./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e17ebfd13849c4f3dd5ba49c1e5b2c8593211ae1fc977a56422dbbd14ff48b08 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:11:37,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:11:37,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:11:37,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:11:37,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:11:37,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:11:37,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:11:37,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:11:37,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:11:37,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:11:37,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:11:37,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:11:37,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:11:37,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:11:37,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:11:37,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:11:37,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:11:37,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:11:37,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:11:37,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:11:37,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:11:37,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:11:37,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:11:37,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:11:37,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:11:37,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:11:37,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:11:37,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:11:37,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:11:37,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:11:37,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:11:37,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:11:37,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:11:37,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:11:37,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:11:37,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:11:37,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:11:37,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:11:37,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:11:37,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:11:37,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:11:37,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:11:37,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:11:37,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:11:37,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:11:37,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:11:37,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:11:37,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:11:37,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:11:37,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:11:37,173 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:11:37,174 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:11:37,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:11:37,175 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:11:37,175 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:11:37,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:11:37,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:11:37,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:11:37,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:11:37,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:11:37,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:11:37,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:11:37,177 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:11:37,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:11:37,177 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:11:37,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:11:37,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:11:37,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:11:37,178 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:11:37,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:11:37,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:11:37,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:11:37,179 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_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e17ebfd13849c4f3dd5ba49c1e5b2c8593211ae1fc977a56422dbbd14ff48b08 [2022-12-14 07:11:37,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:11:37,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:11:37,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:11:37,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:11:37,393 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:11:37,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_04_good.i [2022-12-14 07:11:39,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:11:40,197 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:11:40,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_04_good.i [2022-12-14 07:11:40,210 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/data/95f97b04c/24c299eb765046ed8556aad247bf25a2/FLAG43f1751fc [2022-12-14 07:11:40,522 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/data/95f97b04c/24c299eb765046ed8556aad247bf25a2 [2022-12-14 07:11:40,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:11:40,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:11:40,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:40,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:11:40,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:11:40,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:40" (1/1) ... [2022-12-14 07:11:40,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcb783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:40, skipping insertion in model container [2022-12-14 07:11:40,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:40" (1/1) ... [2022-12-14 07:11:40,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:11:40,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:11:40,779 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:11:41,085 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:11:41,089 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:11:41,091 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:11:41,092 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:11:41,093 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:11:41,118 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:11:41,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:11:41,126 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:11:41,139 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:11:41,167 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:11:41,169 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:11:41,170 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:11:41,171 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:11:41,172 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:11:41,177 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:11:41,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:11:41,270 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:11:41,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41 WrapperNode [2022-12-14 07:11:41,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:41,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:11:41,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:11:41,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:11:41,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,310 INFO L138 Inliner]: procedures = 503, calls = 83, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-12-14 07:11:41,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:11:41,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:11:41,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:11:41,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:11:41,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:11:41,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:11:41,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:11:41,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:11:41,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (1/1) ... [2022-12-14 07:11:41,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:11:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:11:41,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:11:41,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:11:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 07:11:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:11:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:11:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:11:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:11:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:11:41,505 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:11:41,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:11:41,677 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:11:41,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:11:41,723 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:11:41,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:11:41 BoogieIcfgContainer [2022-12-14 07:11:41,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:11:41,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:11:41,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:11:41,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:11:41,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:11:40" (1/3) ... [2022-12-14 07:11:41,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4a1071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:11:41, skipping insertion in model container [2022-12-14 07:11:41,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:41" (2/3) ... [2022-12-14 07:11:41,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4a1071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:11:41, skipping insertion in model container [2022-12-14 07:11:41,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:11:41" (3/3) ... [2022-12-14 07:11:41,732 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_04_good.i [2022-12-14 07:11:41,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:11:41,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 07:11:41,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:11:41,785 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;@1ff37be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:11:41,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 07:11:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 44 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 07:11:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:11:41,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:41,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:41,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:41,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:41,798 INFO L85 PathProgramCache]: Analyzing trace with hash 218321953, now seen corresponding path program 1 times [2022-12-14 07:11:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:41,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350322346] [2022-12-14 07:11:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350322346] [2022-12-14 07:11:42,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350322346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:11:42,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108835875] [2022-12-14 07:11:42,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:11:42,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:11:42,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,082 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 44 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,191 INFO L93 Difference]: Finished difference Result 50 states and 68 transitions. [2022-12-14 07:11:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:11:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 07:11:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,201 INFO L225 Difference]: With dead ends: 50 [2022-12-14 07:11:42,201 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 07:11:42,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:11:42,205 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 7 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 187 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:11:42,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 07:11:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2022-12-14 07:11:42,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 39 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-12-14 07:11:42,235 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 9 [2022-12-14 07:11:42,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,236 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-12-14 07:11:42,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-14 07:11:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 07:11:42,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:11:42,238 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1821953983, now seen corresponding path program 1 times [2022-12-14 07:11:42,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245306543] [2022-12-14 07:11:42,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245306543] [2022-12-14 07:11:42,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245306543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:11:42,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971342749] [2022-12-14 07:11:42,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:11:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:11:42,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,397 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 5 states, 4 states have (on average 2.0) 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) [2022-12-14 07:11:42,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,474 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-12-14 07:11:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:11:42,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) 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 [2022-12-14 07:11:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,476 INFO L225 Difference]: With dead ends: 43 [2022-12-14 07:11:42,477 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 07:11:42,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,478 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:11:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 07:11:42,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-14 07:11:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-12-14 07:11:42,487 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 10 [2022-12-14 07:11:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,488 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2022-12-14 07:11:42,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) 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) [2022-12-14 07:11:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 07:11:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:11:42,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:11:42,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1975966526, now seen corresponding path program 1 times [2022-12-14 07:11:42,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229848007] [2022-12-14 07:11:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229848007] [2022-12-14 07:11:42,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229848007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:11:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133701614] [2022-12-14 07:11:42,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:11:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:11:42,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,576 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,642 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-12-14 07:11:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:11:42,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 07:11:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,644 INFO L225 Difference]: With dead ends: 43 [2022-12-14 07:11:42,644 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 07:11:42,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:11:42,645 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:11:42,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 07:11:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2022-12-14 07:11:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.5) internal successors, (39), 37 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-12-14 07:11:42,650 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 12 [2022-12-14 07:11:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,650 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2022-12-14 07:11:42,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-14 07:11:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 07:11:42,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:11:42,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1125420258, now seen corresponding path program 1 times [2022-12-14 07:11:42,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460766925] [2022-12-14 07:11:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460766925] [2022-12-14 07:11:42,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460766925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:11:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402332819] [2022-12-14 07:11:42,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:11:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:11:42,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,727 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,780 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-12-14 07:11:42,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:11:42,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 07:11:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,781 INFO L225 Difference]: With dead ends: 41 [2022-12-14 07:11:42,781 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 07:11:42,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:11:42,782 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:42,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 07:11:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 07:11:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 36 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2022-12-14 07:11:42,787 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 13 [2022-12-14 07:11:42,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,787 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2022-12-14 07:11:42,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-12-14 07:11:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 07:11:42,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:11:42,788 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1197659766, now seen corresponding path program 1 times [2022-12-14 07:11:42,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088431532] [2022-12-14 07:11:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088431532] [2022-12-14 07:11:42,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088431532] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:42,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801328882] [2022-12-14 07:11:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:42,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,830 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,851 INFO L93 Difference]: Finished difference Result 61 states and 77 transitions. [2022-12-14 07:11:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:42,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 07:11:42,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,853 INFO L225 Difference]: With dead ends: 61 [2022-12-14 07:11:42,853 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 07:11:42,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,854 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 42 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:42,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 07:11:42,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 07:11:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 36 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 52 transitions. [2022-12-14 07:11:42,862 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 52 transitions. Word has length 14 [2022-12-14 07:11:42,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,862 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 52 transitions. [2022-12-14 07:11:42,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-12-14 07:11:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 07:11:42,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:11:42,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,864 INFO L85 PathProgramCache]: Analyzing trace with hash -308124515, now seen corresponding path program 1 times [2022-12-14 07:11:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266129333] [2022-12-14 07:11:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:42,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266129333] [2022-12-14 07:11:42,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266129333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:11:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650079267] [2022-12-14 07:11:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,906 INFO L87 Difference]: Start difference. First operand 40 states and 52 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:42,941 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2022-12-14 07:11:42,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:42,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-14 07:11:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:42,942 INFO L225 Difference]: With dead ends: 61 [2022-12-14 07:11:42,942 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 07:11:42,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,944 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:42,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 86 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 07:11:42,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2022-12-14 07:11:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 39 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 07:11:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2022-12-14 07:11:42,949 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 15 [2022-12-14 07:11:42,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:42,949 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2022-12-14 07:11:42,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:11:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 07:11:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 07:11:42,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:42,950 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:42,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:11:42,950 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:42,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1896531151, now seen corresponding path program 1 times [2022-12-14 07:11:42,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:42,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724642353] [2022-12-14 07:11:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:11:42,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:42,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724642353] [2022-12-14 07:11:42,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724642353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:42,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:42,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:42,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929364830] [2022-12-14 07:11:42,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:42,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:42,998 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 07:11:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:43,021 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2022-12-14 07:11:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:43,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 18 [2022-12-14 07:11:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:43,022 INFO L225 Difference]: With dead ends: 70 [2022-12-14 07:11:43,022 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 07:11:43,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:43,023 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:43,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 34 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:43,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 07:11:43,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-14 07:11:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 31 states have internal predecessors, (31), 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) [2022-12-14 07:11:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-12-14 07:11:43,028 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 18 [2022-12-14 07:11:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:43,028 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-12-14 07:11:43,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 07:11:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-12-14 07:11:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 07:11:43,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:43,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:43,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:11:43,029 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:43,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:43,030 INFO L85 PathProgramCache]: Analyzing trace with hash 233870070, now seen corresponding path program 1 times [2022-12-14 07:11:43,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:43,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448649519] [2022-12-14 07:11:43,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:43,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:43,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448649519] [2022-12-14 07:11:43,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448649519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:43,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:43,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:11:43,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613517423] [2022-12-14 07:11:43,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:43,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:11:43,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:43,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:11:43,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:43,071 INFO L87 Difference]: Start difference. First operand 36 states and 43 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) [2022-12-14 07:11:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:43,095 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-12-14 07:11:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:11:43,096 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 23 [2022-12-14 07:11:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:43,097 INFO L225 Difference]: With dead ends: 36 [2022-12-14 07:11:43,097 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 07:11:43,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:11:43,098 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:43,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 65 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 07:11:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 07:11:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 30 states have internal predecessors, (30), 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) [2022-12-14 07:11:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-12-14 07:11:43,102 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 23 [2022-12-14 07:11:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:43,102 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-12-14 07:11:43,102 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) [2022-12-14 07:11:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-14 07:11:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 07:11:43,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:11:43,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:43,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:11:43,103 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 07:11:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:11:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1339962271, now seen corresponding path program 1 times [2022-12-14 07:11:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:11:43,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58059938] [2022-12-14 07:11:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:11:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:11:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:11:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:11:43,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:11:43,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58059938] [2022-12-14 07:11:43,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58059938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:11:43,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:11:43,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:11:43,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675358999] [2022-12-14 07:11:43,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:11:43,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:11:43,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:11:43,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:11:43,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:11:43,161 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 07:11:43,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:11:43,189 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2022-12-14 07:11:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:11:43,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 24 [2022-12-14 07:11:43,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:11:43,190 INFO L225 Difference]: With dead ends: 35 [2022-12-14 07:11:43,190 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:11:43,191 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 [2022-12-14 07:11:43,191 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 31 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:11:43,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 58 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:11:43,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:11:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:11:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:11:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:11:43,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-12-14 07:11:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:11:43,193 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:11:43,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 07:11:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:11:43,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:11:43,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 07:11:43,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 07:11:43,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:11:43,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:11:43,239 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 07:11:43,239 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1599) no Hoare annotation was computed. [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-12-14 07:11:43,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1575) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1576) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1613) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|)) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1606-1(lines 1603 1622) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1639) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1598) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1579 1601) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1574) no Hoare annotation was computed. [2022-12-14 07:11:43,240 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1620) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: false [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1637) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L895 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|))) [2022-12-14 07:11:43,241 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1635(line 1635) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1622) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2022-12-14 07:11:43,241 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= 1 (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|)) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 07:11:43,241 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point L1627-2(lines 1624 1639) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L902 garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: true [2022-12-14 07:11:43,242 INFO L895 garLoopResultBuilder]: At program point L1619(line 1619) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 07:11:43,242 INFO L902 garLoopResultBuilder]: At program point L1652-1(line 1652) the Hoare annotation is: true [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1600) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L902 garLoopResultBuilder]: At program point L1636(line 1636) the Hoare annotation is: true [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1577) no Hoare annotation was computed. [2022-12-14 07:11:43,242 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-12-14 07:11:43,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:11:43,246 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:11:43,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:11:43 BoogieIcfgContainer [2022-12-14 07:11:43,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:11:43,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:11:43,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:11:43,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:11:43,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:11:41" (3/4) ... [2022-12-14 07:11:43,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:11:43,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 07:11:43,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 07:11:43,264 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-14 07:11:43,264 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 07:11:43,264 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 07:11:43,264 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:11:43,290 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:11:43,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:11:43,290 INFO L158 Benchmark]: Toolchain (without parser) took 2765.29ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 112.0MB in the beginning and 87.5MB in the end (delta: 24.6MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,290 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 744.74ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 112.0MB in the beginning and 136.7MB in the end (delta: -24.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.64ms. Allocated memory is still 180.4MB. Free memory was 136.7MB in the beginning and 134.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 180.4MB. Free memory was 133.6MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: RCFGBuilder took 394.36ms. Allocated memory is still 180.4MB. Free memory was 132.5MB in the beginning and 111.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: TraceAbstraction took 1524.52ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 91.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,291 INFO L158 Benchmark]: Witness Printer took 37.32ms. Allocated memory is still 180.4MB. Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 91.5MB in the beginning and 91.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 744.74ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 112.0MB in the beginning and 136.7MB in the end (delta: -24.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.64ms. Allocated memory is still 180.4MB. Free memory was 136.7MB in the beginning and 134.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 180.4MB. Free memory was 133.6MB in the beginning and 132.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.36ms. Allocated memory is still 180.4MB. Free memory was 132.5MB in the beginning and 111.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1524.52ms. Allocated memory is still 180.4MB. Free memory was 110.5MB in the beginning and 91.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 37.32ms. Allocated memory is still 180.4MB. Free memory was 91.7MB in the beginning and 87.5MB 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 943 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 580 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 363 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 26 PreInvPairs, 29 NumberOfFragments, 77 HoareAnnotationTreeSize, 26 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 07:11:43,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5dcf8ae-2318-4bb9-82ca-825bef43e7b9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE