./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8 --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 9a3dfbd708620400cd3a88112d74b09c01d512b0e36bcb33c88c8d1c613eb1b7 --- 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-2329fc7 [2022-12-13 21:04:45,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:04:45,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:04:45,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:04:45,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:04:45,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:04:45,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:04:45,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:04:45,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:04:45,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:04:45,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:04:45,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:04:45,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:04:45,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:04:45,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:04:45,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:04:45,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:04:45,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:04:45,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:04:45,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:04:45,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:04:45,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:04:45,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:04:45,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:04:45,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:04:45,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:04:45,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:04:45,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:04:45,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:04:45,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:04:45,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:04:45,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:04:45,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:04:45,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:04:45,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:04:45,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:04:45,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:04:45,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:04:45,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:04:45,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:04:45,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:04:45,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:04:45,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:04:45,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:04:45,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:04:45,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:04:45,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:04:45,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:04:45,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:04:45,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:04:45,141 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:04:45,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:04:45,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:04:45,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:04:45,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:04:45,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:04:45,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:04:45,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:04:45,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:04:45,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:04:45,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:04:45,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:04:45,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:04:45,145 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:04:45,145 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_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3dfbd708620400cd3a88112d74b09c01d512b0e36bcb33c88c8d1c613eb1b7 [2022-12-13 21:04:45,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:04:45,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:04:45,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:04:45,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:04:45,326 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:04:45,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_good.i [2022-12-13 21:04:47,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:04:48,142 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:04:48,143 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_42_good.i [2022-12-13 21:04:48,160 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/data/ed2d74eeb/bbb95346274f454c9d76170f742163d7/FLAGe5f9132ab [2022-12-13 21:04:48,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/data/ed2d74eeb/bbb95346274f454c9d76170f742163d7 [2022-12-13 21:04:48,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:04:48,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:04:48,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:04:48,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:04:48,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:04:48,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310329d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48, skipping insertion in model container [2022-12-13 21:04:48,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:04:48,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:04:48,457 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:04:48,734 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:04:48,739 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:04:48,740 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:04:48,742 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:04:48,743 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:04:48,764 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:04:48,769 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:04:48,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:04:48,778 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:04:48,792 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:04:48,823 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:04:48,825 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:04:48,826 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:04:48,827 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:04:48,828 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:04:48,831 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:04:48,833 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:04:48,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:04:48,921 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:04:48,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48 WrapperNode [2022-12-13 21:04:48,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:04:48,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:04:48,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:04:48,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:04:48,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,959 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 75 [2022-12-13 21:04:48,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:04:48,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:04:48,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:04:48,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:04:48,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:04:48,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:04:48,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:04:48,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:04:48,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (1/1) ... [2022-12-13 21:04:48,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:04:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:04:49,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:04:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:04:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 21:04:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:04:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:04:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:04:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:04:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:04:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:04:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:04:49,166 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:04:49,168 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:04:49,283 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:04:49,288 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:04:49,288 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:04:49,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:49 BoogieIcfgContainer [2022-12-13 21:04:49,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:04:49,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:04:49,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:04:49,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:04:49,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:04:48" (1/3) ... [2022-12-13 21:04:49,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e03637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:04:49, skipping insertion in model container [2022-12-13 21:04:49,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:04:48" (2/3) ... [2022-12-13 21:04:49,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e03637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:04:49, skipping insertion in model container [2022-12-13 21:04:49,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:49" (3/3) ... [2022-12-13 21:04:49,296 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_42_good.i [2022-12-13 21:04:49,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:04:49,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 21:04:49,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:04:49,348 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;@62ba5a42, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:04:49,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 21:04:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 21:04:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:04:49,357 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:04:49,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:49,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 21:04:49,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:49,361 INFO L85 PathProgramCache]: Analyzing trace with hash 30902220, now seen corresponding path program 1 times [2022-12-13 21:04:49,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:49,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166224738] [2022-12-13 21:04:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:49,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:04:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:04:49,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:49,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166224738] [2022-12-13 21:04:49,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166224738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:49,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:49,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:04:49,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669828107] [2022-12-13 21:04:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:49,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:04:49,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:49,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:04:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:04:49,666 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:04:49,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:04:49,730 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-13 21:04:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:04:49,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 21:04:49,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:04:49,743 INFO L225 Difference]: With dead ends: 36 [2022-12-13 21:04:49,743 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 21:04:49,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:04:49,747 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 54 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:04:49,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 82 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:04:49,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 21:04:49,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-13 21:04:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 22 states have internal predecessors, (23), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 21:04:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-12-13 21:04:49,773 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2022-12-13 21:04:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:04:49,774 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-12-13 21:04:49,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:04:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-12-13 21:04:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 21:04:49,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:04:49,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:49,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:04:49,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 21:04:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash 957968881, now seen corresponding path program 1 times [2022-12-13 21:04:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:49,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880280962] [2022-12-13 21:04:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:04:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:04:49,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:49,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880280962] [2022-12-13 21:04:49,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880280962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:49,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:49,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:04:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57991754] [2022-12-13 21:04:49,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:49,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:04:49,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:49,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:04:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:04:49,823 INFO L87 Difference]: Start difference. First operand 27 states and 31 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) [2022-12-13 21:04:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:04:49,835 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-13 21:04:49,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:04:49,836 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 [2022-12-13 21:04:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:04:49,837 INFO L225 Difference]: With dead ends: 33 [2022-12-13 21:04:49,837 INFO L226 Difference]: Without dead ends: 32 [2022-12-13 21:04:49,837 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 [2022-12-13 21:04:49,838 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:04:49,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 47 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:04:49,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-13 21:04:49,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2022-12-13 21:04:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 21:04:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-12-13 21:04:49,844 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 14 [2022-12-13 21:04:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:04:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-12-13 21:04:49,844 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) [2022-12-13 21:04:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-12-13 21:04:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 21:04:49,845 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:04:49,845 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:04:49,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:04:49,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 21:04:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:04:49,846 INFO L85 PathProgramCache]: Analyzing trace with hash 604272744, now seen corresponding path program 1 times [2022-12-13 21:04:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:04:49,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405548049] [2022-12-13 21:04:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:04:49,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:04:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:04:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:04:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:04:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:04:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:04:49,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405548049] [2022-12-13 21:04:49,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405548049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:04:49,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:04:49,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:04:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389828171] [2022-12-13 21:04:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:04:49,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:04:49,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:04:49,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:04:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:04:49,923 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:04:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:04:49,938 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-12-13 21:04:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:04:49,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-12-13 21:04:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:04:49,939 INFO L225 Difference]: With dead ends: 26 [2022-12-13 21:04:49,939 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:04:49,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:04:49,940 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:04:49,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 76 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:04:49,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:04:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:04:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:04:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:04:49,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-12-13 21:04:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:04:49,941 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:04:49,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:04:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:04:49,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:04:49,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 21:04:49,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 21:04:49,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 21:04:49,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 21:04:49,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:04:49,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:04:50,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 21:04:50,014 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 21:04:50,014 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 21:04:50,014 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 21:04:50,014 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1574) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-12-13 21:04:50,015 INFO L899 garLoopResultBuilder]: For program point L1559(line 1559) no Hoare annotation was computed. [2022-12-13 21:04:50,016 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,016 INFO L899 garLoopResultBuilder]: For program point L1559-1(line 1559) no Hoare annotation was computed. [2022-12-13 21:04:50,016 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 1578 1592) no Hoare annotation was computed. [2022-12-13 21:04:50,016 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,016 INFO L895 garLoopResultBuilder]: At program point goodG2BSource_returnLabel#1(lines 1548 1552) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= |ULTIMATE.start_goodG2BSource_#res#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,016 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:04:50,017 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1598 1605) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,017 INFO L895 garLoopResultBuilder]: At program point goodB2GSource_returnLabel#1(lines 1563 1577) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,017 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,017 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2022-12-13 21:04:50,017 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1597) no Hoare annotation was computed. [2022-12-13 21:04:50,018 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2GSource_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,018 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1553 1562) no Hoare annotation was computed. [2022-12-13 21:04:50,019 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 21:04:50,019 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-12-13 21:04:50,019 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2022-12-13 21:04:50,019 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_goodB2GSource_~data#1| 2147483648))) [2022-12-13 21:04:50,019 INFO L899 garLoopResultBuilder]: For program point L1573-1(lines 1567 1574) no Hoare annotation was computed. [2022-12-13 21:04:50,022 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 21:04:50,025 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:04:50,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:04:50 BoogieIcfgContainer [2022-12-13 21:04:50,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:04:50,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:04:50,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:04:50,038 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:04:50,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:04:49" (3/4) ... [2022-12-13 21:04:50,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:04:50,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 21:04:50,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 21:04:50,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 21:04:50,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 21:04:50,050 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 21:04:50,050 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:04:50,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 <= \result + 2147483648 && 0 <= data + 2147483648) && 0 <= data + 2147483648 [2022-12-13 21:04:50,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 <= \result + 2147483648 && data <= 2147483646) && 0 <= data + 2147483648) && 0 <= data + 2147483648 [2022-12-13 21:04:50,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 <= \result + 2147483648 && 0 <= data + 2147483648) && \result == 2) && 0 <= data + 2147483648 [2022-12-13 21:04:50,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:04:50,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:04:50,082 INFO L158 Benchmark]: Toolchain (without parser) took 1908.12ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 78.7MB in the end (delta: 29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,082 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:04:50,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.02ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 106.8MB in the end (delta: 693.5kB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.73ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 104.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,083 INFO L158 Benchmark]: Boogie Preprocessor took 24.32ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 102.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,083 INFO L158 Benchmark]: RCFGBuilder took 305.64ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,083 INFO L158 Benchmark]: TraceAbstraction took 745.59ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 81.8MB in the end (delta: 6.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,083 INFO L158 Benchmark]: Witness Printer took 44.03ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 78.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:04:50,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.02ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 106.8MB in the end (delta: 693.5kB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.73ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 104.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.32ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 102.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.64ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 88.7MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 745.59ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 81.8MB in the end (delta: 6.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 44.03ms. Allocated memory is still 151.0MB. Free memory was 81.8MB in the beginning and 78.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 88 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 138 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 21 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1598]: Loop Invariant Derived loop invariant: (0 <= \result + 2147483648 && 0 <= data + 2147483648) && 0 <= data + 2147483648 - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: ((0 <= \result + 2147483648 && 0 <= data + 2147483648) && \result == 2) && 0 <= data + 2147483648 - InvariantResult [Line: 1563]: Loop Invariant Derived loop invariant: ((0 <= \result + 2147483648 && data <= 2147483646) && 0 <= data + 2147483648) && 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-12-13 21:04:50,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e717d7d-5256-407f-995b-5ec40ddaf4fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE