 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 05:35:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:35:10,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-14 05:35:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:35:10,899 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:35:10,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 05:35:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:35:10,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:35:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 05:35:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 05:35:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 05:35:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 05:35:10,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:35:10,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:35:10,976 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 05:35:10,977 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 05:35:10,977 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 05:35:10,977 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 05:35:10,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:35:10,977 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodG2BSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.base|) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|))) [2022-12-14 05:35:10,977 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-12-14 05:35:10,977 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodG2BSink.offset|) (<= .cse0 0))) [2022-12-14 05:35:10,977 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-12-14 05:35:10,978 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 05:35:10,978 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-14 05:35:10,978 INFO L895 garLoopResultBuilder]: At program point L1576-1(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-14 05:35:10,978 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-12-14 05:35:10,978 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-14 05:35:10,978 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~93#1|))) (and (<= 0 (+ 2 |##fun~int~TO~VOID_#~93#1|)) (<= |##fun~int~TO~VOID_#~93#1| |##fun~int~TO~VOID_#in~93#1|) (<= |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink_~data#1| 1) 0))) [2022-12-14 05:35:10,978 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (<= 0 (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink_~data#1| 1073741823)) (<= 0 (+ 2 |##fun~int~TO~VOID_#~93#1|)) (<= |##fun~int~TO~VOID_#~93#1| |##fun~int~TO~VOID_#in~93#1|) (<= |#funAddr~CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodB2GSink_~data#1| 1) 0)) (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~93#1|)))) [2022-12-14 05:35:10,979 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (or (and (<= 0 (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodG2BSink_~data#1| 2)) (<= 0 (+ 2 |##fun~int~TO~VOID_#~93#1|)) (<= |##fun~int~TO~VOID_#~93#1| |##fun~int~TO~VOID_#in~93#1|) (<= (+ |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodG2BSink_~data#1| 1) 0) (<= |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_min_multiply_65b_goodG2BSink_~data#1| |##fun~int~TO~VOID_#in~93#1|)) (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~93#1|)))) [2022-12-14 05:35:10,979 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-12-14 05:35:10,979 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 05:35:10,979 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:35:10,979 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 05:35:10,979 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 05:35:10,979 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1600) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1601) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 05:35:10,980 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-12-14 05:35:10,981 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2022-12-14 05:35:10,981 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2022-12-14 05:35:10,984 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:35:10,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:35:10,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:35:10 BoogieIcfgContainer [2022-12-14 05:35:10,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:35:10,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:35:10,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:35:10,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:35:10,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:35:09" (3/4) ... [2022-12-14 05:35:10,999 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:35:11,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 05:35:11,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 05:35:11,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 05:35:11,007 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 05:35:11,007 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 05:35:11,008 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 05:35:11,008 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:35:11,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:35:11,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:35:11,036 INFO L158 Benchmark]: Toolchain (without parser) took 2407.04ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 119.2MB in the end (delta: -29.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,037 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 98.4MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:35:11,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.00ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 121.7MB in the end (delta: -31.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 118.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,038 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,038 INFO L158 Benchmark]: RCFGBuilder took 289.48ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 102.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,038 INFO L158 Benchmark]: TraceAbstraction took 1164.14ms. Allocated memory is still 169.9MB. Free memory was 101.1MB in the beginning and 121.3MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:35:11,038 INFO L158 Benchmark]: Witness Printer took 40.41ms. Allocated memory is still 169.9MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:35:11,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 98.5MB in the beginning and 98.4MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.00ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 121.7MB in the end (delta: -31.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 118.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.48ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 102.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1164.14ms. Allocated memory is still 169.9MB. Free memory was 101.1MB in the beginning and 121.3MB in the end (delta: -20.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.41ms. Allocated memory is still 169.9MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 496 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 307 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 189 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=1, InterpolantAutomatonStates: 30, 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, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 29 PreInvPairs, 30 NumberOfFragments, 136 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-12-14 05:35:11,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1faffbfe-025c-4985-8650-5cbddcb6b5ad/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