./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_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_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/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_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/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_678cfd55-e20d-4b02-aa6a-5089233baaea/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 134d735ee211da193a1241a1a820b04887a656ca72e43ff009533ce385bfaf2f --- 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 13:52:48,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:52:48,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:52:48,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:52:48,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:52:48,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:52:48,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:52:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:52:48,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:52:48,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:52:48,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:52:48,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:52:48,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:52:48,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:52:48,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:52:48,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:52:48,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:52:48,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:52:48,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:52:48,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:52:48,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:52:48,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:52:48,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:52:48,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:52:48,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:52:48,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:52:48,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:52:48,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:52:48,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:52:48,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:52:48,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:52:48,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:52:48,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:52:48,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:52:48,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:52:48,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:52:48,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:52:48,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:52:48,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:52:48,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:52:48,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:52:48,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:52:48,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:52:48,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:52:48,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:52:48,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:52:48,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:52:48,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:52:48,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:52:48,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:52:48,253 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:52:48,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:52:48,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:52:48,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:52:48,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:52:48,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:52:48,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:52:48,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:52:48,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:52:48,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:52:48,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:48,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:52:48,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:52:48,257 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:52:48,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:52:48,257 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:52:48,257 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_678cfd55-e20d-4b02-aa6a-5089233baaea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134d735ee211da193a1241a1a820b04887a656ca72e43ff009533ce385bfaf2f [2022-12-13 13:52:48,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:52:48,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:52:48,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:52:48,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:52:48,487 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:52:48,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_good.i [2022-12-13 13:52:51,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:52:51,314 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:52:51,314 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_52_good.i [2022-12-13 13:52:51,333 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/data/7c8054338/340a8fde438047d8888f21fe146826de/FLAG9b5af0907 [2022-12-13 13:52:51,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/data/7c8054338/340a8fde438047d8888f21fe146826de [2022-12-13 13:52:51,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:52:51,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:52:51,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:51,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:52:51,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:52:51,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:51" (1/1) ... [2022-12-13 13:52:51,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780ba7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:51, skipping insertion in model container [2022-12-13 13:52:51,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:51" (1/1) ... [2022-12-13 13:52:51,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:52:51,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:52:51,690 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:52,001 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:52,005 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:52,007 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:52,009 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:52,010 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:52,028 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:52,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:52,041 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:52:52,060 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:52,105 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:52,107 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:52,107 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:52,109 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:52,109 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:52,113 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:52,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:52,217 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:52:52,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52 WrapperNode [2022-12-13 13:52:52,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:52,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:52,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:52:52,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:52:52,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,255 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 62 [2022-12-13 13:52:52,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:52,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:52:52,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:52:52,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:52:52,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,272 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:52:52,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:52:52,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:52:52,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:52:52,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (1/1) ... [2022-12-13 13:52:52,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:52,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:52:52,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:52:52,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:52:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 13:52:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 13:52:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:52:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:52:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:52:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:52:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:52:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:52:52,448 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:52:52,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:52:52,566 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:52:52,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:52:52,571 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:52:52,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:52 BoogieIcfgContainer [2022-12-13 13:52:52,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:52:52,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:52:52,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:52:52,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:52:52,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:52:51" (1/3) ... [2022-12-13 13:52:52,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ef33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:52, skipping insertion in model container [2022-12-13 13:52:52,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:52" (2/3) ... [2022-12-13 13:52:52,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ef33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:52, skipping insertion in model container [2022-12-13 13:52:52,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:52" (3/3) ... [2022-12-13 13:52:52,582 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_52_good.i [2022-12-13 13:52:52,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:52:52,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 13:52:52,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:52:52,640 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;@631cc110, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:52:52,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 13:52:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 25 states have (on average 1.32) internal successors, (33), 32 states have internal predecessors, (33), 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 13:52:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 13:52:52,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:52,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:52,649 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 13:52:52,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash -650275013, now seen corresponding path program 1 times [2022-12-13 13:52:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:52,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812790361] [2022-12-13 13:52:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:52:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:52,907 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 13:52:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:52,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812790361] [2022-12-13 13:52:52,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812790361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:52,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:52,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641511906] [2022-12-13 13:52:52,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:52,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:52,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:52,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:52,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:52,943 INFO L87 Difference]: Start difference. First operand has 37 states, 25 states have (on average 1.32) internal successors, (33), 32 states have internal predecessors, (33), 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 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 13:52:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:52,964 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-12-13 13:52:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:52,966 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 13:52:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:52,971 INFO L225 Difference]: With dead ends: 37 [2022-12-13 13:52:52,971 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 13:52:52,973 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 13:52:52,975 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 22 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:52,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 51 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 13:52:52,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 13:52:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 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 13:52:52,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-12-13 13:52:53,000 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10 [2022-12-13 13:52:53,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:53,000 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-12-13 13:52:53,001 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 13:52:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-12-13 13:52:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:52:53,001 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:53,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:53,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:52:53,002 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 13:52:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1316311128, now seen corresponding path program 1 times [2022-12-13 13:52:53,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:53,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57468267] [2022-12-13 13:52:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:53,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:52:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,052 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 13:52:53,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:53,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57468267] [2022-12-13 13:52:53,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57468267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:53,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:53,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102264459] [2022-12-13 13:52:53,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:53,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:53,056 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:53,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:53,068 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-12-13 13:52:53,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:53,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 13:52:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:53,069 INFO L225 Difference]: With dead ends: 34 [2022-12-13 13:52:53,069 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 13:52:53,070 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 13:52:53,071 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:53,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 13:52:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-13 13:52:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 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 13:52:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 13:52:53,076 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 11 [2022-12-13 13:52:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:53,076 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 13:52:53,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 13:52:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 13:52:53,077 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:53,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:53,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:52:53,077 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 13:52:53,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:53,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1975919201, now seen corresponding path program 1 times [2022-12-13 13:52:53,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:53,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642203852] [2022-12-13 13:52:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:53,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:52:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:52:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,147 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 13:52:53,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:53,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642203852] [2022-12-13 13:52:53,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642203852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:53,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:53,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:53,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400754031] [2022-12-13 13:52:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:53,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:53,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:53,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:53,149 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 13:52:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:53,159 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-13 13:52:53,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:53,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 21 [2022-12-13 13:52:53,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:53,161 INFO L225 Difference]: With dead ends: 24 [2022-12-13 13:52:53,161 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 13:52:53,161 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 13:52:53,162 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:53,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:53,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 13:52:53,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 13:52:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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 13:52:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-12-13 13:52:53,167 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2022-12-13 13:52:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:53,168 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-12-13 13:52:53,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 13:52:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-12-13 13:52:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 13:52:53,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:53,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:53,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:52:53,169 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 13:52:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1123953017, now seen corresponding path program 1 times [2022-12-13 13:52:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:53,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976524272] [2022-12-13 13:52:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:53,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:52:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 13:52:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:53,232 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 13:52:53,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:53,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976524272] [2022-12-13 13:52:53,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976524272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:53,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:53,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:53,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41095009] [2022-12-13 13:52:53,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:53,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:53,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:53,234 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 13:52:53,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:53,243 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-12-13 13:52:53,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:53,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 22 [2022-12-13 13:52:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:53,244 INFO L225 Difference]: With dead ends: 23 [2022-12-13 13:52:53,244 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 13:52:53,244 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 13:52:53,245 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 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 13:52:53,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 13:52:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 13:52:53,246 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 13:52:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 13:52:53,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-12-13 13:52:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:53,246 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 13:52:53,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 13:52:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 13:52:53,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 13:52:53,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 13:52:53,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 13:52:53,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 13:52:53,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 13:52:53,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:52:53,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 13:52:53,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 13:52:53,272 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 13:52:53,272 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 13:52:53,272 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 13:52:53,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 13:52:53,272 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 13:52:53,272 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 1) 0) (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 2))) [2022-12-13 13:52:53,273 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1569 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 2)) [2022-12-13 13:52:53,273 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L1601(line 1601) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1608) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 13:52:53,273 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1593) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 2)) [2022-12-13 13:52:53,274 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 2)) [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_multiply_52c_goodG2BSink_~data#1| 2)) [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1607) no Hoare annotation was computed. [2022-12-13 13:52:53,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-12-13 13:52:53,275 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1609) no Hoare annotation was computed. [2022-12-13 13:52:53,275 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 13:52:53,275 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-12-13 13:52:53,275 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1594) no Hoare annotation was computed. [2022-12-13 13:52:53,275 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1586) no Hoare annotation was computed. [2022-12-13 13:52:53,277 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 13:52:53,279 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:52:53,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:52:53 BoogieIcfgContainer [2022-12-13 13:52:53,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:52:53,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:52:53,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:52:53,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:52:53,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:52" (3/4) ... [2022-12-13 13:52:53,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:52:53,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 13:52:53,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 13:52:53,299 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 13:52:53,299 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 13:52:53,300 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:52:53,300 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:52:53,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:52:53,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:52:53,328 INFO L158 Benchmark]: Toolchain (without parser) took 1981.95ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 81.3MB in the end (delta: -709.6kB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,328 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory was 94.6MB in the beginning and 94.4MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:53,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.08ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 107.9MB in the end (delta: -27.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 104.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,329 INFO L158 Benchmark]: Boogie Preprocessor took 18.76ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,329 INFO L158 Benchmark]: RCFGBuilder took 297.87ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 89.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,329 INFO L158 Benchmark]: TraceAbstraction took 712.86ms. Allocated memory is still 172.0MB. Free memory was 89.0MB in the beginning and 84.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,330 INFO L158 Benchmark]: Witness Printer took 38.45ms. Allocated memory is still 172.0MB. Free memory was 84.5MB in the beginning and 81.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:53,331 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 119.5MB. Free memory was 94.6MB in the beginning and 94.4MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.08ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 107.9MB in the end (delta: -27.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 104.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.76ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.87ms. Allocated memory is still 172.0MB. Free memory was 102.8MB in the beginning and 89.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 712.86ms. Allocated memory is still 172.0MB. Free memory was 89.0MB in the beginning and 84.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 38.45ms. Allocated memory is still 172.0MB. Free memory was 84.5MB in the beginning and 81.3MB 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: 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, 37 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, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 99 mSDtfsCounter, 15 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=37occurred 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, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 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: 1569]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-12-13 13:52:53,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_678cfd55-e20d-4b02-aa6a-5089233baaea/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