./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_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_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/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_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/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_98c5561a-eb59-4cff-a8a5-090c51f3350d/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 9c4dbc09c2ea8c45dda5d199b6041d4b1b9e3a26e2e22f53ea4e5914c7976ed3 --- 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 18:47:52,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:47:52,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:47:52,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:47:52,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:47:52,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:47:52,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:47:52,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:47:52,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:47:52,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:47:52,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:47:52,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:47:52,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:47:52,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:47:52,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:47:52,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:47:52,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:47:52,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:47:52,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:47:52,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:47:52,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:47:52,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:47:52,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:47:52,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:47:52,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:47:52,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:47:52,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:47:52,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:47:52,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:47:52,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:47:52,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:47:52,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:47:52,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:47:52,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:47:52,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:47:52,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:47:52,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:47:52,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:47:52,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:47:52,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:47:52,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:47:52,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:47:52,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:47:52,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:47:52,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:47:52,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:47:52,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:47:52,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:47:52,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:47:52,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:47:52,563 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:47:52,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:47:52,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:47:52,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:47:52,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:47:52,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:47:52,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:47:52,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:47:52,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:47:52,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:47:52,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:47:52,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:47:52,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:47:52,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:47:52,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:47:52,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:47:52,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:47:52,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:47:52,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:47:52,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:47:52,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:47:52,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:47:52,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:47:52,573 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:47:52,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:47:52,573 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:47:52,574 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_98c5561a-eb59-4cff-a8a5-090c51f3350d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c4dbc09c2ea8c45dda5d199b6041d4b1b9e3a26e2e22f53ea4e5914c7976ed3 [2022-12-13 18:47:52,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:47:52,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:47:52,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:47:52,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:47:52,783 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:47:52,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2022-12-13 18:47:55,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:47:55,653 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:47:55,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2022-12-13 18:47:55,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/data/41c178ea0/44da565466614e5ea793198e41dd959a/FLAG0aee32705 [2022-12-13 18:47:55,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/data/41c178ea0/44da565466614e5ea793198e41dd959a [2022-12-13 18:47:55,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:47:55,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:47:55,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:55,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:47:55,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:47:55,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:55" (1/1) ... [2022-12-13 18:47:55,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46adf858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:55, skipping insertion in model container [2022-12-13 18:47:55,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:47:55" (1/1) ... [2022-12-13 18:47:55,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:47:55,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:47:56,043 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:47:56,341 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:47:56,345 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:56,346 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:56,348 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:56,349 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:56,369 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:47:56,374 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:47:56,382 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:47:56,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:56,394 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:47:56,414 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:47:56,460 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:47:56,461 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:56,463 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:47:56,465 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:56,466 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:47:56,471 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:47:56,474 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:47:56,477 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:47:56,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:47:56,590 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:47:56,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56 WrapperNode [2022-12-13 18:47:56,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:47:56,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:56,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:47:56,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:47:56,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,640 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 107 [2022-12-13 18:47:56,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:47:56,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:47:56,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:47:56,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:47:56,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:47:56,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:47:56,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:47:56,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:47:56,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (1/1) ... [2022-12-13 18:47:56,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:47:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:47:56,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:47:56,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:47:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:47:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:47:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:47:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:47:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:47:56,826 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:47:56,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:47:56,977 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:47:56,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:47:56,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:47:56,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:56 BoogieIcfgContainer [2022-12-13 18:47:56,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:47:56,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:47:56,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:47:56,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:47:56,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:47:55" (1/3) ... [2022-12-13 18:47:56,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d0db8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:47:56, skipping insertion in model container [2022-12-13 18:47:56,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:47:56" (2/3) ... [2022-12-13 18:47:56,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d0db8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:47:56, skipping insertion in model container [2022-12-13 18:47:56,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:56" (3/3) ... [2022-12-13 18:47:56,989 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2022-12-13 18:47:57,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:47:57,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 18:47:57,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:47:57,059 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;@409970a8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:47:57,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 18:47:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 50 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:47:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:47:57,071 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:57,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2141260515, now seen corresponding path program 1 times [2022-12-13 18:47:57,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930174354] [2022-12-13 18:47:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,328 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 18:47:57,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930174354] [2022-12-13 18:47:57,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930174354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622390512] [2022-12-13 18:47:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,369 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 50 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:47:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,405 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2022-12-13 18:47:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:47:57,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,416 INFO L225 Difference]: With dead ends: 86 [2022-12-13 18:47:57,417 INFO L226 Difference]: Without dead ends: 67 [2022-12-13 18:47:57,420 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 18:47:57,422 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 34 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:57,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 137 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-13 18:47:57,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 45. [2022-12-13 18:47:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 41 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2022-12-13 18:47:57,456 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 14 [2022-12-13 18:47:57,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,456 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2022-12-13 18:47:57,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:47:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-12-13 18:47:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:47:57,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:57,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:47:57,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1954566457, now seen corresponding path program 1 times [2022-12-13 18:47:57,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457351638] [2022-12-13 18:47:57,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,542 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 18:47:57,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457351638] [2022-12-13 18:47:57,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457351638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669135773] [2022-12-13 18:47:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,546 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:47:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,565 INFO L93 Difference]: Finished difference Result 67 states and 87 transitions. [2022-12-13 18:47:57,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 18:47:57,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,567 INFO L225 Difference]: With dead ends: 67 [2022-12-13 18:47:57,567 INFO L226 Difference]: Without dead ends: 66 [2022-12-13 18:47:57,568 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 18:47:57,569 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 24 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 134 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 18:47:57,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 134 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-13 18:47:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 44. [2022-12-13 18:47:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.4) internal successors, (42), 40 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2022-12-13 18:47:57,579 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 15 [2022-12-13 18:47:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,579 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2022-12-13 18:47:57,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:47:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-12-13 18:47:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 18:47:57,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,581 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] [2022-12-13 18:47:57,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:47:57,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 963115349, now seen corresponding path program 1 times [2022-12-13 18:47:57,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024664010] [2022-12-13 18:47:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,659 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 18:47:57,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024664010] [2022-12-13 18:47:57,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024664010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:57,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380978014] [2022-12-13 18:47:57,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,662 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:47:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,677 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-12-13 18:47:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2022-12-13 18:47:57,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,678 INFO L225 Difference]: With dead ends: 52 [2022-12-13 18:47:57,678 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 18:47:57,679 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 18:47:57,680 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 10 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:57,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 109 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 18:47:57,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2022-12-13 18:47:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 39 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-12-13 18:47:57,687 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 20 [2022-12-13 18:47:57,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,687 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-12-13 18:47:57,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:47:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-13 18:47:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 18:47:57,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,689 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] [2022-12-13 18:47:57,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:47:57,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,690 INFO L85 PathProgramCache]: Analyzing trace with hash -208195153, now seen corresponding path program 1 times [2022-12-13 18:47:57,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590748096] [2022-12-13 18:47:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,751 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 18:47:57,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590748096] [2022-12-13 18:47:57,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590748096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:57,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934710707] [2022-12-13 18:47:57,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,753 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 18:47:57,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,765 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-12-13 18:47:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 21 [2022-12-13 18:47:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,766 INFO L225 Difference]: With dead ends: 51 [2022-12-13 18:47:57,766 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 18:47:57,767 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 18:47:57,768 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 9 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 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 18:47:57,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 18:47:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-12-13 18:47:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-12-13 18:47:57,774 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 21 [2022-12-13 18:47:57,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,774 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2022-12-13 18:47:57,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 18:47:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-13 18:47:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 18:47:57,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,775 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] [2022-12-13 18:47:57,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:47:57,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1568397289, now seen corresponding path program 1 times [2022-12-13 18:47:57,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12417884] [2022-12-13 18:47:57,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,839 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 18:47:57,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12417884] [2022-12-13 18:47:57,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12417884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:47:57,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696923851] [2022-12-13 18:47:57,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,842 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:47:57,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,853 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2022-12-13 18:47:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2022-12-13 18:47:57,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,854 INFO L225 Difference]: With dead ends: 57 [2022-12-13 18:47:57,855 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 18:47:57,855 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 18:47:57,856 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 24 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 95 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 18:47:57,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 18:47:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 18:47:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2022-12-13 18:47:57,863 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 22 [2022-12-13 18:47:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,864 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-12-13 18:47:57,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:47:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-12-13 18:47:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 18:47:57,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,865 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 18:47:57,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:47:57,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2090965132, now seen corresponding path program 1 times [2022-12-13 18:47:57,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091422138] [2022-12-13 18:47:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:57,932 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 18:47:57,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:57,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091422138] [2022-12-13 18:47:57,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091422138] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:57,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:57,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:57,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603732233] [2022-12-13 18:47:57,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:57,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:57,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:57,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:57,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:57,934 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 2 states have (on average 10.5) 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 18:47:57,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:57,941 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2022-12-13 18:47:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:57,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) 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 18:47:57,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:57,942 INFO L225 Difference]: With dead ends: 49 [2022-12-13 18:47:57,942 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 18:47:57,943 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 18:47:57,944 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 100 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 18:47:57,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:57,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 18:47:57,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 18:47:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 42 states have internal predecessors, (44), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:47:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2022-12-13 18:47:57,950 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 23 [2022-12-13 18:47:57,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:57,950 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2022-12-13 18:47:57,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) 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 18:47:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-12-13 18:47:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:47:57,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:47:57,952 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] [2022-12-13 18:47:57,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:47:57,952 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 18:47:57,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:47:57,957 INFO L85 PathProgramCache]: Analyzing trace with hash -395409528, now seen corresponding path program 1 times [2022-12-13 18:47:57,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:47:57,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444387193] [2022-12-13 18:47:57,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:47:57,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:47:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:47:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:47:58,004 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 18:47:58,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:47:58,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444387193] [2022-12-13 18:47:58,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444387193] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:47:58,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:47:58,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:47:58,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861806031] [2022-12-13 18:47:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:47:58,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:47:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:47:58,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:47:58,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:47:58,007 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 3 states, 2 states have (on average 11.0) 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 18:47:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:47:58,014 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2022-12-13 18:47:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:47:58,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) 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 18:47:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:47:58,015 INFO L225 Difference]: With dead ends: 48 [2022-12-13 18:47:58,015 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:47:58,016 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 18:47:58,016 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:47:58,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:47:58,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:47:58,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:47:58,018 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 18:47:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:47:58,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-12-13 18:47:58,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:47:58,018 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:47:58,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) 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 18:47:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:47:58,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:47:58,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 18:47:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 18:47:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 18:47:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 18:47:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 18:47:58,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 18:47:58,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:47:58,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:47:58,055 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:47:58,055 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:47:58,055 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:47:58,055 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 1) 0) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G2Sink_~data#1|))) [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1636) no Hoare annotation was computed. [2022-12-13 18:47:58,056 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1559-1(lines 1551 1572) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L902 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: true [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1621-1(lines 1615 1622) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L902 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: true [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1651) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1609(lines 1609 1626) no Hoare annotation was computed. [2022-12-13 18:47:58,057 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1652 1659) the Hoare annotation is: true [2022-12-13 18:47:58,057 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1645) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-12-13 18:47:58,058 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1Sink_~data#1| 1) 0) [2022-12-13 18:47:58,058 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1605) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:47:58,058 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1Sink_~data#1| 1) 0) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1Sink_~data#1|))) [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1607) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L902 garLoopResultBuilder]: At program point L1655(line 1655) the Hoare annotation is: true [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1579 1586) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1590) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2022-12-13 18:47:58,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1627(lines 1627 1637) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1571) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1615(lines 1615 1622) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1606) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L902 garLoopResultBuilder]: At program point L1657(line 1657) the Hoare annotation is: true [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1657-1(line 1657) no Hoare annotation was computed. [2022-12-13 18:47:58,060 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1608) no Hoare annotation was computed. [2022-12-13 18:47:58,061 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2022-12-13 18:47:58,061 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 1) 0)) [2022-12-13 18:47:58,064 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:47:58,066 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:47:58,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:47:58 BoogieIcfgContainer [2022-12-13 18:47:58,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:47:58,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:47:58,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:47:58,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:47:58,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:47:56" (3/4) ... [2022-12-13 18:47:58,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:47:58,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:47:58,084 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:47:58,089 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 18:47:58,089 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 18:47:58,089 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:47:58,090 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:47:58,090 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:47:58,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:47:58,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:47:58,130 INFO L158 Benchmark]: Toolchain (without parser) took 2446.98ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 100.4MB in the beginning and 121.2MB in the end (delta: -20.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,130 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:47:58,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.05ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 92.9MB in the end (delta: 7.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,131 INFO L158 Benchmark]: Boogie Preprocessor took 22.29ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,132 INFO L158 Benchmark]: RCFGBuilder took 320.24ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 72.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,132 INFO L158 Benchmark]: TraceAbstraction took 1088.66ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 71.4MB in the beginning and 125.4MB in the end (delta: -54.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:47:58,132 INFO L158 Benchmark]: Witness Printer took 55.75ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:47:58,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.05ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 92.9MB in the end (delta: 7.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.29ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.24ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 72.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1088.66ms. Allocated memory was 142.6MB in the beginning and 174.1MB in the end (delta: 31.5MB). Free memory was 71.4MB in the beginning and 125.4MB in the end (delta: -54.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.75ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 781 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 343 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 438 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 60 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 26 NumberOfFragments, 48 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:47:58,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c5561a-eb59-4cff-a8a5-090c51f3350d/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