./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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_148b51f3-f524-4923-9a9d-5af8058261bd/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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- 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 17:01:32,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:01:32,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:01:32,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:01:32,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:01:32,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:01:32,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:01:32,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:01:32,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:01:32,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:01:32,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:01:32,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:01:32,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:01:32,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:01:32,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:01:32,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:01:32,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:01:32,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:01:32,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:01:32,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:01:32,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:01:32,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:01:32,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:01:32,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:01:32,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:01:32,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:01:32,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:01:32,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:01:32,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:01:32,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:01:32,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:01:32,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:01:32,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:01:32,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:01:32,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:01:32,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:01:32,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:01:32,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:01:32,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:01:32,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:01:32,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:01:32,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:01:32,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:01:32,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:01:32,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:01:32,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:01:32,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:01:32,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:01:32,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:01:32,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:01:32,647 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:01:32,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:01:32,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:01:32,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:01:32,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:01:32,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:01:32,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:01:32,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:01:32,649 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:01:32,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:01:32,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:01:32,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:01:32,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:01:32,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:01:32,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:01:32,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:32,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:01:32,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:01:32,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:01:32,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:01:32,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:01:32,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:01:32,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:01:32,653 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:01:32,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:01:32,653 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_148b51f3-f524-4923-9a9d-5af8058261bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2022-11-25 17:01:32,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:01:32,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:01:32,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:01:32,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:01:32,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:01:32,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:36,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:01:36,412 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:01:36,413 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:36,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/188dc9bc5/3b69be00bb7e4dd6ae643c73cf5bcf4a/FLAGb1b76dc4e [2022-11-25 17:01:36,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/188dc9bc5/3b69be00bb7e4dd6ae643c73cf5bcf4a [2022-11-25 17:01:36,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:01:36,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:01:36,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:36,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:01:36,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:01:36,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:36" (1/1) ... [2022-11-25 17:01:36,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed3fa68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:36, skipping insertion in model container [2022-11-25 17:01:36,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:36" (1/1) ... [2022-11-25 17:01:36,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:01:36,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:01:37,031 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:01:37,753 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:01:37,759 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:37,762 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:37,764 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:37,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:37,794 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:01:37,800 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:01:37,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:37,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:01:37,832 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:01:37,873 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:01:37,875 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:37,876 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:37,878 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:37,879 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:37,884 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:01:37,886 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:01:37,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:38,041 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:01:38,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38 WrapperNode [2022-11-25 17:01:38,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:38,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:38,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:01:38,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:01:38,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,094 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-11-25 17:01:38,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:38,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:01:38,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:01:38,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:01:38,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:01:38,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:01:38,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:01:38,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:01:38,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (1/1) ... [2022-11-25 17:01:38,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:38,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:38,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:01:38,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:01:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:01:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:01:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:01:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:01:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:01:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:01:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:01:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:01:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 17:01:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 17:01:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:01:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:01:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:01:38,465 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:01:38,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:01:38,654 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:01:38,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:01:38,670 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:01:38,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:38 BoogieIcfgContainer [2022-11-25 17:01:38,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:01:38,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:01:38,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:01:38,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:01:38,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:01:36" (1/3) ... [2022-11-25 17:01:38,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358b055f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:38, skipping insertion in model container [2022-11-25 17:01:38,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:38" (2/3) ... [2022-11-25 17:01:38,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358b055f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:38, skipping insertion in model container [2022-11-25 17:01:38,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:38" (3/3) ... [2022-11-25 17:01:38,687 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:38,710 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:01:38,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:01:38,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:01:38,792 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;@62c87613, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:01:38,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:01:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:01:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:01:38,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:38,808 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:38,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:38,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1811171087, now seen corresponding path program 1 times [2022-11-25 17:01:38,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:38,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269375888] [2022-11-25 17:01:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:01:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:01:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:01:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 17:01:39,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:39,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269375888] [2022-11-25 17:01:39,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269375888] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:01:39,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408434660] [2022-11-25 17:01:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:39,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:01:39,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:39,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:01:39,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:01:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:39,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:01:39,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:01:39,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:01:39,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408434660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:39,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:01:39,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 17:01:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989613608] [2022-11-25 17:01:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:39,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:01:39,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:39,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:01:39,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:01:39,664 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 25 states have internal predecessors, (29), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:01:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:39,728 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-11-25 17:01:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:01:39,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-25 17:01:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:39,741 INFO L225 Difference]: With dead ends: 58 [2022-11-25 17:01:39,742 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 17:01:39,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:01:39,751 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 8 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:39,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 76 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 17:01:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 17:01:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:01:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-25 17:01:39,795 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2022-11-25 17:01:39,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:39,796 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-25 17:01:39,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:01:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-25 17:01:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:01:39,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:39,800 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:39,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:01:40,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:01:40,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:40,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:40,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1344832596, now seen corresponding path program 1 times [2022-11-25 17:01:40,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:40,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305472578] [2022-11-25 17:01:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:01:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:01:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:01:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:01:40,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:40,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305472578] [2022-11-25 17:01:40,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305472578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:40,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:40,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:01:40,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006087574] [2022-11-25 17:01:40,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:40,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:01:40,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:40,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:01:40,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:40,153 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:01:40,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:40,162 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-25 17:01:40,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:01:40,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-11-25 17:01:40,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:40,164 INFO L225 Difference]: With dead ends: 24 [2022-11-25 17:01:40,164 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 17:01:40,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:40,166 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:40,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 41 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 17:01:40,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 17:01:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:01:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-25 17:01:40,173 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 24 [2022-11-25 17:01:40,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:40,174 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-25 17:01:40,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:01:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-25 17:01:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:01:40,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:40,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:40,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:01:40,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:40,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1259862554, now seen corresponding path program 1 times [2022-11-25 17:01:40,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:40,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175765786] [2022-11-25 17:01:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:40,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:01:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:40,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:01:40,230 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:01:40,231 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:01:40,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:01:40,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:01:40,239 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:01:40,244 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:01:40,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:01:40 BoogieIcfgContainer [2022-11-25 17:01:40,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:01:40,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:01:40,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:01:40,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:01:40,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:38" (3/4) ... [2022-11-25 17:01:40,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:01:40,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:01:40,301 INFO L158 Benchmark]: Toolchain (without parser) took 3831.76ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 89.7MB in the end (delta: 22.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:40,302 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:40,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.40ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 102.6MB in the end (delta: 9.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-25 17:01:40,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.48ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:40,317 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 98.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:40,318 INFO L158 Benchmark]: RCFGBuilder took 533.55ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 85.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:01:40,318 INFO L158 Benchmark]: TraceAbstraction took 1620.82ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 90.7MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:40,321 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 89.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:40,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 69.9MB in the beginning and 69.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.40ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 102.6MB in the end (delta: 9.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.48ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 98.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.55ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 85.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1620.82ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 90.7MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 89.7MB in the end (delta: 1.0MB). 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566. 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] [L1586] 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) [L1586] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741826:1073741830}, argv={1073741826:1073741830}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] RET staticReturnsTrue() VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1574] COND TRUE staticReturnsTrue() [L1576] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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 3 procedures, 32 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 72 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 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 17:01:40,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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_148b51f3-f524-4923-9a9d-5af8058261bd/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 c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db --- 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 17:01:42,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:01:42,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:01:42,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:01:42,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:01:42,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:01:42,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:01:42,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:01:42,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:01:42,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:01:42,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:01:42,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:01:42,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:01:42,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:01:42,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:01:42,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:01:42,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:01:42,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:01:42,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:01:42,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:01:42,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:01:42,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:01:42,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:01:42,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:01:42,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:01:42,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:01:42,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:01:42,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:01:42,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:01:42,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:01:42,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:01:42,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:01:42,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:01:42,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:01:42,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:01:42,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:01:42,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:01:42,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:01:42,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:01:42,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:01:42,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:01:42,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:01:42,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:01:42,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:01:42,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:01:42,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:01:42,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:01:42,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:01:42,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:01:42,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:01:42,816 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:01:42,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:01:42,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:01:42,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:01:42,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:01:42,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:01:42,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:01:42,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:01:42,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:01:42,819 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:01:42,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:01:42,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:01:42,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:01:42,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:01:42,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:01:42,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:01:42,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:01:42,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:42,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:01:42,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:01:42,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:01:42,823 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:01:42,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:01:42,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:01:42,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:01:42,824 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:01:42,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:01:42,824 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:01:42,824 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_148b51f3-f524-4923-9a9d-5af8058261bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7bcea44d2d5c873e0b8e8c55b7326f378336441a2a8a0bedf0637d4e55558db [2022-11-25 17:01:43,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:01:43,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:01:43,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:01:43,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:01:43,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:01:43,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:46,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:01:46,842 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:01:46,843 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:46,864 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/c9c0e5da5/bf50a960b81a446a99f5a1d65cb3b5fe/FLAG08391caf7 [2022-11-25 17:01:46,884 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/data/c9c0e5da5/bf50a960b81a446a99f5a1d65cb3b5fe [2022-11-25 17:01:46,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:01:46,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:01:46,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:46,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:01:46,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:01:46,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:46" (1/1) ... [2022-11-25 17:01:46,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e9b1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:46, skipping insertion in model container [2022-11-25 17:01:46,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:46" (1/1) ... [2022-11-25 17:01:46,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:01:46,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:01:47,426 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:01:48,241 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:01:48,248 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:48,250 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:48,257 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:48,259 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:48,288 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:01:48,295 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:01:48,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:48,314 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:01:48,342 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:01:48,413 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:01:48,415 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:48,416 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:01:48,418 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:48,418 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:01:48,423 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:01:48,425 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:01:48,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:48,582 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:01:48,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48 WrapperNode [2022-11-25 17:01:48,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:48,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:48,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:01:48,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:01:48,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,678 INFO L138 Inliner]: procedures = 507, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-25 17:01:48,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:48,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:01:48,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:01:48,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:01:48,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:01:48,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:01:48,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:01:48,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:01:48,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (1/1) ... [2022-11-25 17:01:48,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:48,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:01:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:01:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:01:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:01:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:01:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:01:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:01:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:01:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:01:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:01:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 17:01:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 17:01:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:01:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:01:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:01:49,002 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:01:49,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:01:49,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:01:49,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:01:49,188 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:01:49,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:49 BoogieIcfgContainer [2022-11-25 17:01:49,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:01:49,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:01:49,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:01:49,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:01:49,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:01:46" (1/3) ... [2022-11-25 17:01:49,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f42e6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:49, skipping insertion in model container [2022-11-25 17:01:49,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:48" (2/3) ... [2022-11-25 17:01:49,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f42e6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:01:49, skipping insertion in model container [2022-11-25 17:01:49,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:49" (3/3) ... [2022-11-25 17:01:49,205 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_08_bad.i [2022-11-25 17:01:49,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:01:49,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:01:49,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:01:49,306 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;@4b052e42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:01:49,307 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:01:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:01:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:01:49,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:49,326 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:49,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:49,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1814819498, now seen corresponding path program 1 times [2022-11-25 17:01:49,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:49,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789992369] [2022-11-25 17:01:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:49,351 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 17:01:49,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:49,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:49,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:49,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:01:49,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:01:49,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:01:49,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:01:49,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789992369] [2022-11-25 17:01:49,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789992369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:49,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:49,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:01:49,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468077941] [2022-11-25 17:01:49,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:49,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:01:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:01:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:01:49,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:01:49,645 INFO L87 Difference]: Start difference. First operand has 30 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:01:49,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:49,695 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2022-11-25 17:01:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:01:49,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-25 17:01:49,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:49,706 INFO L225 Difference]: With dead ends: 51 [2022-11-25 17:01:49,706 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 17:01:49,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:01:49,713 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:49,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 17:01:49,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 17:01:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:01:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-25 17:01:49,752 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 20 [2022-11-25 17:01:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:49,754 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-25 17:01:49,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 17:01:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-25 17:01:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:01:49,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:49,756 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:49,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:01:49,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:49,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash -761264401, now seen corresponding path program 1 times [2022-11-25 17:01:49,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:49,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241017187] [2022-11-25 17:01:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:49,973 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 17:01:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:49,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:49,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:50,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:01:50,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:01:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:01:50,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:01:50,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:01:50,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241017187] [2022-11-25 17:01:50,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241017187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:01:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500362762] [2022-11-25 17:01:50,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:50,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:01:50,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:01:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:01:50,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:50,153 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:01:50,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:50,166 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-11-25 17:01:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:01:50,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-11-25 17:01:50,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:50,168 INFO L225 Difference]: With dead ends: 23 [2022-11-25 17:01:50,168 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 17:01:50,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:01:50,169 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:50,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:01:50,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 17:01:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 17:01:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 17:01:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-25 17:01:50,176 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 22 [2022-11-25 17:01:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:50,176 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-25 17:01:50,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:01:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-25 17:01:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:01:50,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:50,178 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:50,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,391 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:01:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2124359883, now seen corresponding path program 1 times [2022-11-25 17:01:50,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:01:50,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807196975] [2022-11-25 17:01:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:50,393 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 17:01:50,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:01:50,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:50,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:01:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:01:50,609 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:01:50,609 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:01:50,610 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:01:50,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:01:50,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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 17:01:50,825 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:01:50,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:01:50,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:01:50 BoogieIcfgContainer [2022-11-25 17:01:50,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:01:50,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:01:50,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:01:50,869 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:01:50,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:01:49" (3/4) ... [2022-11-25 17:01:50,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:01:50,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:01:50,873 INFO L158 Benchmark]: Toolchain (without parser) took 3985.17ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 50.8MB in the end (delta: 3.3MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,874 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:01:50,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1693.39ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 49.3MB in the end (delta: 4.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.92ms. Allocated memory is still 79.7MB. Free memory was 49.3MB in the beginning and 46.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,876 INFO L158 Benchmark]: Boogie Preprocessor took 33.78ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,876 INFO L158 Benchmark]: RCFGBuilder took 477.34ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 68.2MB in the end (delta: -24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,877 INFO L158 Benchmark]: TraceAbstraction took 1673.98ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 51.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,877 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 50.8MB in the end (delta: 716.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:01:50,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1693.39ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 49.3MB in the end (delta: 4.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.92ms. Allocated memory is still 79.7MB. Free memory was 49.3MB in the beginning and 46.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.78ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.34ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 44.0MB in the beginning and 68.2MB in the end (delta: -24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1673.98ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 51.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 50.8MB in the end (delta: 716.2kB). 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566. 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] [L1586] 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) [L1586] 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] [L1587] CALL CWE190_Integer_Overflow__int_fgets_multiply_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] RET staticReturnsTrue() VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1574] COND TRUE staticReturnsTrue() [L1576] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 142 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 58 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:01:50,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148b51f3-f524-4923-9a9d-5af8058261bd/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