./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- 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 17:06:38,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:06:38,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:06:38,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:06:38,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:06:38,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:06:38,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:06:38,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:06:38,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:06:38,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:06:38,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:06:38,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:06:38,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:06:38,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:06:38,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:06:38,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:06:38,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:06:38,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:06:38,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:06:38,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:06:38,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:06:38,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:06:38,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:06:38,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:06:38,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:06:38,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:06:38,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:06:38,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:06:38,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:06:38,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:06:38,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:06:38,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:06:38,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:06:38,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:06:38,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:06:38,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:06:38,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:06:38,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:06:38,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:06:38,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:06:38,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:06:38,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:06:38,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:06:38,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:06:38,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:06:38,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:06:38,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:06:38,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:06:38,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:06:38,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:06:38,263 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:06:38,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:06:38,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:06:38,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:06:38,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:06:38,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:06:38,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:06:38,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:06:38,265 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:06:38,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:06:38,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:06:38,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:06:38,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:06:38,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:06:38,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:06:38,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:38,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:06:38,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:06:38,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:06:38,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:06:38,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:06:38,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:06:38,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:06:38,273 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:06:38,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:06:38,274 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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2022-11-25 17:06:38,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:06:38,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:06:38,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:06:38,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:06:38,566 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:06:38,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:41,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:06:41,947 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:06:41,951 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:41,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/eba0ce798/f77f1dd8a7364694aaedf4abd1e9e2d0/FLAG325abd6e2 [2022-11-25 17:06:42,084 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/eba0ce798/f77f1dd8a7364694aaedf4abd1e9e2d0 [2022-11-25 17:06:42,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:06:42,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:06:42,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:42,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:06:42,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:06:42,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:42" (1/1) ... [2022-11-25 17:06:42,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bee121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:42, skipping insertion in model container [2022-11-25 17:06:42,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:42" (1/1) ... [2022-11-25 17:06:42,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:06:42,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:06:42,621 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:06:43,468 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:06:43,480 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:43,484 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:43,491 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:43,492 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:43,544 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:06:43,554 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:06:43,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:43,571 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:06:43,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:06:43,673 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:06:43,676 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:43,677 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:43,681 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:43,682 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:43,697 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:06:43,699 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:06:43,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:43,837 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:06:43,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43 WrapperNode [2022-11-25 17:06:43,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:43,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:43,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:06:43,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:06:43,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,963 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-25 17:06:43,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:43,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:06:43,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:06:43,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:06:43,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:43,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:06:43,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:06:43,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:06:44,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:06:44,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (1/1) ... [2022-11-25 17:06:44,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:06:44,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:06:44,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:06:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:06:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:06:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:06:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:06:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:06:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:06:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:06:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:06:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:06:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:06:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:06:44,292 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:06:44,294 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:06:44,476 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:06:44,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:06:44,482 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:06:44,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44 BoogieIcfgContainer [2022-11-25 17:06:44,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:06:44,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:06:44,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:06:44,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:06:44,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:06:42" (1/3) ... [2022-11-25 17:06:44,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1487d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:44, skipping insertion in model container [2022-11-25 17:06:44,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:43" (2/3) ... [2022-11-25 17:06:44,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1487d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:44, skipping insertion in model container [2022-11-25 17:06:44,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44" (3/3) ... [2022-11-25 17:06:44,498 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:44,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:06:44,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:06:44,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:06:44,572 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;@69c14d45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:06:44,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:06:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:06:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:06:44,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:44,585 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:44,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:44,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:44,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2022-11-25 17:06:44,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:44,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971121746] [2022-11-25 17:06:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:44,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:44,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971121746] [2022-11-25 17:06:44,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971121746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:44,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:44,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:06:44,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190386795] [2022-11-25 17:06:44,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:44,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:44,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:44,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:44,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:44,958 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:44,988 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-11-25 17:06:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:44,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:06:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:44,997 INFO L225 Difference]: With dead ends: 42 [2022-11-25 17:06:44,997 INFO L226 Difference]: Without dead ends: 18 [2022-11-25 17:06:45,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:45,003 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:45,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:45,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-25 17:06:45,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 17:06:45,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:06:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-25 17:06:45,042 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-11-25 17:06:45,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:45,044 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-25 17:06:45,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-25 17:06:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:06:45,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:45,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:45,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:06:45,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:45,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2022-11-25 17:06:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:45,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120626555] [2022-11-25 17:06:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:45,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:45,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120626555] [2022-11-25 17:06:45,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120626555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:45,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:45,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:06:45,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51841402] [2022-11-25 17:06:45,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:45,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:45,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:45,202 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:45,212 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-11-25 17:06:45,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:45,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 17:06:45,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:45,214 INFO L225 Difference]: With dead ends: 18 [2022-11-25 17:06:45,214 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:06:45,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:45,216 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 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 17:06:45,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:45,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:06:45,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:06:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:06:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-25 17:06:45,221 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2022-11-25 17:06:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:45,221 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 17:06:45,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-25 17:06:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 17:06:45,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:45,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:45,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:06:45,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:45,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2022-11-25 17:06:45,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:45,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377901644] [2022-11-25 17:06:45,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:06:45,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:06:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:06:45,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:06:45,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:06:45,293 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:06:45,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:06:45,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:06:45,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:06:45,303 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:06:45,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:06:45 BoogieIcfgContainer [2022-11-25 17:06:45,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:06:45,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:06:45,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:06:45,331 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:06:45,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44" (3/4) ... [2022-11-25 17:06:45,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:06:45,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:06:45,335 INFO L158 Benchmark]: Toolchain (without parser) took 3247.40ms. Allocated memory is still 186.6MB. Free memory was 150.9MB in the beginning and 95.1MB in the end (delta: 55.8MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,336 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:45,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1750.55ms. Allocated memory is still 186.6MB. Free memory was 150.2MB in the beginning and 87.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.74ms. Allocated memory is still 186.6MB. Free memory was 87.5MB in the beginning and 152.8MB in the end (delta: -65.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,338 INFO L158 Benchmark]: Boogie Preprocessor took 34.89ms. Allocated memory is still 186.6MB. Free memory was 152.8MB in the beginning and 151.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:45,338 INFO L158 Benchmark]: RCFGBuilder took 485.30ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 139.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,339 INFO L158 Benchmark]: TraceAbstraction took 837.52ms. Allocated memory is still 186.6MB. Free memory was 138.1MB in the beginning and 96.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-25 17:06:45,339 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 186.6MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:45,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1750.55ms. Allocated memory is still 186.6MB. Free memory was 150.2MB in the beginning and 87.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.74ms. Allocated memory is still 186.6MB. Free memory was 87.5MB in the beginning and 152.8MB in the end (delta: -65.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.89ms. Allocated memory is still 186.6MB. Free memory was 152.8MB in the beginning and 151.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.30ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 139.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 837.52ms. Allocated memory is still 186.6MB. Free memory was 138.1MB in the beginning and 96.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 186.6MB. Free memory was 96.2MB in the beginning and 95.1MB 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741826:1073741831}, argv={1073741826:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 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] [L1568] 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] [L1570] 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:06:45,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- 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 17:06:47,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:06:47,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:06:47,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:06:47,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:06:47,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:06:47,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:06:47,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:06:47,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:06:47,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:06:47,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:06:47,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:06:47,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:06:47,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:06:47,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:06:47,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:06:47,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:06:47,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:06:47,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:06:47,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:06:47,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:06:47,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:06:47,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:06:47,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:06:47,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:06:47,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:06:47,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:06:47,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:06:47,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:06:47,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:06:47,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:06:47,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:06:47,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:06:47,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:06:47,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:06:47,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:06:47,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:06:47,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:06:47,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:06:47,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:06:47,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:06:47,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:06:47,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:06:47,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:06:47,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:06:47,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:06:47,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:06:47,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:06:47,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:06:47,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:06:47,951 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:06:47,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:06:47,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:06:47,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:06:47,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:06:47,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:06:47,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:06:47,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:06:47,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:06:47,954 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:06:47,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:06:47,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:06:47,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:06:47,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:06:47,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:06:47,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:06:47,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:06:47,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:47,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:06:47,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:06:47,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:06:47,957 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:06:47,957 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:06:47,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:06:47,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:06:47,958 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:06:47,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:06:47,959 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:06:47,959 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_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2022-11-25 17:06:48,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:06:48,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:06:48,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:06:48,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:06:48,382 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:06:48,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:51,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:06:51,754 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:06:51,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:51,798 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/c80dabe9a/4c91e0dcc38e4b5ca5ce3a6f080fcee5/FLAG34f44c9c0 [2022-11-25 17:06:51,819 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/data/c80dabe9a/4c91e0dcc38e4b5ca5ce3a6f080fcee5 [2022-11-25 17:06:51,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:06:51,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:06:51,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:51,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:06:51,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:06:51,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:51" (1/1) ... [2022-11-25 17:06:51,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be8f9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:51, skipping insertion in model container [2022-11-25 17:06:51,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:51" (1/1) ... [2022-11-25 17:06:51,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:06:51,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:06:52,390 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:06:52,995 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:06:53,000 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:53,002 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:53,005 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:53,005 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:53,025 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:06:53,031 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:06:53,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:53,046 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:06:53,066 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:06:53,125 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:06:53,149 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:53,150 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:06:53,152 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:53,153 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:06:53,156 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:06:53,158 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:06:53,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:06:53,337 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:06:53,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53 WrapperNode [2022-11-25 17:06:53,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:06:53,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:53,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:06:53,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:06:53,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,421 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-25 17:06:53,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:06:53,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:06:53,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:06:53,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:06:53,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:06:53,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:06:53,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:06:53,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:06:53,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (1/1) ... [2022-11-25 17:06:53,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:53,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:06:53,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:06:53,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:06:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:06:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:06:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:06:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:06:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:06:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:06:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 17:06:53,702 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:06:53,704 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:06:53,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:06:53,877 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:06:53,877 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:06:53,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:53 BoogieIcfgContainer [2022-11-25 17:06:53,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:06:53,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:06:53,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:06:53,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:06:53,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:06:51" (1/3) ... [2022-11-25 17:06:53,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7bd50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:53, skipping insertion in model container [2022-11-25 17:06:53,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:53" (2/3) ... [2022-11-25 17:06:53,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7bd50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:06:53, skipping insertion in model container [2022-11-25 17:06:53,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:53" (3/3) ... [2022-11-25 17:06:53,912 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-25 17:06:53,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:06:53,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:06:54,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:06:54,006 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;@59fb95ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:06:54,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:06:54,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:06:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:06:54,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:54,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:54,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:54,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:54,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2022-11-25 17:06:54,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:06:54,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320023688] [2022-11-25 17:06:54,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:54,038 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 17:06:54,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:06:54,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:54,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:06:54,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:06:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:54,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:06:54,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:06:54,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320023688] [2022-11-25 17:06:54,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320023688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:54,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:54,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:06:54,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525911668] [2022-11-25 17:06:54,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:54,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:54,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:06:54,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:54,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:54,350 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:54,397 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-11-25 17:06:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:54,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:06:54,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:54,405 INFO L225 Difference]: With dead ends: 42 [2022-11-25 17:06:54,405 INFO L226 Difference]: Without dead ends: 18 [2022-11-25 17:06:54,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:54,411 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:54,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-25 17:06:54,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 17:06:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:06:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-25 17:06:54,445 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-11-25 17:06:54,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:54,447 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-25 17:06:54,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-25 17:06:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:06:54,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:54,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:54,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:54,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2022-11-25 17:06:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:06:54,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182929425] [2022-11-25 17:06:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:54,665 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 17:06:54,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:06:54,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:54,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:06:54,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:06:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:06:54,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:06:54,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:06:54,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182929425] [2022-11-25 17:06:54,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182929425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:54,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:54,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:06:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175136871] [2022-11-25 17:06:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:54,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:06:54,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:06:54,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:06:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:06:54,813 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:54,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:54,836 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-11-25 17:06:54,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:06:54,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 17:06:54,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:54,838 INFO L225 Difference]: With dead ends: 18 [2022-11-25 17:06:54,838 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:06:54,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 17:06:54,840 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 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 17:06:54,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:06:54,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:06:54,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:06:54,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:06:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-25 17:06:54,845 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2022-11-25 17:06:54,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:54,846 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 17:06:54,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:06:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-25 17:06:54,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 17:06:54,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:54,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:54,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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)] Ended with exit code 0 [2022-11-25 17:06:55,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:55,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:06:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:55,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2022-11-25 17:06:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:06:55,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744770336] [2022-11-25 17:06:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:55,074 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 17:06:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:06:55,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:55,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:06:55,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:06:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:06:55,248 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:06:55,249 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:06:55,250 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:06:55,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:06:55,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:55,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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 17:06:55,455 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:06:55,459 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:06:55,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:06:55 BoogieIcfgContainer [2022-11-25 17:06:55,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:06:55,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:06:55,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:06:55,495 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:06:55,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:53" (3/4) ... [2022-11-25 17:06:55,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:06:55,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:06:55,499 INFO L158 Benchmark]: Toolchain (without parser) took 3674.69ms. Allocated memory was 65.0MB in the beginning and 113.2MB in the end (delta: 48.2MB). Free memory was 32.9MB in the beginning and 75.8MB in the end (delta: -42.9MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-11-25 17:06:55,500 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:55,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1508.87ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 32.6MB in the beginning and 62.0MB in the end (delta: -29.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-25 17:06:55,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.67ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:06:55,501 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:06:55,502 INFO L158 Benchmark]: RCFGBuilder took 419.00ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 42.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:06:55,502 INFO L158 Benchmark]: TraceAbstraction took 1607.45ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 75.8MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:55,503 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:06:55,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1508.87ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 32.6MB in the beginning and 62.0MB in the end (delta: -29.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.67ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 59.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.00ms. Allocated memory is still 94.4MB. Free memory was 56.8MB in the beginning and 42.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1607.45ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 75.8MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 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] [L1568] 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] [L1570] 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:06:55,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb3f1be-dfc8-457c-a7a7-d767f5d1c669/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