./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.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_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/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_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/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_5b59d268-0aa0-46bb-848b-7c78749f770d/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 2c6104a200270b5a7aca0851afb8a144c1562556892fc36e353eb0e61527c2a2 --- 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 13:44:03,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:44:03,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:44:03,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:44:03,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:44:03,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:44:03,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:44:03,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:44:03,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:44:03,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:44:03,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:44:03,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:44:03,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:44:03,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:44:03,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:44:03,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:44:03,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:44:03,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:44:03,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:44:03,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:44:03,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:44:03,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:44:03,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:44:03,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:44:03,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:44:03,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:44:03,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:44:03,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:44:03,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:44:03,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:44:03,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:44:03,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:44:03,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:44:03,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:44:03,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:44:03,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:44:03,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:44:03,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:44:03,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:44:03,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:44:03,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:44:03,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:44:03,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:44:03,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:44:03,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:44:03,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:44:03,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:44:03,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:44:03,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:44:03,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:44:03,611 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:44:03,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:44:03,612 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:44:03,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:44:03,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:03,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:44:03,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:44:03,615 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:44:03,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:44:03,615 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:44:03,615 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_5b59d268-0aa0-46bb-848b-7c78749f770d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6104a200270b5a7aca0851afb8a144c1562556892fc36e353eb0e61527c2a2 [2022-12-13 13:44:03,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:44:03,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:44:03,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:44:03,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:44:03,825 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:44:03,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:06,421 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:44:06,695 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:44:06,695 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:06,713 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/4575a6f50/88735e71c08547bead0af11ab941ae25/FLAGbc7020720 [2022-12-13 13:44:06,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/4575a6f50/88735e71c08547bead0af11ab941ae25 [2022-12-13 13:44:06,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:44:06,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:44:06,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:06,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:44:06,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:44:06,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:06" (1/1) ... [2022-12-13 13:44:06,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6d177a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:06, skipping insertion in model container [2022-12-13 13:44:06,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:06" (1/1) ... [2022-12-13 13:44:06,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:44:07,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:44:07,286 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:44:07,594 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:44:07,599 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:07,601 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:07,603 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:07,604 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:07,625 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:44:07,631 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:44:07,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:07,642 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:44:07,661 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:44:07,705 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:44:07,706 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:07,707 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:07,709 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:07,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:07,715 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:44:07,717 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:44:07,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:07,838 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:44:07,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07 WrapperNode [2022-12-13 13:44:07,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:07,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:07,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:44:07,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:44:07,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,875 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-12-13 13:44:07,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:07,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:44:07,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:44:07,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:44:07,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:44:07,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:44:07,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:44:07,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:44:07,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (1/1) ... [2022-12-13 13:44:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:07,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:44:07,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:44:07,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 13:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:44:07,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:44:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:44:08,066 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:44:08,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:44:08,166 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:44:08,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:44:08,171 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:44:08,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:08 BoogieIcfgContainer [2022-12-13 13:44:08,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:44:08,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:44:08,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:44:08,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:44:08,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:44:06" (1/3) ... [2022-12-13 13:44:08,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d713786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:08, skipping insertion in model container [2022-12-13 13:44:08,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:07" (2/3) ... [2022-12-13 13:44:08,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d713786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:08, skipping insertion in model container [2022-12-13 13:44:08,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:08" (3/3) ... [2022-12-13 13:44:08,178 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:08,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:44:08,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:44:08,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:44:08,231 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;@7c2d6188, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:44:08,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:44:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 13:44:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:44:08,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:08,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:08,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:08,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2022-12-13 13:44:08,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:08,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126012533] [2022-12-13 13:44:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:44:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:08,429 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 13:44:08,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:08,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126012533] [2022-12-13 13:44:08,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126012533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:08,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:08,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:44:08,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714173671] [2022-12-13 13:44:08,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:08,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:08,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:08,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:08,457 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:08,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:08,483 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-12-13 13:44:08,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:08,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:44:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:08,491 INFO L225 Difference]: With dead ends: 42 [2022-12-13 13:44:08,491 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 13:44:08,494 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 13:44:08,497 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27 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 13:44:08,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 13:44:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 13:44:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:44:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-12-13 13:44:08,528 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-12-13 13:44:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:08,529 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-12-13 13:44:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-13 13:44:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 13:44:08,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:08,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:08,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:44:08,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:08,532 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2022-12-13 13:44:08,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:08,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169537090] [2022-12-13 13:44:08,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:44:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:08,612 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 13:44:08,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:08,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169537090] [2022-12-13 13:44:08,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169537090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:08,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:08,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:44:08,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709794081] [2022-12-13 13:44:08,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:08,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:08,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:08,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:08,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:08,614 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. 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 13:44:08,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:08,621 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-12-13 13:44:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:08,622 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 13:44:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:08,622 INFO L225 Difference]: With dead ends: 18 [2022-12-13 13:44:08,623 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 13:44:08,623 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 13:44:08,624 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:08,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 13:44:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 13:44:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:44:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 13:44:08,627 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2022-12-13 13:44:08,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:08,627 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 13:44:08,627 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 13:44:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 13:44:08,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 13:44:08,628 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:08,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:08,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:44:08,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:08,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:08,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2022-12-13 13:44:08,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:08,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74393011] [2022-12-13 13:44:08,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:08,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:08,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:44:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:08,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:44:08,685 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:44:08,686 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:44:08,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:44:08,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:44:08,692 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 13:44:08,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:44:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:44:08 BoogieIcfgContainer [2022-12-13 13:44:08,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:44:08,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:44:08,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:44:08,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:44:08,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:08" (3/4) ... [2022-12-13 13:44:08,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:44:08,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:44:08,725 INFO L158 Benchmark]: Toolchain (without parser) took 1756.21ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 83.1MB in the end (delta: 36.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-12-13 13:44:08,726 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:08,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.00ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 56.4MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-13 13:44:08,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.90ms. Allocated memory is still 165.7MB. Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:08,727 INFO L158 Benchmark]: Boogie Preprocessor took 17.33ms. Allocated memory is still 165.7MB. Free memory was 53.5MB in the beginning and 52.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:08,727 INFO L158 Benchmark]: RCFGBuilder took 278.53ms. Allocated memory is still 165.7MB. Free memory was 52.0MB in the beginning and 125.1MB in the end (delta: -73.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-12-13 13:44:08,728 INFO L158 Benchmark]: TraceAbstraction took 546.34ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 83.1MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-13 13:44:08,728 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 165.7MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:08,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.00ms. Allocated memory is still 165.7MB. Free memory was 119.9MB in the beginning and 56.4MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.90ms. Allocated memory is still 165.7MB. Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.33ms. Allocated memory is still 165.7MB. Free memory was 53.5MB in the beginning and 52.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.53ms. Allocated memory is still 165.7MB. Free memory was 52.0MB in the beginning and 125.1MB in the end (delta: -73.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 546.34ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 83.1MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 165.7MB. Free memory is still 83.1MB. There was no memory consumed. 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741827:1073741831}, argv={1073741827:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:44:08,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/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_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/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 2c6104a200270b5a7aca0851afb8a144c1562556892fc36e353eb0e61527c2a2 --- 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 13:44:10,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:44:10,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:44:10,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:44:10,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:44:10,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:44:10,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:44:10,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:44:10,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:44:10,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:44:10,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:44:10,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:44:10,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:44:10,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:44:10,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:44:10,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:44:10,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:44:10,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:44:10,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:44:10,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:44:10,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:44:10,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:44:10,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:44:10,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:44:10,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:44:10,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:44:10,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:44:10,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:44:10,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:44:10,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:44:10,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:44:10,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:44:10,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:44:10,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:44:10,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:44:10,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:44:10,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:44:10,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:44:10,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:44:10,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:44:10,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:44:10,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:44:10,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:44:10,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:44:10,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:44:10,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:44:10,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:44:10,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:44:10,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:44:10,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:44:10,599 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:44:10,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:44:10,599 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:44:10,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:44:10,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:44:10,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:44:10,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:44:10,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:44:10,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:44:10,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:44:10,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:10,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:44:10,602 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:44:10,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:44:10,603 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:44:10,603 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:44:10,603 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_5b59d268-0aa0-46bb-848b-7c78749f770d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6104a200270b5a7aca0851afb8a144c1562556892fc36e353eb0e61527c2a2 [2022-12-13 13:44:10,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:44:10,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:44:10,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:44:10,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:44:10,886 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:44:10,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:13,451 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:44:13,724 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:44:13,725 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:13,736 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/d146f7469/e4da1dd439484f8988531655f3c4f89a/FLAGbde8b147a [2022-12-13 13:44:13,750 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/data/d146f7469/e4da1dd439484f8988531655f3c4f89a [2022-12-13 13:44:13,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:44:13,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:44:13,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:13,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:44:13,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:44:13,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:13" (1/1) ... [2022-12-13 13:44:13,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25940c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:13, skipping insertion in model container [2022-12-13 13:44:13,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:13" (1/1) ... [2022-12-13 13:44:13,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:44:13,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:44:14,118 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:44:14,424 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:44:14,428 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:14,429 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:14,431 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:14,432 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:14,447 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:44:14,451 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:44:14,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:14,474 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:44:14,498 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:44:14,532 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:44:14,534 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:14,534 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:44:14,536 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:14,536 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:44:14,539 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:44:14,540 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:44:14,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:14,659 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:44:14,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14 WrapperNode [2022-12-13 13:44:14,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:14,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:14,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:44:14,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:44:14,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,709 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-12-13 13:44:14,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:14,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:44:14,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:44:14,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:44:14,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:44:14,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:44:14,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:44:14,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:44:14,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (1/1) ... [2022-12-13 13:44:14,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:14,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:44:14,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:44:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:44:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 13:44:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:44:14,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:44:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:44:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:44:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:44:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:44:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:44:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:44:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:44:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 13:44:14,906 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:44:14,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:44:15,027 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:44:15,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:44:15,032 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:44:15,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:15 BoogieIcfgContainer [2022-12-13 13:44:15,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:44:15,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:44:15,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:44:15,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:44:15,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:44:13" (1/3) ... [2022-12-13 13:44:15,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79accf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:15, skipping insertion in model container [2022-12-13 13:44:15,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:14" (2/3) ... [2022-12-13 13:44:15,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79accf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:15, skipping insertion in model container [2022-12-13 13:44:15,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:15" (3/3) ... [2022-12-13 13:44:15,043 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_13_bad.i [2022-12-13 13:44:15,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:44:15,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:44:15,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:44:15,103 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;@13536cff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:44:15,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:44:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 13:44:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:44:15,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:15,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:15,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:15,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2022-12-13 13:44:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:15,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854825503] [2022-12-13 13:44:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:15,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:15,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:44:15,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 13:44:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:15,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:44:15,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:44:15,308 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 13:44:15,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:44:15,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:44:15,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854825503] [2022-12-13 13:44:15,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854825503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:15,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:15,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:44:15,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13644267] [2022-12-13 13:44:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:15,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:15,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:44:15,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:15,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:15,346 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:15,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:15,372 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-12-13 13:44:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:15,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:44:15,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:15,380 INFO L225 Difference]: With dead ends: 42 [2022-12-13 13:44:15,381 INFO L226 Difference]: Without dead ends: 18 [2022-12-13 13:44:15,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 13:44:15,386 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 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 13:44:15,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:15,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-12-13 13:44:15,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-12-13 13:44:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:44:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-12-13 13:44:15,411 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-12-13 13:44:15,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:15,412 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-12-13 13:44:15,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-13 13:44:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 13:44:15,413 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:15,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:15,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:44:15,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:15,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:15,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:15,619 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2022-12-13 13:44:15,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:15,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922383629] [2022-12-13 13:44:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:15,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:15,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:15,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:44:15,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 13:44:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:15,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:44:15,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:44:15,761 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 13:44:15,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:44:15,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:44:15,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922383629] [2022-12-13 13:44:15,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922383629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:15,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:15,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:44:15,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624304084] [2022-12-13 13:44:15,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:15,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:15,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:44:15,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:15,765 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. 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 13:44:15,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:15,776 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-12-13 13:44:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:15,777 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 13:44:15,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:15,778 INFO L225 Difference]: With dead ends: 18 [2022-12-13 13:44:15,778 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 13:44:15,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 13:44:15,779 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:15,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 13:44:15,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 13:44:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:44:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 13:44:15,784 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2022-12-13 13:44:15,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:15,784 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 13:44:15,784 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 13:44:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 13:44:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 13:44:15,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:15,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:15,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 13:44:15,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:15,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:44:15,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2022-12-13 13:44:15,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:15,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881290030] [2022-12-13 13:44:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:15,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:15,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:15,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:44:16,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 13:44:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:16,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:44:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:16,162 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:44:16,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:44:16,163 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:44:16,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:44:16,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 13:44:16,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:44:16,375 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 13:44:16,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:44:16,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:44:16 BoogieIcfgContainer [2022-12-13 13:44:16,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:44:16,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:44:16,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:44:16,432 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:44:16,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:15" (3/4) ... [2022-12-13 13:44:16,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:44:16,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:44:16,435 INFO L158 Benchmark]: Toolchain (without parser) took 2680.79ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 49.3MB in the end (delta: 20.7MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,436 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:16,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.10ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 53.9MB in the end (delta: 15.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.68ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 51.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,437 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,437 INFO L158 Benchmark]: RCFGBuilder took 297.75ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 62.4MB in the end (delta: -13.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,438 INFO L158 Benchmark]: TraceAbstraction took 1394.80ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 49.3MB in the end (delta: 12.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:16,438 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 94.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:16,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.10ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 53.9MB in the end (delta: 15.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.68ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 51.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.75ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 62.4MB in the end (delta: -13.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1394.80ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 49.3MB in the end (delta: 12.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 94.4MB. Free memory is still 49.3MB. There was no memory consumed. 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:44:16,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b59d268-0aa0-46bb-848b-7c78749f770d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample