./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:27:32,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:27:32,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:27:32,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:27:32,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:27:32,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:27:32,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:27:32,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:27:32,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:27:32,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:27:32,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:27:32,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:27:32,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:27:32,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:27:32,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:27:32,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:27:32,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:27:32,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:27:32,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:27:32,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:27:32,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:27:32,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:27:32,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:27:32,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:27:32,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:27:32,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:27:32,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:27:32,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:27:32,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:27:32,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:27:32,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:27:32,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:27:32,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:27:32,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:27:32,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:27:32,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:27:32,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:27:32,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:27:32,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:27:32,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:27:32,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:27:32,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:27:32,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:27:32,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:27:32,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:27:32,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:27:32,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:27:32,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:27:32,527 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:27:32,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:27:32,528 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:27:32,529 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:27:32,530 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:27:32,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:27:32,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:27:32,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:27:32,531 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:27:32,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:27:32,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:27:32,533 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:27:32,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:27:32,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:27:32,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:27:32,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:27:32,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:27:32,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:27:32,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:27:32,537 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:27:32,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:27:32,538 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:27:32,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:27:32,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:27:32,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:27:32,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:27:32,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:27:32,541 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:27:32,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:27:32,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:27:32,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:27:32,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:27:32,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:27:32,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:27:32,544 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_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2022-11-26 00:27:32,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:27:32,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:27:32,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:27:32,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:27:32,911 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:27:32,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-26 00:27:36,178 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:27:36,676 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:27:36,678 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-26 00:27:36,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/data/cf0db1f44/928703d0569040c3a3d2b6dca2ccb30c/FLAG88e1defde [2022-11-26 00:27:36,735 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/data/cf0db1f44/928703d0569040c3a3d2b6dca2ccb30c [2022-11-26 00:27:36,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:27:36,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:27:36,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:27:36,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:27:36,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:27:36,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:36" (1/1) ... [2022-11-26 00:27:36,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdd1b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:36, skipping insertion in model container [2022-11-26 00:27:36,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:36" (1/1) ... [2022-11-26 00:27:36,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:27:36,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:27:37,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:27:37,889 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:27:37,902 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:27:37,907 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:27:37,918 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:27:37,920 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:27:37,979 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:27:37,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:27:37,999 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:27:38,023 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:27:38,075 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:27:38,078 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:27:38,079 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:27:38,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:27:38,083 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:27:38,093 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:27:38,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:27:38,256 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:27:38,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38 WrapperNode [2022-11-26 00:27:38,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:27:38,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:27:38,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:27:38,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:27:38,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,338 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-26 00:27:38,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:27:38,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:27:38,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:27:38,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:27:38,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:27:38,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:27:38,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:27:38,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:27:38,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (1/1) ... [2022-11-26 00:27:38,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:27:38,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:38,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:27:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:27:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:27:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:27:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:27:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:27:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:27:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:27:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:27:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:27:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:27:38,758 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:27:38,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:27:39,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:27:39,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:27:39,165 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 00:27:39,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:27:39 BoogieIcfgContainer [2022-11-26 00:27:39,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:27:39,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:27:39,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:27:39,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:27:39,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:27:36" (1/3) ... [2022-11-26 00:27:39,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf542b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:27:39, skipping insertion in model container [2022-11-26 00:27:39,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:38" (2/3) ... [2022-11-26 00:27:39,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf542b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:27:39, skipping insertion in model container [2022-11-26 00:27:39,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:27:39" (3/3) ... [2022-11-26 00:27:39,180 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-11-26 00:27:39,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:27:39,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-26 00:27:39,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:27:39,279 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;@28862ea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:27:39,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-26 00:27:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:27:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:27:39,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:39,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:39,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:39,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:39,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1231915530, now seen corresponding path program 1 times [2022-11-26 00:27:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:39,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335267174] [2022-11-26 00:27:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:27:39,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:39,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335267174] [2022-11-26 00:27:39,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335267174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:39,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:39,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864752370] [2022-11-26 00:27:39,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:39,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:27:39,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:27:40,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:27:40,049 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:40,232 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-11-26 00:27:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:27:40,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-26 00:27:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:40,246 INFO L225 Difference]: With dead ends: 85 [2022-11-26 00:27:40,247 INFO L226 Difference]: Without dead ends: 44 [2022-11-26 00:27:40,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:40,255 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:40,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:27:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-26 00:27:40,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-26 00:27:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 38 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-26 00:27:40,332 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 7 [2022-11-26 00:27:40,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:40,334 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-26 00:27:40,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-26 00:27:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:27:40,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:40,338 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:40,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:27:40,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash -499922354, now seen corresponding path program 1 times [2022-11-26 00:27:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:40,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856160763] [2022-11-26 00:27:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:40,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:27:40,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:40,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856160763] [2022-11-26 00:27:40,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856160763] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:27:40,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881120335] [2022-11-26 00:27:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:40,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:40,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:27:40,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:27:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:27:41,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:27:41,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:27:41,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881120335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:41,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:27:41,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 00:27:41,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107876334] [2022-11-26 00:27:41,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:41,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:41,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:41,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:27:41,122 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:41,210 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-26 00:27:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:41,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-26 00:27:41,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:41,214 INFO L225 Difference]: With dead ends: 78 [2022-11-26 00:27:41,215 INFO L226 Difference]: Without dead ends: 40 [2022-11-26 00:27:41,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:27:41,218 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:41,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 79 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:41,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-26 00:27:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-26 00:27:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-26 00:27:41,237 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 10 [2022-11-26 00:27:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:41,238 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-26 00:27:41,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-26 00:27:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:27:41,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:41,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:41,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:27:41,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:27:41,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:41,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 611278119, now seen corresponding path program 1 times [2022-11-26 00:27:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:41,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035694657] [2022-11-26 00:27:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:27:41,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:41,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035694657] [2022-11-26 00:27:41,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035694657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:41,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:41,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:41,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536746981] [2022-11-26 00:27:41,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:41,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:41,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:41,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:41,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:41,526 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:41,568 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2022-11-26 00:27:41,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:41,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 00:27:41,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:41,605 INFO L225 Difference]: With dead ends: 71 [2022-11-26 00:27:41,605 INFO L226 Difference]: Without dead ends: 53 [2022-11-26 00:27:41,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:41,611 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:41,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 70 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-26 00:27:41,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 41. [2022-11-26 00:27:41,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.52) internal successors, (38), 35 states have internal predecessors, (38), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-11-26 00:27:41,623 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 12 [2022-11-26 00:27:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:41,623 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-11-26 00:27:41,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-26 00:27:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:27:41,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:41,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:41,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:27:41,625 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:41,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 611179511, now seen corresponding path program 1 times [2022-11-26 00:27:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:41,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767372930] [2022-11-26 00:27:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:41,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:27:41,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:41,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767372930] [2022-11-26 00:27:41,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767372930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:41,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:41,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:27:41,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627457497] [2022-11-26 00:27:41,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:41,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:41,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:41,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:41,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:41,728 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:41,783 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-26 00:27:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:41,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 00:27:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:41,787 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:27:41,787 INFO L226 Difference]: Without dead ends: 40 [2022-11-26 00:27:41,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:41,798 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:41,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:41,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-26 00:27:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-26 00:27:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.48) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-26 00:27:41,806 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 12 [2022-11-26 00:27:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:41,806 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-26 00:27:41,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-26 00:27:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:27:41,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:41,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:41,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:27:41,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:41,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1766695741, now seen corresponding path program 1 times [2022-11-26 00:27:41,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:41,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791752984] [2022-11-26 00:27:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:41,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:27:41,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:41,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791752984] [2022-11-26 00:27:41,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791752984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:41,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:41,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:27:41,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022613700] [2022-11-26 00:27:41,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:41,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:41,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:41,996 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:42,032 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-26 00:27:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:42,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-26 00:27:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:42,036 INFO L225 Difference]: With dead ends: 40 [2022-11-26 00:27:42,036 INFO L226 Difference]: Without dead ends: 39 [2022-11-26 00:27:42,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:42,037 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:42,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-26 00:27:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-26 00:27:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.44) internal successors, (36), 33 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-26 00:27:42,060 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2022-11-26 00:27:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:42,061 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-26 00:27:42,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:27:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-26 00:27:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:27:42,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:42,063 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:42,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:27:42,064 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:42,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1370502306, now seen corresponding path program 1 times [2022-11-26 00:27:42,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:42,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390477926] [2022-11-26 00:27:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:27:42,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:42,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390477926] [2022-11-26 00:27:42,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390477926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:42,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:42,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:42,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525416577] [2022-11-26 00:27:42,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:42,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:27:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:42,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:27:42,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:27:42,164 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:27:42,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:42,238 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-11-26 00:27:42,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:27:42,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-26 00:27:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:42,242 INFO L225 Difference]: With dead ends: 49 [2022-11-26 00:27:42,242 INFO L226 Difference]: Without dead ends: 47 [2022-11-26 00:27:42,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:42,245 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:42,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 94 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:42,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-26 00:27:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-26 00:27:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:27:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-26 00:27:42,266 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 16 [2022-11-26 00:27:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:42,267 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-26 00:27:42,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:27:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-26 00:27:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:27:42,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:42,268 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:42,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:27:42,269 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:42,269 INFO L85 PathProgramCache]: Analyzing trace with hash -544310589, now seen corresponding path program 1 times [2022-11-26 00:27:42,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:42,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127895773] [2022-11-26 00:27:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:42,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:42,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:42,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127895773] [2022-11-26 00:27:42,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127895773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:42,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:42,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:42,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555131310] [2022-11-26 00:27:42,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:42,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:27:42,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:42,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:27:42,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:27:42,374 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:42,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:42,437 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2022-11-26 00:27:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:27:42,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-26 00:27:42,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:42,439 INFO L225 Difference]: With dead ends: 65 [2022-11-26 00:27:42,439 INFO L226 Difference]: Without dead ends: 50 [2022-11-26 00:27:42,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:42,441 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:42,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-26 00:27:42,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-26 00:27:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 43 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:27:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-26 00:27:42,467 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 20 [2022-11-26 00:27:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:42,467 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-26 00:27:42,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-26 00:27:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:27:42,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:42,469 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:42,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:27:42,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:42,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:42,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2055101797, now seen corresponding path program 1 times [2022-11-26 00:27:42,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:42,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979050723] [2022-11-26 00:27:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:42,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:42,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:42,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979050723] [2022-11-26 00:27:42,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979050723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:27:42,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211665363] [2022-11-26 00:27:42,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:42,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:42,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:42,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:27:42,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:27:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:42,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:27:42,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:42,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:27:42,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211665363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:42,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:27:42,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 00:27:42,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240020453] [2022-11-26 00:27:42,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:42,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:42,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:42,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:42,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:27:42,814 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:42,866 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2022-11-26 00:27:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:42,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-26 00:27:42,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:42,868 INFO L225 Difference]: With dead ends: 64 [2022-11-26 00:27:42,868 INFO L226 Difference]: Without dead ends: 46 [2022-11-26 00:27:42,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:27:42,869 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:42,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 102 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-26 00:27:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-26 00:27:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 39 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:27:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2022-11-26 00:27:42,911 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 23 [2022-11-26 00:27:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:42,912 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2022-11-26 00:27:42,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-26 00:27:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:27:42,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:42,913 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:42,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:27:43,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-26 00:27:43,120 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:43,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:43,121 INFO L85 PathProgramCache]: Analyzing trace with hash 110044222, now seen corresponding path program 1 times [2022-11-26 00:27:43,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:43,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724044076] [2022-11-26 00:27:43,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:43,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-26 00:27:43,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:43,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724044076] [2022-11-26 00:27:43,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724044076] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:27:43,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086047507] [2022-11-26 00:27:43,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:43,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:27:43,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:27:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:43,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:27:43,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:27:43,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:27:43,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086047507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:43,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:27:43,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-26 00:27:43,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522200629] [2022-11-26 00:27:43,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:43,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:43,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:43,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:43,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:27:43,452 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:27:43,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:43,525 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2022-11-26 00:27:43,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:43,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2022-11-26 00:27:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:43,527 INFO L225 Difference]: With dead ends: 66 [2022-11-26 00:27:43,527 INFO L226 Difference]: Without dead ends: 36 [2022-11-26 00:27:43,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:27:43,529 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:43,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 64 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:27:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-26 00:27:43,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-26 00:27:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 30 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-26 00:27:43,536 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 24 [2022-11-26 00:27:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:43,537 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-26 00:27:43,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:27:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-26 00:27:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-26 00:27:43,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:43,538 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:43,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 00:27:43,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:43,745 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:43,746 INFO L85 PathProgramCache]: Analyzing trace with hash 716359098, now seen corresponding path program 1 times [2022-11-26 00:27:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:43,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054564267] [2022-11-26 00:27:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:43,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:43,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:43,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054564267] [2022-11-26 00:27:43,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054564267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:43,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:43,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:27:43,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267301783] [2022-11-26 00:27:43,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:43,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:43,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:43,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:43,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:43,826 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:43,871 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-11-26 00:27:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:43,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-26 00:27:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:43,874 INFO L225 Difference]: With dead ends: 40 [2022-11-26 00:27:43,874 INFO L226 Difference]: Without dead ends: 39 [2022-11-26 00:27:43,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:43,875 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:43,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-26 00:27:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-11-26 00:27:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 32 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-11-26 00:27:43,883 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 24 [2022-11-26 00:27:43,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:43,884 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-11-26 00:27:43,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-11-26 00:27:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:27:43,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:43,890 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:43,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:27:43,891 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:43,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:43,892 INFO L85 PathProgramCache]: Analyzing trace with hash 732295686, now seen corresponding path program 1 times [2022-11-26 00:27:43,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:43,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526458752] [2022-11-26 00:27:43,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:43,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:43,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:43,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526458752] [2022-11-26 00:27:43,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526458752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:43,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:43,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:27:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534815645] [2022-11-26 00:27:43,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:43,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:43,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:43,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:43,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:43,967 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:43,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:44,000 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-26 00:27:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:44,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-26 00:27:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:44,004 INFO L225 Difference]: With dead ends: 38 [2022-11-26 00:27:44,004 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:27:44,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:44,005 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:44,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 45 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:27:44,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:27:44,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-26 00:27:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 31 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-11-26 00:27:44,013 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 25 [2022-11-26 00:27:44,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:44,014 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-11-26 00:27:44,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:27:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-11-26 00:27:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:27:44,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:44,023 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:44,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:27:44,023 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:44,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1530142354, now seen corresponding path program 1 times [2022-11-26 00:27:44,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:44,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540605127] [2022-11-26 00:27:44,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:27:44,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:44,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540605127] [2022-11-26 00:27:44,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540605127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:44,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:44,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:44,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726482767] [2022-11-26 00:27:44,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:44,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:27:44,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:44,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:27:44,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:27:44,133 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:27:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:44,202 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-26 00:27:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:27:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-26 00:27:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:44,206 INFO L225 Difference]: With dead ends: 44 [2022-11-26 00:27:44,206 INFO L226 Difference]: Without dead ends: 42 [2022-11-26 00:27:44,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:44,207 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:44,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:27:44,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-26 00:27:44,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-26 00:27:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:27:44,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2022-11-26 00:27:44,219 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 30 [2022-11-26 00:27:44,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:44,220 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2022-11-26 00:27:44,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:27:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-11-26 00:27:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:27:44,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:44,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:44,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:27:44,223 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:44,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1983089271, now seen corresponding path program 1 times [2022-11-26 00:27:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:44,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090433358] [2022-11-26 00:27:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:27:44,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:44,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090433358] [2022-11-26 00:27:44,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090433358] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:27:44,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059836741] [2022-11-26 00:27:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:44,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:44,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:44,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:27:44,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:27:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:44,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:27:44,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:44,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:27:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:44,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059836741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:27:44,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [187680474] [2022-11-26 00:27:44,727 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-26 00:27:44,727 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:27:44,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:27:44,750 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:27:44,751 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:27:46,708 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 32 for LOIs [2022-11-26 00:27:46,712 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 98 for LOIs [2022-11-26 00:27:46,757 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:27:51,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [187680474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:51,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:27:51,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 3, 3] total 26 [2022-11-26 00:27:51,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950408216] [2022-11-26 00:27:51,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-26 00:27:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-26 00:27:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:27:51,717 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:27:55,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:55,866 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2022-11-26 00:27:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 00:27:55,867 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2022-11-26 00:27:55,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:55,868 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:27:55,868 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 00:27:55,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 73 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=229, Invalid=1103, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 00:27:55,869 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 53 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:55,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 131 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:27:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 00:27:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-26 00:27:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 32 states have (on average 1.09375) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-26 00:27:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2022-11-26 00:27:55,883 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 33 [2022-11-26 00:27:55,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:55,884 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2022-11-26 00:27:55,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:27:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2022-11-26 00:27:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 00:27:55,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:55,885 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:55,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:27:56,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:56,095 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-26 00:27:56,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash -530417242, now seen corresponding path program 1 times [2022-11-26 00:27:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:56,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110187847] [2022-11-26 00:27:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:27:56,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:56,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110187847] [2022-11-26 00:27:56,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110187847] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:27:56,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610596625] [2022-11-26 00:27:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:56,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:27:56,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:27:56,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:27:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:56,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:27:56,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:56,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:27:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:27:56,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610596625] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:27:56,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1457497794] [2022-11-26 00:27:56,452 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-26 00:27:56,452 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:27:56,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:27:56,453 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:27:56,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:27:57,671 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 67 for LOIs [2022-11-26 00:27:57,695 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 62 for LOIs [2022-11-26 00:27:57,708 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:28:03,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1457497794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:28:03,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:28:03,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 3, 3] total 27 [2022-11-26 00:28:03,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424410940] [2022-11-26 00:28:03,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:28:03,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-26 00:28:03,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:28:03,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-26 00:28:03,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-11-26 00:28:03,929 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:28:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:07,940 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-11-26 00:28:07,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:28:07,941 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2022-11-26 00:28:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:07,942 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:28:07,942 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:28:07,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=244, Invalid=1238, Unknown=0, NotChecked=0, Total=1482 [2022-11-26 00:28:07,944 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 22 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:07,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 13 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:28:07,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:28:07,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:28:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:28:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:28:07,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-26 00:28:07,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:07,947 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:28:07,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:28:07,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:28:07,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:28:07,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-26 00:28:07,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-26 00:28:07,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-26 00:28:07,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-26 00:28:07,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-26 00:28:07,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-26 00:28:07,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-26 00:28:07,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-26 00:28:07,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-26 00:28:07,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-26 00:28:07,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-26 00:28:07,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-26 00:28:07,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-26 00:28:08,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:28:08,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:28:10,418 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:28:10,418 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:28:10,418 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:28:10,418 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:28:10,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-26 00:28:10,419 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-26 00:28:10,419 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-11-26 00:28:10,419 INFO L899 garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed. [2022-11-26 00:28:10,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-26 00:28:10,420 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1587) the Hoare annotation is: (let ((.cse14 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2))) (and (let ((.cse0 (<= 0 ~GLOBAL_CONST_FALSE~0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (<= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse5 (<= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (<= ~GLOBAL_CONST_TRUE~0 1)) (.cse7 (<= ~globalArgv~0.offset 0)) (.cse8 (<= ~GLOBAL_CONST_FIVE~0 5)) (.cse9 (<= 1 ~GLOBAL_CONST_TRUE~0)) (.cse10 (<= ~GLOBAL_CONST_FALSE~0 0)) (.cse11 (<= 0 ~globalArgv~0.offset)) (.cse12 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse13 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1))) (or (let ((.cse3 (+ |ULTIMATE.start_goodG2B_~data~1#1| 3)) (.cse4 (+ |ULTIMATE.start_goodG2B_~result~1#1| 3))) (and .cse0 .cse1 .cse2 (<= 0 .cse3) (<= 0 .cse4) .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_goodG2B_~j~0#1| 1) (<= .cse3 0) .cse12 .cse13 (<= .cse4 0))) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 .cse14) .cse11 .cse12 (<= 0 |ULTIMATE.start_goodG2B_~j~0#1|) (<= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse13))) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (<= .cse14 0) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1))) [2022-11-26 00:28:10,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-26 00:28:10,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:28:10,421 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-26 00:28:10,421 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-26 00:28:10,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-26 00:28:10,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-26 00:28:10,421 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-26 00:28:10,422 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-26 00:28:10,422 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse3 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= (select (select |#memory_int| 1) 0) 0)) (.cse5 (= ~globalArgv~0.offset 0)) (.cse6 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse10 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse11 (= (select |#valid| 4) 1)) (.cse12 (= (select |#length| 3) 18)) (.cse13 (= (select |#valid| 1) 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse15 (= ~globalArgv~0.base 0)) (.cse16 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (= 54 (select |#length| 2))) (.cse19 (= (select |#length| 1) 1)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= 16 (select |#length| 4))) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= ~globalFalse~0 0)) (.cse24 (= ~globalArgc~0 0)) (.cse25 (= 5 ~globalFive~0)) (.cse26 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse29 (= |#NULL.base| 0)) (.cse30 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30))) [2022-11-26 00:28:10,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-26 00:28:10,422 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-26 00:28:10,422 INFO L902 garLoopResultBuilder]: At program point L1599-1(line 1599) the Hoare annotation is: true [2022-11-26 00:28:10,423 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-26 00:28:10,423 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-26 00:28:10,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-26 00:28:10,423 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-26 00:28:10,424 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed. [2022-11-26 00:28:10,424 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-11-26 00:28:10,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-26 00:28:10,424 INFO L899 garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed. [2022-11-26 00:28:10,424 INFO L899 garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed. [2022-11-26 00:28:10,425 INFO L895 garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (and (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) (and .cse0 (= |ULTIMATE.start_goodG2B_~h~0#1| 1) .cse1 (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0)))) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-26 00:28:10,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-26 00:28:10,426 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 1) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 3) 0) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (< 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-26 00:28:10,426 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1580 1587) no Hoare annotation was computed. [2022-11-26 00:28:10,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:28:10,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-26 00:28:10,427 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-26 00:28:10,427 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-26 00:28:10,427 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-26 00:28:10,427 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-26 00:28:10,428 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= (select (select |#memory_int| 1) 0) 0)) (.cse4 (= ~globalArgv~0.offset 0)) (.cse5 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse10 (= (select |#valid| 4) 1)) (.cse11 (= (select |#length| 3) 18)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse14 (= ~globalArgv~0.base 0)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (= 54 (select |#length| 2))) (.cse18 (= (select |#length| 1) 1)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= 16 (select |#length| 4))) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= ~globalFalse~0 0)) (.cse23 (= ~globalArgc~0 0)) (.cse24 (= 5 ~globalFive~0)) (.cse25 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse26 (< 0 |#StackHeapBarrier|)) (.cse27 (= |#NULL.base| 0)) (.cse28 (= ~globalTrue~0 1))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse27 .cse28) (and .cse0 .cse1 .cse2 (< 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28))) [2022-11-26 00:28:10,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-26 00:28:10,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-26 00:28:10,431 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:28:10,433 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:28:10,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:28:10 BoogieIcfgContainer [2022-11-26 00:28:10,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:28:10,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:28:10,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:28:10,484 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:28:10,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:27:39" (3/4) ... [2022-11-26 00:28:10,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:28:10,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:28:10,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:28:10,502 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-26 00:28:10,502 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-26 00:28:10,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:28:10,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:28:10,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && 0 < data + 2147483648) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) [2022-11-26 00:28:10,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && argv == argv) && argc == \old(argc)) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && k == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) [2022-11-26 00:28:10,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((argv == argv && argc == \old(argc)) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && ((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && data == 0) && h == 0) || (((GLOBAL_CONST_FALSE == 0 && h == 1) && 1 <= i) && data + 2 == 0))) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1 [2022-11-26 00:28:10,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 0 <= data + 3) && 0 <= result + 3) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= j) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= globalArgv) && j <= 1) && data + 3 <= 0) && k <= 1) && i <= 1) && result + 3 <= 0) || ((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= data + 2) && 0 <= globalArgv) && k <= 1) && 0 <= j) && j <= 0) && i <= 1)) && argv == argv) && argc == \old(argc)) && 1 <= h) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && data + 2 <= 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1 [2022-11-26 00:28:10,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:28:10,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:28:10,553 INFO L158 Benchmark]: Toolchain (without parser) took 33812.81ms. Allocated memory was 138.4MB in the beginning and 333.4MB in the end (delta: 195.0MB). Free memory was 71.7MB in the beginning and 186.5MB in the end (delta: -114.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,553 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:28:10,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.95ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 101.4MB in the end (delta: -29.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.59ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 98.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,554 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 190.8MB. Free memory was 98.1MB in the beginning and 96.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:28:10,555 INFO L158 Benchmark]: RCFGBuilder took 794.33ms. Allocated memory is still 190.8MB. Free memory was 96.9MB in the beginning and 143.6MB in the end (delta: -46.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,555 INFO L158 Benchmark]: TraceAbstraction took 31312.32ms. Allocated memory was 190.8MB in the beginning and 333.4MB in the end (delta: 142.6MB). Free memory was 143.6MB in the beginning and 190.7MB in the end (delta: -47.0MB). Peak memory consumption was 185.7MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,555 INFO L158 Benchmark]: Witness Printer took 67.88ms. Allocated memory is still 333.4MB. Free memory was 190.7MB in the beginning and 186.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:28:10,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.95ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 101.4MB in the end (delta: -29.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.59ms. Allocated memory is still 190.8MB. Free memory was 101.4MB in the beginning and 98.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 190.8MB. Free memory was 98.1MB in the beginning and 96.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 794.33ms. Allocated memory is still 190.8MB. Free memory was 96.9MB in the beginning and 143.6MB in the end (delta: -46.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 31312.32ms. Allocated memory was 190.8MB in the beginning and 333.4MB in the end (delta: 142.6MB). Free memory was 143.6MB in the beginning and 190.7MB in the end (delta: -47.0MB). Peak memory consumption was 185.7MB. Max. memory is 16.1GB. * Witness Printer took 67.88ms. Allocated memory is still 333.4MB. Free memory was 190.7MB in the beginning and 186.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: 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 - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 1041 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 633 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 974 IncrementalHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 408 mSDtfsCounter, 974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 214 SyntacticMatches, 11 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=7, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 50 NumberOfFragments, 1338 HoareAnnotationTreeSize, 31 FomulaSimplifications, 518 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 2054 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 835 SizeOfPredicates, 3 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 94/107 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 3.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 64, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME: 1.8s, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME: 0.4s, TOOLS_POST_RETURN_APPLICATIONS: 20, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 142, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 224, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 64, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 0.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 20, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2871, DAG_COMPRESSION_RETAINED_NODES: 230, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((argv == argv && argc == \old(argc)) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && ((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && data == 0) && h == 0) || (((GLOBAL_CONST_FALSE == 0 && h == 1) && 1 <= i) && data + 2 == 0))) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 0 <= data + 3) && 0 <= result + 3) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= j) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= globalArgv) && j <= 1) && data + 3 <= 0) && k <= 1) && i <= 1) && result + 3 <= 0) || ((((((((((((((0 <= GLOBAL_CONST_FALSE && 1 <= i) && h <= 1) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && GLOBAL_CONST_FIVE <= 5) && 1 <= GLOBAL_CONST_TRUE) && GLOBAL_CONST_FALSE <= 0) && 0 <= data + 2) && 0 <= globalArgv) && k <= 1) && 0 <= j) && j <= 0) && i <= 1)) && argv == argv) && argc == \old(argc)) && 1 <= h) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && data + 2 <= 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && 0 < data + 2147483648) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && argv == argv) && argc == \old(argc)) && 1 <= k) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && k == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) RESULT: Ultimate proved your program to be correct! [2022-11-26 00:28:10,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cc88a6-75de-400a-8a9a-be37f130c43c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE