./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f8593d891a21a4a67b1d06008385927ca162e91057fc807b488b026b85aec37 --- 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 [2022-12-13 15:41:33,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:41:33,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:41:33,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:41:33,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:41:33,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:41:33,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:41:33,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:41:33,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:41:33,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:41:33,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:41:33,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:41:33,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:41:33,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:41:33,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:41:33,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:41:33,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:41:33,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:41:33,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:41:33,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:41:33,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:41:33,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:41:33,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:41:33,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:41:33,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:41:33,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:41:33,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:41:33,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:41:33,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:41:33,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:41:33,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:41:33,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:41:33,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:41:33,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:41:33,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:41:33,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:41:33,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:41:33,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:41:33,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:41:33,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:41:33,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:41:33,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:41:33,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:41:33,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:41:33,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:41:33,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:41:33,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:41:33,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:41:33,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:41:33,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:41:33,510 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:41:33,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:41:33,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:41:33,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:41:33,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:41:33,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:41:33,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:41:33,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:41:33,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:41:33,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:41:33,513 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:41:33,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:41:33,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:41:33,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:41:33,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:41:33,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:41:33,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:41:33,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:41:33,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:41:33,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:41:33,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:41:33,516 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8593d891a21a4a67b1d06008385927ca162e91057fc807b488b026b85aec37 [2022-12-13 15:41:33,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:41:33,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:41:33,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:41:33,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:41:33,762 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:41:33,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-12-13 15:41:36,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:41:36,580 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:41:36,581 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-12-13 15:41:36,598 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/data/429bb023d/499ce452f7f045cfb96557398a4a0f6e/FLAG13ee4d4cb [2022-12-13 15:41:36,610 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/data/429bb023d/499ce452f7f045cfb96557398a4a0f6e [2022-12-13 15:41:36,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:41:36,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:41:36,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:41:36,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:41:36,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:41:36,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:41:36" (1/1) ... [2022-12-13 15:41:36,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c06df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:36, skipping insertion in model container [2022-12-13 15:41:36,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:41:36" (1/1) ... [2022-12-13 15:41:36,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:41:36,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:41:36,932 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:41:37,279 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:41:37,284 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:41:37,286 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:41:37,288 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:41:37,289 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:41:37,322 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:41:37,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:41:37,332 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:41:37,348 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:41:37,390 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:41:37,392 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:41:37,394 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:41:37,396 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:41:37,397 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:41:37,410 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:41:37,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:41:37,513 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:41:37,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37 WrapperNode [2022-12-13 15:41:37,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:41:37,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:41:37,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:41:37,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:41:37,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,556 INFO L138 Inliner]: procedures = 503, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 185 [2022-12-13 15:41:37,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:41:37,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:41:37,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:41:37,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:41:37,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,574 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:41:37,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:41:37,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:41:37,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:41:37,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (1/1) ... [2022-12-13 15:41:37,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:41:37,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:41:37,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:41:37,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:41:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 15:41:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 15:41:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:41:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:41:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:41:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:41:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:41:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:41:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:41:37,732 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:41:37,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:41:37,972 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:41:37,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:41:37,979 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:41:37,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:41:37 BoogieIcfgContainer [2022-12-13 15:41:37,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:41:37,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:41:37,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:41:37,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:41:37,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:41:36" (1/3) ... [2022-12-13 15:41:37,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfd962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:41:37, skipping insertion in model container [2022-12-13 15:41:37,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:41:37" (2/3) ... [2022-12-13 15:41:37,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfd962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:41:37, skipping insertion in model container [2022-12-13 15:41:37,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:41:37" (3/3) ... [2022-12-13 15:41:37,988 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_15_good.i [2022-12-13 15:41:38,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:41:38,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 15:41:38,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:41:38,041 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=PETRI_NET, 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;@465afec9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:41:38,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 15:41:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 80 states have internal predecessors, (91), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 15:41:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 15:41:38,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:38,059 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)] === [2022-12-13 15:41:38,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1233569288, now seen corresponding path program 1 times [2022-12-13 15:41:38,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804293828] [2022-12-13 15:41:38,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804293828] [2022-12-13 15:41:38,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804293828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:38,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737728525] [2022-12-13 15:41:38,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,303 INFO L87 Difference]: Start difference. First operand has 85 states, 58 states have (on average 1.5689655172413792) internal successors, (91), 80 states have internal predecessors, (91), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-13 15:41:38,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,335 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2022-12-13 15:41:38,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2022-12-13 15:41:38,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,344 INFO L225 Difference]: With dead ends: 161 [2022-12-13 15:41:38,344 INFO L226 Difference]: Without dead ends: 72 [2022-12-13 15:41:38,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,350 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 4 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 229 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-13 15:41:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-13 15:41:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.54) internal successors, (77), 68 states have internal predecessors, (77), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 15:41:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2022-12-13 15:41:38,392 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 16 [2022-12-13 15:41:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,394 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2022-12-13 15:41:38,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-13 15:41:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-12-13 15:41:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 15:41:38,395 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:38,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:41:38,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1225464217, now seen corresponding path program 1 times [2022-12-13 15:41:38,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520271371] [2022-12-13 15:41:38,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520271371] [2022-12-13 15:41:38,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520271371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:38,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915150375] [2022-12-13 15:41:38,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,501 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-12-13 15:41:38,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,532 INFO L93 Difference]: Finished difference Result 118 states and 168 transitions. [2022-12-13 15:41:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2022-12-13 15:41:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,535 INFO L225 Difference]: With dead ends: 118 [2022-12-13 15:41:38,535 INFO L226 Difference]: Without dead ends: 117 [2022-12-13 15:41:38,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,537 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 57 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 259 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-12-13 15:41:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 71. [2022-12-13 15:41:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.52) internal successors, (76), 67 states have internal predecessors, (76), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 15:41:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2022-12-13 15:41:38,552 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 17 [2022-12-13 15:41:38,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,552 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2022-12-13 15:41:38,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-12-13 15:41:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-12-13 15:41:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 15:41:38,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:38,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:41:38,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash 665315020, now seen corresponding path program 1 times [2022-12-13 15:41:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940431508] [2022-12-13 15:41:38,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940431508] [2022-12-13 15:41:38,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940431508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:38,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652299759] [2022-12-13 15:41:38,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,627 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-13 15:41:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,648 INFO L93 Difference]: Finished difference Result 117 states and 167 transitions. [2022-12-13 15:41:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2022-12-13 15:41:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,651 INFO L225 Difference]: With dead ends: 117 [2022-12-13 15:41:38,651 INFO L226 Difference]: Without dead ends: 116 [2022-12-13 15:41:38,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,653 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 53 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 259 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-12-13 15:41:38,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 70. [2022-12-13 15:41:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.5) internal successors, (75), 66 states have internal predecessors, (75), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 15:41:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2022-12-13 15:41:38,665 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 18 [2022-12-13 15:41:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,665 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2022-12-13 15:41:38,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-13 15:41:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-12-13 15:41:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 15:41:38,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,667 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] [2022-12-13 15:41:38,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:41:38,668 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash -896701737, now seen corresponding path program 1 times [2022-12-13 15:41:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052658255] [2022-12-13 15:41:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052658255] [2022-12-13 15:41:38,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052658255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:38,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391944745] [2022-12-13 15:41:38,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,724 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-13 15:41:38,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,737 INFO L93 Difference]: Finished difference Result 123 states and 172 transitions. [2022-12-13 15:41:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 23 [2022-12-13 15:41:38,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,739 INFO L225 Difference]: With dead ends: 123 [2022-12-13 15:41:38,739 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 15:41:38,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,741 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 7 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 15:41:38,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-13 15:41:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.48) internal successors, (74), 66 states have internal predecessors, (74), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 15:41:38,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2022-12-13 15:41:38,748 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 23 [2022-12-13 15:41:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,748 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2022-12-13 15:41:38,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-13 15:41:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-12-13 15:41:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 15:41:38,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,749 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] [2022-12-13 15:41:38,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:41:38,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash -675215489, now seen corresponding path program 1 times [2022-12-13 15:41:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048202977] [2022-12-13 15:41:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048202977] [2022-12-13 15:41:38,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048202977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:38,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102933468] [2022-12-13 15:41:38,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,794 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-13 15:41:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,804 INFO L93 Difference]: Finished difference Result 116 states and 160 transitions. [2022-12-13 15:41:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 24 [2022-12-13 15:41:38,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,806 INFO L225 Difference]: With dead ends: 116 [2022-12-13 15:41:38,806 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 15:41:38,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,808 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 4 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 15:41:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-13 15:41:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 64 states have internal predecessors, (71), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2022-12-13 15:41:38,812 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 24 [2022-12-13 15:41:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,813 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2022-12-13 15:41:38,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-12-13 15:41:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-12-13 15:41:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 15:41:38,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,814 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, 1] [2022-12-13 15:41:38,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:41:38,815 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash -311531353, now seen corresponding path program 1 times [2022-12-13 15:41:38,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814195011] [2022-12-13 15:41:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814195011] [2022-12-13 15:41:38,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814195011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:38,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196220648] [2022-12-13 15:41:38,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,860 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-13 15:41:38,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,876 INFO L93 Difference]: Finished difference Result 95 states and 130 transitions. [2022-12-13 15:41:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 25 [2022-12-13 15:41:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,878 INFO L225 Difference]: With dead ends: 95 [2022-12-13 15:41:38,878 INFO L226 Difference]: Without dead ends: 94 [2022-12-13 15:41:38,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,879 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 35 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 172 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-12-13 15:41:38,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 67. [2022-12-13 15:41:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 63 states have internal predecessors, (70), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2022-12-13 15:41:38,885 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 25 [2022-12-13 15:41:38,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,885 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2022-12-13 15:41:38,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-13 15:41:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-12-13 15:41:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 15:41:38,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,886 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, 1, 1] [2022-12-13 15:41:38,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:41:38,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1067537221, now seen corresponding path program 1 times [2022-12-13 15:41:38,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248813938] [2022-12-13 15:41:38,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248813938] [2022-12-13 15:41:38,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248813938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:38,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694570317] [2022-12-13 15:41:38,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,928 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-13 15:41:38,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,943 INFO L93 Difference]: Finished difference Result 94 states and 129 transitions. [2022-12-13 15:41:38,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:38,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 26 [2022-12-13 15:41:38,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,944 INFO L225 Difference]: With dead ends: 94 [2022-12-13 15:41:38,944 INFO L226 Difference]: Without dead ends: 93 [2022-12-13 15:41:38,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,945 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 31 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 209 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-13 15:41:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-12-13 15:41:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 62 states have internal predecessors, (69), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 91 transitions. [2022-12-13 15:41:38,950 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 91 transitions. Word has length 26 [2022-12-13 15:41:38,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,951 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 91 transitions. [2022-12-13 15:41:38,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-13 15:41:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2022-12-13 15:41:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 15:41:38,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,952 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:38,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:41:38,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:38,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:38,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1431522045, now seen corresponding path program 1 times [2022-12-13 15:41:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:38,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960488957] [2022-12-13 15:41:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:38,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:38,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:38,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960488957] [2022-12-13 15:41:38,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960488957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:38,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118434136] [2022-12-13 15:41:38,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:38,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:38,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:38,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:38,994 INFO L87 Difference]: Start difference. First operand 66 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-13 15:41:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,004 INFO L93 Difference]: Finished difference Result 66 states and 91 transitions. [2022-12-13 15:41:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2022-12-13 15:41:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,005 INFO L225 Difference]: With dead ends: 66 [2022-12-13 15:41:39,006 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 15:41:39,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,006 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 22 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 15:41:39,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-12-13 15:41:39,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 61 states have internal predecessors, (68), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2022-12-13 15:41:39,011 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 31 [2022-12-13 15:41:39,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,011 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2022-12-13 15:41:39,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-13 15:41:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-13 15:41:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 15:41:39,013 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,013 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:41:39,014 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1427510608, now seen corresponding path program 1 times [2022-12-13 15:41:39,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720728498] [2022-12-13 15:41:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720728498] [2022-12-13 15:41:39,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720728498] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:39,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473508008] [2022-12-13 15:41:39,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,059 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-12-13 15:41:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,074 INFO L93 Difference]: Finished difference Result 102 states and 136 transitions. [2022-12-13 15:41:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 32 [2022-12-13 15:41:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,075 INFO L225 Difference]: With dead ends: 102 [2022-12-13 15:41:39,076 INFO L226 Difference]: Without dead ends: 85 [2022-12-13 15:41:39,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,076 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 16 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 173 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 [2022-12-13 15:41:39,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 173 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-13 15:41:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 70. [2022-12-13 15:41:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 66 states have internal predecessors, (74), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2022-12-13 15:41:39,082 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 32 [2022-12-13 15:41:39,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,082 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2022-12-13 15:41:39,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-12-13 15:41:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-12-13 15:41:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 15:41:39,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,083 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:41:39,084 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1484768910, now seen corresponding path program 1 times [2022-12-13 15:41:39,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690339354] [2022-12-13 15:41:39,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690339354] [2022-12-13 15:41:39,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690339354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787918366] [2022-12-13 15:41:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,118 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-12-13 15:41:39,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,127 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2022-12-13 15:41:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 32 [2022-12-13 15:41:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,128 INFO L225 Difference]: With dead ends: 98 [2022-12-13 15:41:39,128 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 15:41:39,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,130 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 15:41:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-13 15:41:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 65 states have internal predecessors, (73), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 15:41:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2022-12-13 15:41:39,135 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 32 [2022-12-13 15:41:39,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,135 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2022-12-13 15:41:39,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-12-13 15:41:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2022-12-13 15:41:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 15:41:39,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:41:39,137 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,138 INFO L85 PathProgramCache]: Analyzing trace with hash 936736049, now seen corresponding path program 1 times [2022-12-13 15:41:39,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580025285] [2022-12-13 15:41:39,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 15:41:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 15:41:39,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580025285] [2022-12-13 15:41:39,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580025285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:39,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942748062] [2022-12-13 15:41:39,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,174 INFO L87 Difference]: Start difference. First operand 70 states and 95 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-13 15:41:39,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,183 INFO L93 Difference]: Finished difference Result 92 states and 121 transitions. [2022-12-13 15:41:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 36 [2022-12-13 15:41:39,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,184 INFO L225 Difference]: With dead ends: 92 [2022-12-13 15:41:39,184 INFO L226 Difference]: Without dead ends: 63 [2022-12-13 15:41:39,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,185 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-13 15:41:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 15:41:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 15:41:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2022-12-13 15:41:39,189 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 36 [2022-12-13 15:41:39,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,189 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2022-12-13 15:41:39,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-13 15:41:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-12-13 15:41:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 15:41:39,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:41:39,192 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1092680434, now seen corresponding path program 1 times [2022-12-13 15:41:39,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654080095] [2022-12-13 15:41:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654080095] [2022-12-13 15:41:39,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654080095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:39,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305272760] [2022-12-13 15:41:39,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,231 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-12-13 15:41:39,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,238 INFO L93 Difference]: Finished difference Result 79 states and 102 transitions. [2022-12-13 15:41:39,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 37 [2022-12-13 15:41:39,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,239 INFO L225 Difference]: With dead ends: 79 [2022-12-13 15:41:39,239 INFO L226 Difference]: Without dead ends: 61 [2022-12-13 15:41:39,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,240 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-13 15:41:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-13 15:41:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 56 states have internal predecessors, (61), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 15:41:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2022-12-13 15:41:39,244 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 37 [2022-12-13 15:41:39,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,244 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2022-12-13 15:41:39,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-12-13 15:41:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-12-13 15:41:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 15:41:39,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,245 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:41:39,245 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1275806093, now seen corresponding path program 1 times [2022-12-13 15:41:39,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409932226] [2022-12-13 15:41:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:41:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409932226] [2022-12-13 15:41:39,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409932226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:39,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629789895] [2022-12-13 15:41:39,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,291 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-12-13 15:41:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,299 INFO L93 Difference]: Finished difference Result 61 states and 79 transitions. [2022-12-13 15:41:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 43 [2022-12-13 15:41:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,301 INFO L225 Difference]: With dead ends: 61 [2022-12-13 15:41:39,301 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 15:41:39,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,302 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 142 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 15:41:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 15:41:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.25) internal successors, (60), 55 states have internal predecessors, (60), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 15:41:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 78 transitions. [2022-12-13 15:41:39,311 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 78 transitions. Word has length 43 [2022-12-13 15:41:39,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,312 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 78 transitions. [2022-12-13 15:41:39,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-12-13 15:41:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2022-12-13 15:41:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 15:41:39,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:41:39,313 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,314 INFO L85 PathProgramCache]: Analyzing trace with hash -895283007, now seen corresponding path program 1 times [2022-12-13 15:41:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288440511] [2022-12-13 15:41:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:41:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288440511] [2022-12-13 15:41:39,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288440511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:39,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476963122] [2022-12-13 15:41:39,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,370 INFO L87 Difference]: Start difference. First operand 60 states and 78 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-12-13 15:41:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,379 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2022-12-13 15:41:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 44 [2022-12-13 15:41:39,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,380 INFO L225 Difference]: With dead ends: 66 [2022-12-13 15:41:39,380 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 15:41:39,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,380 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 15:41:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 15:41:39,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 55 states have internal predecessors, (59), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 15:41:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2022-12-13 15:41:39,384 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 44 [2022-12-13 15:41:39,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,384 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2022-12-13 15:41:39,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-12-13 15:41:39,384 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-12-13 15:41:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 15:41:39,384 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:39,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:41:39,385 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 15:41:39,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,385 INFO L85 PathProgramCache]: Analyzing trace with hash -269082089, now seen corresponding path program 1 times [2022-12-13 15:41:39,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:39,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812924337] [2022-12-13 15:41:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:41:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 15:41:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:41:39,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:39,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812924337] [2022-12-13 15:41:39,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812924337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:39,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:39,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:39,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504611293] [2022-12-13 15:41:39,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:39,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:39,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:39,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:39,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,432 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-12-13 15:41:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:39,434 INFO L93 Difference]: Finished difference Result 64 states and 81 transitions. [2022-12-13 15:41:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:39,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 45 [2022-12-13 15:41:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:39,435 INFO L225 Difference]: With dead ends: 64 [2022-12-13 15:41:39,435 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:41:39,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:39,436 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:39,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:39,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:41:39,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:41:39,437 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) [2022-12-13 15:41:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:41:39,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-12-13 15:41:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:39,437 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:41:39,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-12-13 15:41:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:41:39,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:41:39,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 15:41:39,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 15:41:39,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 15:41:39,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:41:39,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:41:39,502 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 15:41:39,502 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L902 garLoopResultBuilder]: At program point L1662(line 1662) the Hoare annotation is: true [2022-12-13 15:41:39,503 INFO L895 garLoopResultBuilder]: At program point L1629(lines 1629 1641) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch113#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-13 15:41:39,503 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point L1555-2(line 1555) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1677 1684) the Hoare annotation is: true [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point L1638(line 1638) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:41:39,504 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch101#1| [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1589-2(line 1589) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1680-1(line 1680) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L895 garLoopResultBuilder]: At program point L1647(lines 1647 1655) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse0) (<= .cse0 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1581) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L895 garLoopResultBuilder]: At program point L1639(line 1639) the Hoare annotation is: false [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-13 15:41:39,505 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1609) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L902 garLoopResultBuilder]: At program point L1656(lines 1656 1668) the Hoare annotation is: true [2022-12-13 15:41:39,506 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: false [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1615) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1665(line 1665) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-12-13 15:41:39,506 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-12-13 15:41:39,507 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1682-1(line 1682) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1642) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1608) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1578) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2022-12-13 15:41:39,507 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: false [2022-12-13 15:41:39,508 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch101#1| (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 1663) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch92#1| [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1669) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch113#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2022-12-13 15:41:39,508 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1577) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1580) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch101#1| [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point L1652(line 1652) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L895 garLoopResultBuilder]: At program point L1586(lines 1586 1594) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch102#1| [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-12-13 15:41:39,509 INFO L899 garLoopResultBuilder]: For program point L1661(line 1661) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point L1661-1(line 1661) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L902 garLoopResultBuilder]: At program point L1595(lines 1595 1614) the Hoare annotation is: true [2022-12-13 15:41:39,510 INFO L895 garLoopResultBuilder]: At program point L1653(line 1653) the Hoare annotation is: false [2022-12-13 15:41:39,510 INFO L895 garLoopResultBuilder]: At program point L1620(lines 1620 1628) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) |ULTIMATE.start_goodG2B1_#t~switch112#1| (<= 0 .cse0))) [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1661) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point L1670(lines 1670 1676) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2022-12-13 15:41:39,510 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2022-12-13 15:41:39,513 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:39,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:41:39,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:41:39 BoogieIcfgContainer [2022-12-13 15:41:39,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:41:39,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:41:39,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:41:39,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:41:39,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:41:37" (3/4) ... [2022-12-13 15:41:39,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:41:39,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 15:41:39,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 15:41:39,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 15:41:39,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 15:41:39,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 15:41:39,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:41:39,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:41:39,575 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:41:39,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:41:39,576 INFO L158 Benchmark]: Toolchain (without parser) took 2962.16ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 91.7MB in the beginning and 74.8MB in the end (delta: 16.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,576 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:41:39,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.59ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 77.9MB in the end (delta: 13.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.10ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 73.6MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,576 INFO L158 Benchmark]: Boogie Preprocessor took 20.30ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,576 INFO L158 Benchmark]: RCFGBuilder took 403.33ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 52.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,577 INFO L158 Benchmark]: TraceAbstraction took 1544.32ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 79.0MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:41:39,577 INFO L158 Benchmark]: Witness Printer took 47.07ms. Allocated memory is still 157.3MB. Free memory was 79.0MB in the beginning and 74.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:41:39,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.59ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 77.9MB in the end (delta: 13.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.10ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 73.6MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.30ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.33ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 52.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1544.32ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 79.0MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.07ms. Allocated memory is still 157.3MB. Free memory was 79.0MB in the beginning and 74.8MB 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1661]: 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, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1220 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1491 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 15 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 78 PreInvPairs, 97 NumberOfFragments, 96 HoareAnnotationTreeSize, 78 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 449 NumberOfCodeBlocks, 449 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 4/4 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: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1629]: Loop Invariant Derived loop invariant: aux-switch(7) { case 7: if(data < 0) { int result = data * 2; printIntLine(result); } break; default: printLine("Benign, fixed string"); break; }-aux && 0 <= 2 + data - InvariantResult [Line: 1677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1620]: Loop Invariant Derived loop invariant: (2 + data <= 0 && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = -2; break; }-aux) && 0 <= 2 + data - InvariantResult [Line: 1647]: Loop Invariant Derived loop invariant: (0 <= data + 2 && data + 2 <= 0) && 0 <= 2 + data RESULT: Ultimate proved your program to be correct! [2022-12-13 15:41:39,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274ae976-848c-4cc3-a27d-882b9a4eded3/bin/uautomizer-uyxdKDjOR8/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