./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_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_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/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_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/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_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/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 40e8108373487a8822676db66af5e307130225dc1936bb62a6c07811ff85bcbb --- 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 11:08:10,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:08:10,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:08:10,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:08:10,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:08:10,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:08:10,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:08:10,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:08:10,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:08:10,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:08:10,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:08:10,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:08:10,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:08:10,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:08:10,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:08:10,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:08:10,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:08:10,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:08:10,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:08:10,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:08:10,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:08:10,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:08:10,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:08:10,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:08:10,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:08:10,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:08:10,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:08:10,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:08:10,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:08:10,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:08:10,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:08:10,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:08:10,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:08:10,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:08:10,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:08:10,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:08:10,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:08:10,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:08:10,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:08:10,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:08:10,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:08:10,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 11:08:10,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:08:10,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:08:10,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:08:10,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:08:10,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:08:10,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:08:10,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:08:10,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:08:10,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:08:10,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:08:10,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:08:10,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:08:10,208 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:08:10,208 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_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40e8108373487a8822676db66af5e307130225dc1936bb62a6c07811ff85bcbb [2022-12-13 11:08:10,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:08:10,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:08:10,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:08:10,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:08:10,397 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:08:10,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_good.i [2022-12-13 11:08:12,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:08:13,131 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:08:13,132 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_45_good.i [2022-12-13 11:08:13,143 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/data/e4dd0f54a/0f6d05f17c88416faa08d4a80c736fa7/FLAGfd85abce7 [2022-12-13 11:08:13,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/data/e4dd0f54a/0f6d05f17c88416faa08d4a80c736fa7 [2022-12-13 11:08:13,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:08:13,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:08:13,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:08:13,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:08:13,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:08:13,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:08:13" (1/1) ... [2022-12-13 11:08:13,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554e93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:13, skipping insertion in model container [2022-12-13 11:08:13,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:08:13" (1/1) ... [2022-12-13 11:08:13,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:08:13,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:08:13,743 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:08:14,051 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:08:14,056 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:08:14,057 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:08:14,059 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:08:14,059 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:08:14,084 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:08:14,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:08:14,091 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:08:14,104 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:08:14,136 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:08:14,138 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:08:14,138 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:08:14,140 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:08:14,141 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:08:14,145 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:08:14,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:08:14,259 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:08:14,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14 WrapperNode [2022-12-13 11:08:14,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:08:14,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:08:14,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:08:14,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:08:14,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,292 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 61 [2022-12-13 11:08:14,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:08:14,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:08:14,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:08:14,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:08:14,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:08:14,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:08:14,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:08:14,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:08:14,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (1/1) ... [2022-12-13 11:08:14,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:08:14,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:08:14,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:08:14,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:08:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 11:08:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 11:08:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:08:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:08:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:08:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:08:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:08:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:08:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:08:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:08:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:08:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:08:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:08:14,461 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:08:14,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:08:14,564 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:08:14,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:08:14,569 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:08:14,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:14 BoogieIcfgContainer [2022-12-13 11:08:14,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:08:14,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:08:14,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:08:14,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:08:14,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:08:13" (1/3) ... [2022-12-13 11:08:14,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a21f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:08:14, skipping insertion in model container [2022-12-13 11:08:14,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:08:14" (2/3) ... [2022-12-13 11:08:14,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a21f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:08:14, skipping insertion in model container [2022-12-13 11:08:14,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:14" (3/3) ... [2022-12-13 11:08:14,578 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_45_good.i [2022-12-13 11:08:14,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:08:14,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 11:08:14,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:08:14,638 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;@68908b03, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:08:14,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 11:08:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 11:08:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 11:08:14,646 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:08:14,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:14,647 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 11:08:14,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash 521186967, now seen corresponding path program 1 times [2022-12-13 11:08:14,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:14,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70514573] [2022-12-13 11:08:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:08:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:14,881 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 11:08:14,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:14,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70514573] [2022-12-13 11:08:14,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70514573] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:14,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:14,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:08:14,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117172573] [2022-12-13 11:08:14,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:14,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:08:14,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:14,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:08:14,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:08:14,914 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:08:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:14,934 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-12-13 11:08:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:08:14,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-12-13 11:08:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:08:14,941 INFO L225 Difference]: With dead ends: 33 [2022-12-13 11:08:14,941 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 11:08:14,943 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 11:08:14,945 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:08:14,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 47 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:08:14,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 11:08:14,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-13 11:08:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:08:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-12-13 11:08:14,969 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 9 [2022-12-13 11:08:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:08:14,969 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-12-13 11:08:14,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 11:08:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-12-13 11:08:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 11:08:14,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:08:14,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:14,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:08:14,970 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 11:08:14,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1023073159, now seen corresponding path program 1 times [2022-12-13 11:08:14,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:14,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834960411] [2022-12-13 11:08:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:14,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:08:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,040 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 11:08:15,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:15,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834960411] [2022-12-13 11:08:15,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834960411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:15,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:15,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:08:15,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283574427] [2022-12-13 11:08:15,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:15,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:08:15,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:15,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:08:15,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:08:15,043 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:08:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:15,049 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-12-13 11:08:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:08:15,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2022-12-13 11:08:15,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:08:15,050 INFO L225 Difference]: With dead ends: 22 [2022-12-13 11:08:15,050 INFO L226 Difference]: Without dead ends: 21 [2022-12-13 11:08:15,051 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 11:08:15,052 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:08:15,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:08:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-13 11:08:15,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-12-13 11:08:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:08:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-12-13 11:08:15,057 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10 [2022-12-13 11:08:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:08:15,057 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-12-13 11:08:15,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 11:08:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-12-13 11:08:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 11:08:15,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:08:15,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:15,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:08:15,059 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 11:08:15,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1774211325, now seen corresponding path program 1 times [2022-12-13 11:08:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:15,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72137005] [2022-12-13 11:08:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:08:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:08:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,126 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 11:08:15,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:15,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72137005] [2022-12-13 11:08:15,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72137005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:15,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:15,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:08:15,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86581224] [2022-12-13 11:08:15,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:15,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:08:15,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:15,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:08:15,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:08:15,129 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 11:08:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:15,139 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-12-13 11:08:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:08:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 18 [2022-12-13 11:08:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:08:15,140 INFO L225 Difference]: With dead ends: 21 [2022-12-13 11:08:15,140 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 11:08:15,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:08:15,141 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:08:15,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:08:15,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 11:08:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-12-13 11:08:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:08:15,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-12-13 11:08:15,144 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2022-12-13 11:08:15,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:08:15,145 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-12-13 11:08:15,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 11:08:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-12-13 11:08:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 11:08:15,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:08:15,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:08:15,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:08:15,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 11:08:15,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:08:15,146 INFO L85 PathProgramCache]: Analyzing trace with hash -834023713, now seen corresponding path program 1 times [2022-12-13 11:08:15,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:08:15,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431034358] [2022-12-13 11:08:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:08:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:08:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:08:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:08:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:08:15,261 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 11:08:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:08:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431034358] [2022-12-13 11:08:15,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431034358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:08:15,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:08:15,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:08:15,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614220309] [2022-12-13 11:08:15,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:08:15,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:08:15,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:08:15,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:08:15,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:08:15,264 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 11:08:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:08:15,269 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-13 11:08:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:08:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 19 [2022-12-13 11:08:15,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:08:15,270 INFO L225 Difference]: With dead ends: 20 [2022-12-13 11:08:15,270 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:08:15,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:08:15,272 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:08:15,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:08:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:08:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:08:15,273 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 11:08:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:08:15,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-12-13 11:08:15,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:08:15,274 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:08:15,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 11:08:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:08:15,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:08:15,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 11:08:15,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 11:08:15,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 11:08:15,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 11:08:15,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:08:15,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:08:15,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 11:08:15,304 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 11:08:15,304 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 11:08:15,304 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 11:08:15,304 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 11:08:15,304 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 11:08:15,305 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 11:08:15,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-12-13 11:08:15,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:08:15,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 11:08:15,305 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2BSink_~data~0#1|)) [2022-12-13 11:08:15,305 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L902 garLoopResultBuilder]: At program point L1596(line 1596) the Hoare annotation is: true [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1596-1(line 1596) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1566) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1592) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2022-12-13 11:08:15,306 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1587) no Hoare annotation was computed. [2022-12-13 11:08:15,307 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:08:15,307 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1593 1600) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2BSink_~data~0#1|)) [2022-12-13 11:08:15,307 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-12-13 11:08:15,307 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 11:08:15,307 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-12-13 11:08:15,307 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:08:15,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-12-13 11:08:15,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 11:08:15,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:08:15,308 INFO L895 garLoopResultBuilder]: At program point L1556(line 1556) the Hoare annotation is: (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2BSink_~data~0#1|))) (and (<= 0 .cse0) (<= .cse0 0))) [2022-12-13 11:08:15,308 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1551 1558) no Hoare annotation was computed. [2022-12-13 11:08:15,309 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2BSink_~data~0#1|)) [2022-12-13 11:08:15,309 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1567 1579) no Hoare annotation was computed. [2022-12-13 11:08:15,309 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2BSink_~data~0#1|)) [2022-12-13 11:08:15,313 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 11:08:15,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:08:15,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:08:15 BoogieIcfgContainer [2022-12-13 11:08:15,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:08:15,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:08:15,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:08:15,328 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:08:15,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:08:14" (3/4) ... [2022-12-13 11:08:15,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:08:15,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 11:08:15,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 11:08:15,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 11:08:15,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 11:08:15,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:08:15,338 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:08:15,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:08:15,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:08:15,366 INFO L158 Benchmark]: Toolchain (without parser) took 1892.20ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 107.2MB in the beginning and 113.4MB in the end (delta: -6.2MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,366 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:08:15,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.85ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 99.4MB in the end (delta: 7.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.92ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 95.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,367 INFO L158 Benchmark]: Boogie Preprocessor took 16.78ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:08:15,368 INFO L158 Benchmark]: RCFGBuilder took 259.87ms. Allocated memory is still 144.7MB. Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,368 INFO L158 Benchmark]: TraceAbstraction took 754.97ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 80.5MB in the beginning and 116.5MB in the end (delta: -36.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,368 INFO L158 Benchmark]: Witness Printer took 38.13ms. Allocated memory is still 192.9MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:08:15,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.85ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 99.4MB in the end (delta: 7.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.92ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 95.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.78ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.87ms. Allocated memory is still 144.7MB. Free memory was 94.5MB in the beginning and 81.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 754.97ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 80.5MB in the beginning and 116.5MB in the end (delta: -36.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 38.13ms. Allocated memory is still 192.9MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 34 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 0 <= 2 + data RESULT: Ultimate proved your program to be correct! [2022-12-13 11:08:15,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67ff749f-1522-4b84-8aae-c94ddb7ad1b4/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