./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/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_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/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_b111977a-097e-4fba-a2d2-5a4cd2abc609/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 b8aa41edb4db6a5212ff1dac96bdf68329703d0d3d8e4e1771162d29074cf1aa --- 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 17:21:14,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:21:14,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:21:14,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:21:14,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:21:14,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:21:14,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:21:14,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:21:14,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:21:14,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:21:14,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:21:14,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:21:14,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:21:14,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:21:14,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:21:14,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:21:14,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:21:14,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:21:14,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:21:14,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:21:14,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:21:14,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:21:14,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:21:14,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:21:14,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:21:14,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:21:14,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:21:14,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:21:14,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:21:14,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:21:14,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:21:14,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:21:14,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:21:14,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:21:14,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:21:14,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:21:14,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:21:14,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:21:14,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:21:14,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:21:14,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:21:14,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 17:21:14,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:21:14,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:21:14,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:21:14,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:21:14,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:21:14,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:21:14,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:21:14,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:21:14,880 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:21:14,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:21:14,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:21:14,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:21:14,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:21:14,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:21:14,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:21:14,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:21:14,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:21:14,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:21:14,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:21:14,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:21:14,884 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:21:14,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:21:14,884 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:21:14,884 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_b111977a-097e-4fba-a2d2-5a4cd2abc609/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8aa41edb4db6a5212ff1dac96bdf68329703d0d3d8e4e1771162d29074cf1aa [2022-12-13 17:21:15,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:21:15,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:21:15,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:21:15,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:21:15,065 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:21:15,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_good.i [2022-12-13 17:21:17,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:21:17,913 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:21:17,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_68_good.i [2022-12-13 17:21:17,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/data/951ee114b/43b2ec3285074839bc8fb32c35a2633b/FLAGb591717e3 [2022-12-13 17:21:17,936 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/data/951ee114b/43b2ec3285074839bc8fb32c35a2633b [2022-12-13 17:21:17,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:21:17,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:21:17,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:21:17,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:21:17,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:21:17,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:21:17" (1/1) ... [2022-12-13 17:21:17,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3679b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:17, skipping insertion in model container [2022-12-13 17:21:17,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:21:17" (1/1) ... [2022-12-13 17:21:17,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:21:17,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:21:18,260 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:21:18,554 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:21:18,558 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:21:18,560 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:21:18,561 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:21:18,562 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:21:18,581 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 17:21:18,585 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:21:18,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:21:18,597 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:21:18,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:21:18,640 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:21:18,641 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:21:18,642 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:21:18,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:21:18,644 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:21:18,647 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 17:21:18,648 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:21:18,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:21:18,741 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:21:18,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18 WrapperNode [2022-12-13 17:21:18,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:21:18,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:21:18,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:21:18,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:21:18,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,791 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2022-12-13 17:21:18,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:21:18,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:21:18,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:21:18,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:21:18,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:21:18,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:21:18,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:21:18,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:21:18,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (1/1) ... [2022-12-13 17:21:18,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:21:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:21:18,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:21:18,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:21:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 17:21:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:21:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:21:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:21:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:21:18,998 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:21:19,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:21:19,126 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:21:19,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:21:19,133 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:21:19,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:21:19 BoogieIcfgContainer [2022-12-13 17:21:19,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:21:19,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:21:19,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:21:19,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:21:19,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:21:17" (1/3) ... [2022-12-13 17:21:19,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426baeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:21:19, skipping insertion in model container [2022-12-13 17:21:19,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:21:18" (2/3) ... [2022-12-13 17:21:19,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426baeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:21:19, skipping insertion in model container [2022-12-13 17:21:19,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:21:19" (3/3) ... [2022-12-13 17:21:19,145 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_68_good.i [2022-12-13 17:21:19,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:21:19,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 17:21:19,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:21:19,204 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;@7b082229, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:21:19,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 17:21:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 17:21:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 17:21:19,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:21:19,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:21:19,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 17:21:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:21:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash -968710489, now seen corresponding path program 1 times [2022-12-13 17:21:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:21:19,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645582428] [2022-12-13 17:21:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:21:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:21:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:21:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,411 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 17:21:19,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:21:19,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645582428] [2022-12-13 17:21:19,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645582428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:21:19,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:21:19,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:21:19,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696089311] [2022-12-13 17:21:19,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:21:19,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:21:19,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:21:19,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:21:19,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:21:19,441 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:21:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:21:19,462 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-13 17:21:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:21:19,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-13 17:21:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:21:19,469 INFO L225 Difference]: With dead ends: 36 [2022-12-13 17:21:19,469 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 17:21:19,471 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 17:21:19,474 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 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 17:21:19,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:21:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 17:21:19,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 17:21:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 17:21:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-12-13 17:21:19,499 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 9 [2022-12-13 17:21:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:21:19,500 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-12-13 17:21:19,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:21:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-12-13 17:21:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 17:21:19,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:21:19,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:21:19,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:21:19,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 17:21:19,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:21:19,503 INFO L85 PathProgramCache]: Analyzing trace with hash 34745961, now seen corresponding path program 1 times [2022-12-13 17:21:19,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:21:19,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512207471] [2022-12-13 17:21:19,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:21:19,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:21:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:21:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,571 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 17:21:19,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:21:19,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512207471] [2022-12-13 17:21:19,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512207471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:21:19,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:21:19,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:21:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524729862] [2022-12-13 17:21:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:21:19,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:21:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:21:19,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:21:19,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:21:19,574 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:21:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:21:19,580 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-12-13 17:21:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:21:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-13 17:21:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:21:19,581 INFO L225 Difference]: With dead ends: 25 [2022-12-13 17:21:19,581 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 17:21:19,582 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 17:21:19,583 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:21:19,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:21:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 17:21:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 17:21:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 17:21:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-12-13 17:21:19,586 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 10 [2022-12-13 17:21:19,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:21:19,586 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-12-13 17:21:19,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:21:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-13 17:21:19,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 17:21:19,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:21:19,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:21:19,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:21:19,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 17:21:19,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:21:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2011879922, now seen corresponding path program 1 times [2022-12-13 17:21:19,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:21:19,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689553761] [2022-12-13 17:21:19,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:21:19,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:21:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:21:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:21:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,731 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 17:21:19,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:21:19,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689553761] [2022-12-13 17:21:19,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689553761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:21:19,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:21:19,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:21:19,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134057838] [2022-12-13 17:21:19,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:21:19,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:21:19,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:21:19,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:21:19,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:21:19,734 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:21:19,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:21:19,741 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-12-13 17:21:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:21:19,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-12-13 17:21:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:21:19,742 INFO L225 Difference]: With dead ends: 24 [2022-12-13 17:21:19,742 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 17:21:19,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 17:21:19,744 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:21:19,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:21:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 17:21:19,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 17:21:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 17:21:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-12-13 17:21:19,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 20 [2022-12-13 17:21:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:21:19,748 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-12-13 17:21:19,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:21:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-13 17:21:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 17:21:19,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:21:19,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:21:19,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:21:19,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 17:21:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:21:19,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2056231790, now seen corresponding path program 1 times [2022-12-13 17:21:19,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:21:19,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701456393] [2022-12-13 17:21:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:21:19,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:21:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:21:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 17:21:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:21:19,845 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 17:21:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:21:19,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701456393] [2022-12-13 17:21:19,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701456393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:21:19,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:21:19,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:21:19,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475400935] [2022-12-13 17:21:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:21:19,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:21:19,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:21:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:21:19,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:21:19,847 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:21:19,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:21:19,870 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-12-13 17:21:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:21:19,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-12-13 17:21:19,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:21:19,871 INFO L225 Difference]: With dead ends: 23 [2022-12-13 17:21:19,871 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:21:19,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:21:19,872 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 6 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:21:19,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:21:19,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:21:19,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:21:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:21:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:21:19,873 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-12-13 17:21:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:21:19,874 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:21:19,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 17:21:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:21:19,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:21:19,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 17:21:19,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 17:21:19,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 17:21:19,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 17:21:19,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:21:19,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 17:21:19,890 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 17:21:19,890 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 17:21:19,890 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 17:21:19,890 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 17:21:19,890 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1574) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1578) no Hoare annotation was computed. [2022-12-13 17:21:19,891 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1560) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L902 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: true [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point L1615-1(lines 1604 1617) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L902 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: true [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1584 1591) the Hoare annotation is: true [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1616) no Hoare annotation was computed. [2022-12-13 17:21:19,892 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-12-13 17:21:19,892 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1595 1603) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:21:19,893 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-12-13 17:21:19,893 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-12-13 17:21:19,894 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2022-12-13 17:21:19,894 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-12-13 17:21:19,894 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1583) no Hoare annotation was computed. [2022-12-13 17:21:19,894 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483647) [2022-12-13 17:21:19,894 INFO L899 garLoopResultBuilder]: For program point L1573-1(lines 1567 1574) no Hoare annotation was computed. [2022-12-13 17:21:19,897 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 17:21:19,899 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:21:19,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:21:19 BoogieIcfgContainer [2022-12-13 17:21:19,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:21:19,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:21:19,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:21:19,906 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:21:19,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:21:19" (3/4) ... [2022-12-13 17:21:19,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:21:19,913 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 17:21:19,913 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 17:21:19,915 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 17:21:19,916 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 17:21:19,916 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 17:21:19,916 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:21:19,941 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:21:19,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:21:19,941 INFO L158 Benchmark]: Toolchain (without parser) took 2002.00ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 98.7MB in the beginning and 102.2MB in the end (delta: -3.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,941 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:21:19,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.82ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 98.2MB in the beginning and 122.3MB in the end (delta: -24.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 169.9MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,942 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,942 INFO L158 Benchmark]: RCFGBuilder took 317.75ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 103.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,942 INFO L158 Benchmark]: TraceAbstraction took 766.80ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 105.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:21:19,943 INFO L158 Benchmark]: Witness Printer took 35.40ms. Allocated memory is still 169.9MB. Free memory was 105.4MB in the beginning and 102.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:21:19,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.82ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 98.2MB in the beginning and 122.3MB in the end (delta: -24.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 169.9MB. Free memory was 122.3MB in the beginning and 119.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.75ms. Allocated memory is still 169.9MB. Free memory was 117.1MB in the beginning and 103.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 766.80ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 105.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.40ms. Allocated memory is still 169.9MB. Free memory was 105.4MB in the beginning and 102.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 106 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 11 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1584]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 17:21:19,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b111977a-097e-4fba-a2d2-5a4cd2abc609/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE