./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R --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 257dc5ce1d45fdd537d5d2ece8eb4bf6cf534048465bb0071983a69155154f69 --- 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-38b53e6 [2022-11-25 16:52:28,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:52:28,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:52:28,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:52:28,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:52:28,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:52:28,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:52:28,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:52:28,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:52:28,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:52:28,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:52:28,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:52:28,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:52:28,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:52:28,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:52:28,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:52:28,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:52:28,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:52:28,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:52:28,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:52:28,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:52:28,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:52:28,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:52:28,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:52:28,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:52:28,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:52:28,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:52:28,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:52:28,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:52:28,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:52:28,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:52:28,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:52:28,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:52:28,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:52:28,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:52:28,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:52:28,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:52:28,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:52:28,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:52:28,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:52:28,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:52:28,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:52:28,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:52:28,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:52:28,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:52:28,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:52:28,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:52:28,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:52:28,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:52:28,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:52:28,812 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:52:28,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:52:28,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:52:28,814 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:52:28,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:52:28,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:52:28,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:52:28,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:52:28,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:52:28,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:52:28,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:52:28,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:52:28,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:52:28,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:52:28,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:52:28,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:52:28,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:52:28,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:52:28,818 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:52:28,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:52:28,818 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_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257dc5ce1d45fdd537d5d2ece8eb4bf6cf534048465bb0071983a69155154f69 [2022-11-25 16:52:29,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:52:29,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:52:29,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:52:29,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:52:29,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:52:29,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_good.i [2022-11-25 16:52:32,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:52:32,726 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:52:32,727 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_good.i [2022-11-25 16:52:32,765 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/data/7f22707ff/0f6dabf0b7564247b00c277e0a8f244e/FLAGed69cb5c0 [2022-11-25 16:52:32,785 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/data/7f22707ff/0f6dabf0b7564247b00c277e0a8f244e [2022-11-25 16:52:32,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:52:32,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:52:32,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:52:32,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:52:32,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:52:32,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:32" (1/1) ... [2022-11-25 16:52:32,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53193742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:32, skipping insertion in model container [2022-11-25 16:52:32,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:32" (1/1) ... [2022-11-25 16:52:32,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:52:32,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:52:33,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:52:33,793 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:52:33,799 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:52:33,806 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:52:33,810 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:52:33,818 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:52:33,862 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:52:33,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:52:33,891 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:52:33,939 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:52:34,028 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:52:34,030 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:52:34,031 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:52:34,033 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:52:34,034 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:52:34,042 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:52:34,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:52:34,180 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:52:34,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34 WrapperNode [2022-11-25 16:52:34,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:52:34,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:52:34,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:52:34,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:52:34,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,262 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-11-25 16:52:34,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:52:34,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:52:34,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:52:34,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:52:34,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:52:34,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:52:34,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:52:34,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:52:34,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (1/1) ... [2022-11-25 16:52:34,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:52:34,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:52:34,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:52:34,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:52:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 16:52:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 16:52:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:52:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:52:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:52:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:52:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:52:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:52:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:52:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:52:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:52:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:52:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:52:34,576 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:52:34,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:52:34,774 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:52:34,780 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:52:34,780 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:52:34,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:34 BoogieIcfgContainer [2022-11-25 16:52:34,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:52:34,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:52:34,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:52:34,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:52:34,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:52:32" (1/3) ... [2022-11-25 16:52:34,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7aa810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:52:34, skipping insertion in model container [2022-11-25 16:52:34,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:34" (2/3) ... [2022-11-25 16:52:34,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7aa810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:52:34, skipping insertion in model container [2022-11-25 16:52:34,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:34" (3/3) ... [2022-11-25 16:52:34,796 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_51_good.i [2022-11-25 16:52:34,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:52:34,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 16:52:34,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:52:34,901 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;@32123649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:52:34,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 16:52:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:52:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 16:52:34,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:52:34,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:52:34,916 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)] === [2022-11-25 16:52:34,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:34,924 INFO L85 PathProgramCache]: Analyzing trace with hash 521186967, now seen corresponding path program 1 times [2022-11-25 16:52:34,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:34,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736787306] [2022-11-25 16:52:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:52:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:52:35,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:52:35,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736787306] [2022-11-25 16:52:35,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736787306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:52:35,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:52:35,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:52:35,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332328046] [2022-11-25 16:52:35,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:52:35,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:52:35,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:52:35,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:52:35,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:35,349 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) 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) [2022-11-25 16:52:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:52:35,378 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-25 16:52:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:52:35,381 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 [2022-11-25 16:52:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:52:35,389 INFO L225 Difference]: With dead ends: 33 [2022-11-25 16:52:35,389 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 16:52:35,392 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 [2022-11-25 16:52:35,396 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 65 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 [2022-11-25 16:52:35,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 65 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:52:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 16:52:35,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 16:52:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:52:35,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-25 16:52:35,434 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 9 [2022-11-25 16:52:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:52:35,434 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-11-25 16:52:35,434 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) [2022-11-25 16:52:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-25 16:52:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 16:52:35,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:52:35,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:52:35,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:52:35,436 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)] === [2022-11-25 16:52:35,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:35,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1023073159, now seen corresponding path program 1 times [2022-11-25 16:52:35,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:35,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395453714] [2022-11-25 16:52:35,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:35,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:52:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:52:35,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:52:35,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395453714] [2022-11-25 16:52:35,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395453714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:52:35,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:52:35,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:52:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477125959] [2022-11-25 16:52:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:52:35,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:52:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:52:35,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:52:35,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:35,548 INFO L87 Difference]: Start difference. First operand 22 states and 22 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) [2022-11-25 16:52:35,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:52:35,563 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-25 16:52:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:52:35,565 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 [2022-11-25 16:52:35,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:52:35,566 INFO L225 Difference]: With dead ends: 22 [2022-11-25 16:52:35,567 INFO L226 Difference]: Without dead ends: 21 [2022-11-25 16:52:35,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:35,569 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 30 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 [2022-11-25 16:52:35,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:52:35,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-25 16:52:35,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-25 16:52:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:52:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-25 16:52:35,581 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10 [2022-11-25 16:52:35,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:52:35,582 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-25 16:52:35,583 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) [2022-11-25 16:52:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-25 16:52:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 16:52:35,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:52:35,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:52:35,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:52:35,585 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)] === [2022-11-25 16:52:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:35,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1774211325, now seen corresponding path program 1 times [2022-11-25 16:52:35,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:35,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538217018] [2022-11-25 16:52:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:35,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:52:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:52:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:52:35,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:52:35,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538217018] [2022-11-25 16:52:35,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538217018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:52:35,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:52:35,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:52:35,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610082201] [2022-11-25 16:52:35,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:52:35,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:52:35,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:52:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:52:35,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:35,735 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 16:52:35,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:52:35,760 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-11-25 16:52:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:52:35,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2022-11-25 16:52:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:52:35,761 INFO L225 Difference]: With dead ends: 21 [2022-11-25 16:52:35,761 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 16:52:35,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:35,763 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 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 [2022-11-25 16:52:35,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:52:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 16:52:35,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-25 16:52:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:52:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-25 16:52:35,767 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2022-11-25 16:52:35,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:52:35,770 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-11-25 16:52:35,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 16:52:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-25 16:52:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 16:52:35,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:52:35,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:52:35,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:52:35,771 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)] === [2022-11-25 16:52:35,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:52:35,772 INFO L85 PathProgramCache]: Analyzing trace with hash -834023713, now seen corresponding path program 1 times [2022-11-25 16:52:35,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:52:35,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899102199] [2022-11-25 16:52:35,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:52:35,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:52:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:52:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 16:52:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:52:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:52:36,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:52:36,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899102199] [2022-11-25 16:52:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899102199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:52:36,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:52:36,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:52:36,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357848319] [2022-11-25 16:52:36,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:52:36,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:52:36,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:52:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:52:36,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:36,090 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (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) [2022-11-25 16:52:36,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:52:36,102 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-25 16:52:36,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:52:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (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 19 [2022-11-25 16:52:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:52:36,104 INFO L225 Difference]: With dead ends: 20 [2022-11-25 16:52:36,104 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:52:36,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:52:36,106 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:52:36,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:52:36,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:52:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:52:36,114 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) [2022-11-25 16:52:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:52:36,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-25 16:52:36,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:52:36,115 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:52:36,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (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) [2022-11-25 16:52:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:52:36,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:52:36,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 16:52:36,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 16:52:36,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 16:52:36,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 16:52:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:52:36,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:52:36,144 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 16:52:36,145 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:52:36,146 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 16:52:36,146 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:52:36,146 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:52:36,146 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 16:52:36,147 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:52:36,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 16:52:36,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:52:36,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-11-25 16:52:36,151 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2022-11-25 16:52:36,151 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (<= (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_predec_51b_goodG2BSink_~data#1|) 0) [2022-11-25 16:52:36,157 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1577 1584) no Hoare annotation was computed. [2022-11-25 16:52:36,157 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-11-25 16:52:36,158 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-25 16:52:36,158 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2022-11-25 16:52:36,158 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-25 16:52:36,158 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-25 16:52:36,158 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-11-25 16:52:36,159 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-25 16:52:36,159 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:52:36,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 16:52:36,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2022-11-25 16:52:36,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:52:36,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:52:36,160 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2022-11-25 16:52:36,160 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-25 16:52:36,160 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1585 1597) no Hoare annotation was computed. [2022-11-25 16:52:36,161 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2022-11-25 16:52:36,162 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-25 16:52:36,162 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-25 16:52:36,162 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1596) no Hoare annotation was computed. [2022-11-25 16:52:36,162 INFO L902 garLoopResultBuilder]: At program point L1575(lines 1569 1576) the Hoare annotation is: true [2022-11-25 16:52:36,169 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 16:52:36,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:52:36,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:52:36 BoogieIcfgContainer [2022-11-25 16:52:36,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:52:36,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:52:36,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:52:36,183 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:52:36,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:34" (3/4) ... [2022-11-25 16:52:36,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:52:36,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 16:52:36,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 16:52:36,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-25 16:52:36,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 16:52:36,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:52:36,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:52:36,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:52:36,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:52:36,259 INFO L158 Benchmark]: Toolchain (without parser) took 3464.74ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 63.0MB in the end (delta: 46.4MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,259 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:52:36,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.60ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 87.6MB in the end (delta: 21.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.09ms. Allocated memory is still 155.2MB. Free memory was 87.6MB in the beginning and 85.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,260 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,260 INFO L158 Benchmark]: RCFGBuilder took 496.24ms. Allocated memory is still 155.2MB. Free memory was 83.4MB in the beginning and 70.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,261 INFO L158 Benchmark]: TraceAbstraction took 1392.90ms. Allocated memory is still 155.2MB. Free memory was 69.5MB in the beginning and 66.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,261 INFO L158 Benchmark]: Witness Printer took 75.24ms. Allocated memory is still 155.2MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:52:36,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.60ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 87.6MB in the end (delta: 21.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.09ms. Allocated memory is still 155.2MB. Free memory was 87.6MB in the beginning and 85.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 155.2MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.24ms. Allocated memory is still 155.2MB. Free memory was 83.4MB in the beginning and 70.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.90ms. Allocated memory is still 155.2MB. Free memory was 69.5MB in the beginning and 66.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Witness Printer took 75.24ms. Allocated memory is still 155.2MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 87 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 12 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 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: 1569]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:52:36,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a058683-c301-4942-85ba-79f852aa62b4/bin/uautomizer-ZsLfNo2U6R/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