./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 --- 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 17:02:38,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:02:38,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:02:38,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:02:38,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:02:38,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:02:38,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:02:38,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:02:38,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:02:38,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:02:38,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:02:38,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:02:38,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:02:38,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:02:38,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:02:38,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:02:38,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:02:38,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:02:38,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:02:38,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:02:38,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:02:38,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:02:38,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:02:38,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:02:38,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:02:38,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:02:38,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:02:38,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:02:38,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:02:38,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:02:38,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:02:38,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:02:38,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:02:38,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:02:38,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:02:38,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:02:38,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:02:38,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:02:38,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:02:38,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:02:38,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:02:38,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:02:38,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:02:38,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:02:38,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:02:38,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:02:38,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:02:38,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:02:38,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:02:38,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:02:38,589 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:02:38,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:02:38,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:02:38,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:02:38,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:02:38,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:02:38,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:02:38,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:02:38,592 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:02:38,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:02:38,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:02:38,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:02:38,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:02:38,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:02:38,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:02:38,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:02:38,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:02:38,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:02:38,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:02:38,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:02:38,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:02:38,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:02:38,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:02:38,596 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:02:38,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:02:38,597 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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 [2022-11-25 17:02:38,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:02:38,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:02:38,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:02:38,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:02:38,903 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:02:38,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:41,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:02:42,326 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:02:42,326 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:42,350 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/13415a888/83cc261400954fa29f95d57ec032e64e/FLAG66ecf76d9 [2022-11-25 17:02:42,363 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/13415a888/83cc261400954fa29f95d57ec032e64e [2022-11-25 17:02:42,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:02:42,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:02:42,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:02:42,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:02:42,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:02:42,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:42" (1/1) ... [2022-11-25 17:02:42,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321370a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:42, skipping insertion in model container [2022-11-25 17:02:42,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:42" (1/1) ... [2022-11-25 17:02:42,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:02:42,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:02:42,838 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:02:43,303 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:02:43,314 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:43,318 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:43,329 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:43,332 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:43,361 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:02:43,377 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:02:43,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:02:43,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:02:43,422 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:02:43,507 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:02:43,510 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:43,512 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:43,515 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:43,518 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:43,524 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:02:43,530 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:02:43,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:02:43,677 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:02:43,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43 WrapperNode [2022-11-25 17:02:43,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:02:43,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:02:43,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:02:43,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:02:43,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,745 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-11-25 17:02:43,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:02:43,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:02:43,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:02:43,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:02:43,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:02:43,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:02:43,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:02:43,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:02:43,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (1/1) ... [2022-11-25 17:02:43,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:02:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:02:43,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:02:43,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:02:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:02:43,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:02:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:02:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-25 17:02:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-25 17:02:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:02:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:02:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:02:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:02:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:02:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:02:43,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:02:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:02:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:02:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:02:44,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:02:44,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:02:44,254 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:02:44,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:02:44,273 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:02:44,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:44 BoogieIcfgContainer [2022-11-25 17:02:44,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:02:44,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:02:44,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:02:44,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:02:44,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:02:42" (1/3) ... [2022-11-25 17:02:44,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b02c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:44, skipping insertion in model container [2022-11-25 17:02:44,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:43" (2/3) ... [2022-11-25 17:02:44,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b02c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:44, skipping insertion in model container [2022-11-25 17:02:44,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:44" (3/3) ... [2022-11-25 17:02:44,282 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:44,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:02:44,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 17:02:44,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:02:44,384 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;@6d188ce1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:02:44,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 17:02:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 17:02:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:02:44,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:44,398 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:44,399 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 17:02:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash -30701167, now seen corresponding path program 1 times [2022-11-25 17:02:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:44,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923793225] [2022-11-25 17:02:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:44,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:02:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:02:44,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:44,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923793225] [2022-11-25 17:02:44,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923793225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:44,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:44,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:02:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831905493] [2022-11-25 17:02:44,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:44,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:02:44,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:44,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:02:44,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:02:44,893 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:02:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:44,987 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2022-11-25 17:02:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:02:44,990 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-25 17:02:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:44,997 INFO L225 Difference]: With dead ends: 76 [2022-11-25 17:02:44,998 INFO L226 Difference]: Without dead ends: 31 [2022-11-25 17:02:45,001 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 [2022-11-25 17:02:45,005 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 11 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:45,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 91 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:02:45,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-25 17:02:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-25 17:02:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:02:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-11-25 17:02:45,046 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 22 [2022-11-25 17:02:45,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:45,048 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-11-25 17:02:45,048 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:02:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-25 17:02:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:02:45,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:45,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:45,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:02:45,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:02:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:45,053 INFO L85 PathProgramCache]: Analyzing trace with hash -631698228, now seen corresponding path program 1 times [2022-11-25 17:02:45,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:45,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545225378] [2022-11-25 17:02:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:02:45,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:45,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545225378] [2022-11-25 17:02:45,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545225378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:45,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:45,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:02:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457550651] [2022-11-25 17:02:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:45,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:02:45,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:02:45,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:02:45,215 INFO L87 Difference]: Start difference. First operand 31 states and 34 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:02:45,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:45,231 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-25 17:02:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:02:45,232 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-25 17:02:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:45,233 INFO L225 Difference]: With dead ends: 31 [2022-11-25 17:02:45,233 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 17:02:45,233 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 [2022-11-25 17:02:45,235 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:45,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:02:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 17:02:45,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-25 17:02:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:02:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-25 17:02:45,241 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 24 [2022-11-25 17:02:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:45,242 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-25 17:02:45,242 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:02:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-25 17:02:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:02:45,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:45,243 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:45,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:02:45,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:02:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1892191486, now seen corresponding path program 1 times [2022-11-25 17:02:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:45,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186954777] [2022-11-25 17:02:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:45,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:02:45,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:02:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:02:45,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:02:45,328 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:02:45,329 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 17:02:45,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 17:02:45,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 17:02:45,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 17:02:45,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:02:45,336 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:02:45,340 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:02:45,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:02:45 BoogieIcfgContainer [2022-11-25 17:02:45,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:02:45,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:02:45,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:02:45,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:02:45,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:44" (3/4) ... [2022-11-25 17:02:45,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:02:45,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:02:45,400 INFO L158 Benchmark]: Toolchain (without parser) took 3032.89ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 114.1MB in the beginning and 116.5MB in the end (delta: -2.4MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-11-25 17:02:45,401 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:02:45,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.83ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 113.8MB in the beginning and 134.6MB in the end (delta: -20.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2022-11-25 17:02:45,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.65ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 131.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:02:45,412 INFO L158 Benchmark]: Boogie Preprocessor took 50.89ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:02:45,413 INFO L158 Benchmark]: RCFGBuilder took 476.64ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 115.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:02:45,413 INFO L158 Benchmark]: TraceAbstraction took 1116.83ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 116.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:02:45,413 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 186.6MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:02:45,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.83ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 113.8MB in the beginning and 134.6MB in the end (delta: -20.9MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.65ms. Allocated memory is still 186.6MB. Free memory was 134.6MB in the beginning and 131.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.89ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.64ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 115.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1116.83ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 116.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 186.6MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1597] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={5:0}] [L1414] COND TRUE line != ((void *)0) [L1597] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741828:1073741831}, argv={1073741828:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1598] CALL CWE190_Integer_Overflow__int_fgets_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1572] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 80 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:02:45,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 --- 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 17:02:47,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:02:47,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:02:47,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:02:47,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:02:48,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:02:48,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:02:48,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:02:48,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:02:48,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:02:48,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:02:48,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:02:48,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:02:48,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:02:48,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:02:48,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:02:48,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:02:48,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:02:48,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:02:48,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:02:48,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:02:48,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:02:48,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:02:48,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:02:48,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:02:48,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:02:48,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:02:48,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:02:48,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:02:48,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:02:48,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:02:48,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:02:48,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:02:48,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:02:48,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:02:48,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:02:48,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:02:48,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:02:48,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:02:48,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:02:48,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:02:48,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:02:48,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:02:48,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:02:48,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:02:48,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:02:48,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:02:48,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:02:48,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:02:48,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:02:48,129 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:02:48,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:02:48,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:02:48,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:02:48,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:02:48,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:02:48,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:02:48,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:02:48,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:02:48,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:02:48,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:02:48,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:02:48,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:02:48,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:02:48,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:02:48,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:02:48,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:02:48,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:02:48,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:02:48,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:02:48,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:02:48,134 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:02:48,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:02:48,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:02:48,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:02:48,135 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:02:48,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:02:48,136 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:02:48,136 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_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295e238f3d082836e350ba49d0bd72376532101eb7ff98fb62c39e511a7670c1 [2022-11-25 17:02:48,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:02:48,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:02:48,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:02:48,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:02:48,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:02:48,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:51,766 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:02:52,152 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:02:52,153 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:52,193 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/aec7d7635/7d19f6cf6389446cbd5b5ac340be9cc2/FLAG6de304d90 [2022-11-25 17:02:52,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/data/aec7d7635/7d19f6cf6389446cbd5b5ac340be9cc2 [2022-11-25 17:02:52,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:02:52,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:02:52,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:02:52,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:02:52,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:02:52,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:52" (1/1) ... [2022-11-25 17:02:52,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b16e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:52, skipping insertion in model container [2022-11-25 17:02:52,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:52" (1/1) ... [2022-11-25 17:02:52,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:02:52,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:02:52,707 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:02:53,261 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:02:53,267 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:53,271 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:53,281 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:53,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:53,314 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:02:53,329 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:02:53,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:02:53,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:02:53,379 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:02:53,463 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:02:53,467 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:53,470 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:02:53,474 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:53,475 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:02:53,481 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:02:53,488 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:02:53,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:02:53,672 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:02:53,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53 WrapperNode [2022-11-25 17:02:53,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:02:53,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:02:53,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:02:53,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:02:53,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,740 INFO L138 Inliner]: procedures = 505, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-25 17:02:53,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:02:53,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:02:53,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:02:53,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:02:53,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:02:53,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:02:53,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:02:53,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:02:53,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (1/1) ... [2022-11-25 17:02:53,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:02:53,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:02:53,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:02:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:02:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:02:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:02:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-25 17:02:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-25 17:02:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:02:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:02:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:02:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:02:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:02:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:02:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:02:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:02:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:02:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:02:54,136 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:02:54,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:02:54,309 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:02:54,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:02:54,316 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:02:54,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:54 BoogieIcfgContainer [2022-11-25 17:02:54,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:02:54,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:02:54,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:02:54,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:02:54,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:02:52" (1/3) ... [2022-11-25 17:02:54,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ac738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:54, skipping insertion in model container [2022-11-25 17:02:54,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:53" (2/3) ... [2022-11-25 17:02:54,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ac738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:54, skipping insertion in model container [2022-11-25 17:02:54,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:54" (3/3) ... [2022-11-25 17:02:54,327 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_bad.i [2022-11-25 17:02:54,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:02:54,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 17:02:54,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:02:54,427 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;@3bb11a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:02:54,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 17:02:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 25 states have (on average 1.44) internal successors, (36), 33 states have internal predecessors, (36), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 17:02:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:02:54,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:54,443 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:54,444 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 17:02:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:54,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1846737014, now seen corresponding path program 1 times [2022-11-25 17:02:54,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:02:54,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630632850] [2022-11-25 17:02:54,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:54,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:02:54,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:02:54,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:02:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:54,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:02:54,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:02:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:02:54,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:02:54,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:02:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630632850] [2022-11-25 17:02:54,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630632850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:54,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:54,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:02:54,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375258018] [2022-11-25 17:02:54,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:54,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:02:54,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:02:54,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:02:54,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:02:54,805 INFO L87 Difference]: Start difference. First operand has 41 states, 25 states have (on average 1.44) internal successors, (36), 33 states have internal predecessors, (36), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:02:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:54,897 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2022-11-25 17:02:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:02:54,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-25 17:02:54,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:54,907 INFO L225 Difference]: With dead ends: 73 [2022-11-25 17:02:54,907 INFO L226 Difference]: Without dead ends: 29 [2022-11-25 17:02:54,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 17:02:54,916 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:54,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 87 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:02:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-25 17:02:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-25 17:02:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.263157894736842) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:02:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-25 17:02:54,967 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 20 [2022-11-25 17:02:54,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:54,969 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-25 17:02:54,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:02:54,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-25 17:02:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:02:54,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:54,973 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:54,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 17:02:55,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:55,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:02:55,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash -381285297, now seen corresponding path program 1 times [2022-11-25 17:02:55,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:02:55,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238159344] [2022-11-25 17:02:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:55,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:55,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:02:55,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:02:55,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:02:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:55,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:02:55,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:02:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:02:55,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:02:55,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:02:55,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238159344] [2022-11-25 17:02:55,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238159344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:55,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:55,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:02:55,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951464095] [2022-11-25 17:02:55,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:55,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:02:55,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:02:55,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:02:55,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:02:55,364 INFO L87 Difference]: Start difference. First operand 29 states and 32 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:02:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:55,385 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-25 17:02:55,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:02:55,386 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-11-25 17:02:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:55,387 INFO L225 Difference]: With dead ends: 29 [2022-11-25 17:02:55,387 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 17:02:55,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 17:02:55,388 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 5 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:55,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 46 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:02:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 17:02:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-25 17:02:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:02:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-25 17:02:55,394 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 22 [2022-11-25 17:02:55,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:55,395 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-25 17:02:55,395 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:02:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-25 17:02:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:02:55,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:55,396 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:55,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:02:55,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:55,610 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:02:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:55,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1065057753, now seen corresponding path program 1 times [2022-11-25 17:02:55,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:02:55,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693291954] [2022-11-25 17:02:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:55,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:02:55,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:02:55,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 17:02:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:02:55,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:02:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:02:55,820 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:02:55,820 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:02:55,821 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 17:02:55,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 17:02:55,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 17:02:55,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 17:02:55,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:02:56,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:02:56,035 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:02:56,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:02:56,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:02:56 BoogieIcfgContainer [2022-11-25 17:02:56,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:02:56,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:02:56,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:02:56,076 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:02:56,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:54" (3/4) ... [2022-11-25 17:02:56,081 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:02:56,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:02:56,087 INFO L158 Benchmark]: Toolchain (without parser) took 3866.72ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 55.6MB in the beginning and 54.4MB in the end (delta: 1.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,091 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:02:56,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.76ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 55.4MB in the beginning and 58.0MB in the end (delta: -2.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.33ms. Allocated memory is still 107.0MB. Free memory was 58.0MB in the beginning and 55.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,095 INFO L158 Benchmark]: Boogie Preprocessor took 33.15ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 52.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,097 INFO L158 Benchmark]: RCFGBuilder took 542.88ms. Allocated memory is still 107.0MB. Free memory was 52.8MB in the beginning and 67.5MB in the end (delta: -14.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,098 INFO L158 Benchmark]: TraceAbstraction took 1754.84ms. Allocated memory is still 107.0MB. Free memory was 67.2MB in the beginning and 55.0MB in the end (delta: 12.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-25 17:02:56,099 INFO L158 Benchmark]: Witness Printer took 7.76ms. Allocated memory is still 107.0MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:02:56,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 56.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.76ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 55.4MB in the beginning and 58.0MB in the end (delta: -2.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.33ms. Allocated memory is still 107.0MB. Free memory was 58.0MB in the beginning and 55.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.15ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 52.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.88ms. Allocated memory is still 107.0MB. Free memory was 52.8MB in the beginning and 67.5MB in the end (delta: -14.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1754.84ms. Allocated memory is still 107.0MB. Free memory was 67.2MB in the beginning and 55.0MB in the end (delta: 12.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 7.76ms. Allocated memory is still 107.0MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1597] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={5:0}] [L1414] COND TRUE line != ((void *)0) [L1597] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1598] CALL CWE190_Integer_Overflow__int_fgets_multiply_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1572] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1574]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 76 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:02:56,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a90ed90-8fcb-4df8-89df-ad2b869b484d/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: UNKNOWN: Overapproximated counterexample