./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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_11076394-6890-40f1-bef0-c6c114ca6f79/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 e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 --- 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 17:00:00,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:00,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:00,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:00,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:00,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:00,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:00,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:00,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:00,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:00,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:00,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:00,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:00,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:00,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:00,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:00,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:00,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:00,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:00,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:00,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:00,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:00,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:00,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:00,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:00,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:00,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:00,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:00,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:00,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:00,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:00,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:00,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:00,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:00,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:00,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:00,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:00,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:00,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:00,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:00,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:00,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:00:00,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:00,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:00,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:00,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:00,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:00,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:00,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:00,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:00,580 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:00,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:00,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:00:00,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:00:00,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:00,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:00,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:00,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:00,583 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:00:00,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:00,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:00,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:00,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:00,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:00,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:00,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:00,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:00,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:00,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:00,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:00:00,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:00:00,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:00,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:00,588 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:00,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:00,589 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_11076394-6890-40f1-bef0-c6c114ca6f79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 [2022-11-25 17:00:00,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:00,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:00,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:00,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:00,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:00,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:04,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:00:05,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:00:05,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:05,034 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/fd6a4633c/b4b6ad09de6a4db9a5f8747179746e4a/FLAG1da900fbc [2022-11-25 17:00:05,052 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/fd6a4633c/b4b6ad09de6a4db9a5f8747179746e4a [2022-11-25 17:00:05,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:00:05,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:00:05,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:05,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:00:05,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:00:05,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:05" (1/1) ... [2022-11-25 17:00:05,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e23c575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:05, skipping insertion in model container [2022-11-25 17:00:05,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:05" (1/1) ... [2022-11-25 17:00:05,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:00:05,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:00:05,624 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:00:06,308 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:00:06,315 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:06,318 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:06,321 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:06,322 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:06,354 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:00:06,361 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:00:06,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:06,375 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:00:06,400 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:00:06,468 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:00:06,470 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:06,472 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:06,475 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:06,476 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:06,481 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:00:06,484 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:00:06,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:06,708 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:00:06,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06 WrapperNode [2022-11-25 17:00:06,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:06,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:06,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:00:06,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:00:06,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,778 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-25 17:00:06,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:06,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:00:06,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:00:06,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:00:06,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:00:06,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:00:06,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:00:06,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:00:06,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (1/1) ... [2022-11-25 17:00:06,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:06,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:06,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:00:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:00:06,985 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:00:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:00:06,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:00:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:00:06,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:00:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:00:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:00:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:00:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:00:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:00:06,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:00:07,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:00:07,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:00:07,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:00:07,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:00:07,412 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:00:07,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:07 BoogieIcfgContainer [2022-11-25 17:00:07,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:00:07,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:00:07,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:00:07,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:00:07,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:00:05" (1/3) ... [2022-11-25 17:00:07,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d63aedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:07, skipping insertion in model container [2022-11-25 17:00:07,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:06" (2/3) ... [2022-11-25 17:00:07,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d63aedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:07, skipping insertion in model container [2022-11-25 17:00:07,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:07" (3/3) ... [2022-11-25 17:00:07,426 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:07,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:00:07,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:00:07,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:00:07,517 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;@6900a1f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:00:07,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:00:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:00:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:00:07,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:07,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:07,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:07,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:07,541 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-25 17:00:07,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:07,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014856879] [2022-11-25 17:00:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:00:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:00:07,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:00:07,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014856879] [2022-11-25 17:00:07,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014856879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:07,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:07,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:00:07,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153010928] [2022-11-25 17:00:07,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:07,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:00:07,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:00:07,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:00:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:00:07,920 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:07,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:07,970 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-25 17:00:07,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:00:07,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 17:00:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:07,993 INFO L225 Difference]: With dead ends: 40 [2022-11-25 17:00:07,993 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:00:07,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:00:08,001 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:08,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:00:08,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:00:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:00:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:00:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-25 17:00:08,081 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-25 17:00:08,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:08,083 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 17:00:08,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-25 17:00:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:00:08,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:08,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:08,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:00:08,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:08,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-25 17:00:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:08,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648672457] [2022-11-25 17:00:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:00:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:00:08,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:00:08,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648672457] [2022-11-25 17:00:08,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648672457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:08,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:08,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:00:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989428889] [2022-11-25 17:00:08,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:08,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:00:08,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:00:08,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:00:08,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:00:08,304 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:08,330 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-25 17:00:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:00:08,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 17:00:08,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:08,332 INFO L225 Difference]: With dead ends: 17 [2022-11-25 17:00:08,332 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 17:00:08,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:00:08,334 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:08,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 38 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:00:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 17:00:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 17:00:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:00:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-25 17:00:08,342 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-25 17:00:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:08,342 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-25 17:00:08,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-25 17:00:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:00:08,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:08,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:08,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:00:08,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-25 17:00:08,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:08,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225551109] [2022-11-25 17:00:08,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:08,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:08,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:00:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:08,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:00:08,427 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:00:08,428 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:00:08,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:00:08,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:00:08,436 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:00:08,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:00:08,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:00:08 BoogieIcfgContainer [2022-11-25 17:00:08,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:00:08,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:00:08,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:00:08,475 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:00:08,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:07" (3/4) ... [2022-11-25 17:00:08,479 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:00:08,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:00:08,481 INFO L158 Benchmark]: Toolchain (without parser) took 3423.57ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 103.5MB in the beginning and 112.1MB in the end (delta: -8.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,481 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:08,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1650.85ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 103.5MB in the beginning and 115.1MB in the end (delta: -11.6MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.10ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 112.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,484 INFO L158 Benchmark]: Boogie Preprocessor took 69.76ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,485 INFO L158 Benchmark]: RCFGBuilder took 564.20ms. Allocated memory is still 172.0MB. Free memory was 109.9MB in the beginning and 97.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:00:08,485 INFO L158 Benchmark]: TraceAbstraction took 1055.99ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 112.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:08,486 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 172.0MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:08,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1650.85ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 103.5MB in the beginning and 115.1MB in the end (delta: -11.6MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.10ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 112.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.76ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.20ms. Allocated memory is still 172.0MB. Free memory was 109.9MB in the beginning and 97.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.99ms. Allocated memory is still 172.0MB. Free memory was 96.2MB in the beginning and 112.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 172.0MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483651:2147483654}, argv={2147483651:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data++ VAL [data=2147483647, data++=2147483647, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 40 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:00:08,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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_11076394-6890-40f1-bef0-c6c114ca6f79/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 e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 --- 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 17:00:11,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:11,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:11,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:11,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:11,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:11,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:11,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:11,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:11,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:11,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:11,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:11,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:11,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:11,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:11,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:11,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:11,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:11,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:11,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:11,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:11,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:11,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:11,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:11,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:11,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:11,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:11,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:11,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:11,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:11,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:11,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:11,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:11,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:11,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:11,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:11,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:11,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:11,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:11,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:11,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:11,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:00:11,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:11,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:11,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:11,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:11,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:11,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:11,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:11,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:11,678 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:11,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:11,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:00:11,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:11,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:11,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:11,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:11,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:00:11,682 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:00:11,682 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:00:11,682 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:00:11,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:11,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:11,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:11,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:11,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:11,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:11,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:11,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:11,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:11,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:11,686 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:00:11,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:00:11,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:11,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:11,687 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:11,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:11,688 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:00:11,688 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_11076394-6890-40f1-bef0-c6c114ca6f79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 [2022-11-25 17:00:12,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:12,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:12,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:12,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:12,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:12,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:15,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:00:16,322 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:00:16,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:16,351 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/1a43e817f/c00ef5e9fef246dc88923e195c45376e/FLAG3fc9fe63d [2022-11-25 17:00:16,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/data/1a43e817f/c00ef5e9fef246dc88923e195c45376e [2022-11-25 17:00:16,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:00:16,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:00:16,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:16,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:00:16,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:00:16,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:16" (1/1) ... [2022-11-25 17:00:16,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373d773a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:16, skipping insertion in model container [2022-11-25 17:00:16,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:16" (1/1) ... [2022-11-25 17:00:16,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:00:16,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:00:16,989 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:00:17,637 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:00:17,645 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:17,651 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:17,657 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:17,668 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:17,716 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:00:17,728 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:00:17,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:17,756 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:00:17,783 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:00:17,939 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:00:17,957 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:17,959 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:00:17,961 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:17,962 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:00:17,967 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:00:17,971 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:00:17,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:18,178 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:00:18,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18 WrapperNode [2022-11-25 17:00:18,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:18,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:18,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:00:18,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:00:18,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,261 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2022-11-25 17:00:18,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:18,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:00:18,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:00:18,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:00:18,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:00:18,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:00:18,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:00:18,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:00:18,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (1/1) ... [2022-11-25 17:00:18,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:18,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:18,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:00:18,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:00:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:00:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:00:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:00:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:00:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:00:18,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:00:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:00:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:00:18,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:00:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:00:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:00:18,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:00:18,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:00:19,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:00:19,025 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:00:19,025 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:00:19,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:19 BoogieIcfgContainer [2022-11-25 17:00:19,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:00:19,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:00:19,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:00:19,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:00:19,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:00:16" (1/3) ... [2022-11-25 17:00:19,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7a5b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:19, skipping insertion in model container [2022-11-25 17:00:19,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:18" (2/3) ... [2022-11-25 17:00:19,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7a5b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:19, skipping insertion in model container [2022-11-25 17:00:19,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:19" (3/3) ... [2022-11-25 17:00:19,049 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2022-11-25 17:00:19,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:00:19,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:00:19,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:00:19,160 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;@67bef676, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:00:19,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:00:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:00:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:00:19,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:19,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:19,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-25 17:00:19,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:00:19,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637346134] [2022-11-25 17:00:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:19,211 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 17:00:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:00:19,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:19,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:19,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:00:19,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:00:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:00:19,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:00:19,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:00:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637346134] [2022-11-25 17:00:19,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637346134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:19,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:19,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:00:19,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621458211] [2022-11-25 17:00:19,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:19,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:00:19,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:00:19,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:00:19,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:00:19,553 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:19,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:19,586 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-25 17:00:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:00:19,601 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 17:00:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:19,611 INFO L225 Difference]: With dead ends: 24 [2022-11-25 17:00:19,611 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 17:00:19,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:00:19,623 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:19,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:00:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 17:00:19,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 17:00:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:00:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-25 17:00:19,669 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2022-11-25 17:00:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:19,671 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-25 17:00:19,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-25 17:00:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:00:19,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:19,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:19,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:19,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:19,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash -418707075, now seen corresponding path program 1 times [2022-11-25 17:00:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:00:19,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979624627] [2022-11-25 17:00:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:19,893 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 17:00:19,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:00:19,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:19,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:20,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:00:20,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:00:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:00:20,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:00:20,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:00:20,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979624627] [2022-11-25 17:00:20,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979624627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:20,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:20,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:00:20,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106837463] [2022-11-25 17:00:20,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:20,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:00:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:00:20,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:00:20,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:00:20,146 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:00:20,165 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-11-25 17:00:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:00:20,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:00:20,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:00:20,169 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:00:20,169 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 17:00:20,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:00:20,172 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:00:20,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:00:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 17:00:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 17:00:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:00:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-25 17:00:20,184 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2022-11-25 17:00:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:00:20,187 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-25 17:00:20,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:00:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-25 17:00:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:00:20,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:20,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:00:20,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:00:20,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:20,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-25 17:00:20,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:00:20,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518587968] [2022-11-25 17:00:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:20,416 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 17:00:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:00:20,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:20,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:00:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:00:20,684 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:00:20,684 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:00:20,685 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:00:20,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:00:20,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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 17:00:20,905 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:00:20,910 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:00:20,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:00:20 BoogieIcfgContainer [2022-11-25 17:00:20,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:00:20,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:00:20,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:00:20,946 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:00:20,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:19" (3/4) ... [2022-11-25 17:00:20,951 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:00:20,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:00:20,952 INFO L158 Benchmark]: Toolchain (without parser) took 4559.81ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 47.9MB in the end (delta: 25.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,952 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:00:20,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1783.08ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,954 INFO L158 Benchmark]: Boogie Preprocessor took 39.77ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,955 INFO L158 Benchmark]: RCFGBuilder took 735.24ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 53.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,955 INFO L158 Benchmark]: TraceAbstraction took 1904.33ms. Allocated memory is still 98.6MB. Free memory was 52.2MB in the beginning and 48.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,956 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 98.6MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 766.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:00:20,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1783.08ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 69.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.77ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.24ms. Allocated memory is still 98.6MB. Free memory was 66.9MB in the beginning and 53.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1904.33ms. Allocated memory is still 98.6MB. Free memory was 52.2MB in the beginning and 48.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 98.6MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 766.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 [L1569] data++ VAL [data=2147483647, data++=2147483647, 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:00:20,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11076394-6890-40f1-bef0-c6c114ca6f79/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