./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_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_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/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_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/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_f0d94bed-93f5-408c-a2d8-7bea7f676a08/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 573c35985098bffa89701d5fddf30b17d8b9afe89a9efbd52476e047285bed22 --- 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 18:23:12,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:23:12,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:23:12,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:23:12,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:23:12,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:23:12,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:23:12,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:23:12,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:23:12,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:23:12,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:23:12,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:23:12,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:23:12,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:23:12,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:23:12,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:23:12,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:23:12,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:23:12,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:23:12,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:23:12,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:23:12,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:23:12,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:23:12,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:23:12,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:23:12,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:23:12,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:23:12,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:23:12,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:23:12,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:23:12,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:23:12,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:23:12,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:23:12,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:23:12,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:23:12,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:23:12,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:23:12,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:23:12,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:23:12,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:23:12,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:23:12,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:23:12,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:23:12,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:23:12,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:23:12,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:23:12,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:23:12,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:23:12,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:23:12,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:23:12,330 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:23:12,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:23:12,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:23:12,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:23:12,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:23:12,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:23:12,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:23:12,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:23:12,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:23:12,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:23:12,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:23:12,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:23:12,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:23:12,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:23:12,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:23:12,334 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:23:12,334 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_f0d94bed-93f5-408c-a2d8-7bea7f676a08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c35985098bffa89701d5fddf30b17d8b9afe89a9efbd52476e047285bed22 [2022-12-13 18:23:12,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:23:12,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:23:12,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:23:12,548 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:23:12,548 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:23:12,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_good.i [2022-12-13 18:23:15,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:23:15,374 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:23:15,374 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_44_good.i [2022-12-13 18:23:15,392 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/data/ef12b4170/900ce52c79a0447bbd71781928eef2f1/FLAG23a47231a [2022-12-13 18:23:15,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/data/ef12b4170/900ce52c79a0447bbd71781928eef2f1 [2022-12-13 18:23:15,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:23:15,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:23:15,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:15,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:23:15,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:23:15,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:15" (1/1) ... [2022-12-13 18:23:15,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fe1bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:15, skipping insertion in model container [2022-12-13 18:23:15,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:23:15" (1/1) ... [2022-12-13 18:23:15,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:23:15,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:23:15,742 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:23:16,029 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:23:16,033 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:16,035 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:16,036 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:16,037 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:16,063 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:23:16,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:16,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:23:16,085 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:23:16,115 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:23:16,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:16,117 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:23:16,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:16,120 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:23:16,125 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:23:16,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:23:16,207 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:23:16,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16 WrapperNode [2022-12-13 18:23:16,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:23:16,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:16,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:23:16,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:23:16,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,254 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-12-13 18:23:16,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:23:16,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:23:16,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:23:16,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:23:16,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:23:16,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:23:16,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:23:16,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:23:16,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (1/1) ... [2022-12-13 18:23:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:23:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:23:16,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:23:16,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:23:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:23:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:23:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-13 18:23:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:23:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:23:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:23:16,456 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:23:16,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:23:16,588 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:23:16,592 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:23:16,592 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:23:16,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:16 BoogieIcfgContainer [2022-12-13 18:23:16,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:23:16,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:23:16,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:23:16,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:23:16,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:23:15" (1/3) ... [2022-12-13 18:23:16,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4085a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:23:16, skipping insertion in model container [2022-12-13 18:23:16,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:23:16" (2/3) ... [2022-12-13 18:23:16,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4085a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:23:16, skipping insertion in model container [2022-12-13 18:23:16,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:16" (3/3) ... [2022-12-13 18:23:16,599 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_44_good.i [2022-12-13 18:23:16,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:23:16,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 18:23:16,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:23:16,651 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;@20086032, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:23:16,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 18:23:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 35 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 18:23:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:23:16,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:16,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:16,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -923272379, now seen corresponding path program 1 times [2022-12-13 18:23:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:16,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916572609] [2022-12-13 18:23:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:16,958 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 18:23:16,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:16,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916572609] [2022-12-13 18:23:16,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916572609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:16,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:16,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:23:16,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742631084] [2022-12-13 18:23:16,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:16,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:23:16,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:16,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:23:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:23:16,990 INFO L87 Difference]: Start difference. First operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 35 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,080 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2022-12-13 18:23:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:23:17,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-13 18:23:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,089 INFO L225 Difference]: With dead ends: 68 [2022-12-13 18:23:17,090 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 18:23:17,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:23:17,096 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 54 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:17,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 225 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 18:23:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 45. [2022-12-13 18:23:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.375) internal successors, (44), 38 states have internal predecessors, (44), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:23:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-12-13 18:23:17,135 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 13 [2022-12-13 18:23:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,136 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-12-13 18:23:17,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-12-13 18:23:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:23:17,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:23:17,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1442680987, now seen corresponding path program 1 times [2022-12-13 18:23:17,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179015796] [2022-12-13 18:23:17,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,210 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 18:23:17,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179015796] [2022-12-13 18:23:17,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179015796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:23:17,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253536620] [2022-12-13 18:23:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:23:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:23:17,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:23:17,214 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,230 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2022-12-13 18:23:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:23:17,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:23:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,232 INFO L225 Difference]: With dead ends: 48 [2022-12-13 18:23:17,232 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 18:23:17,232 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 18:23:17,234 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:17,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 74 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 18:23:17,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2022-12-13 18:23:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.3125) internal successors, (42), 37 states have internal predecessors, (42), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:23:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2022-12-13 18:23:17,243 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 14 [2022-12-13 18:23:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,243 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2022-12-13 18:23:17,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-12-13 18:23:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:23:17,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:23:17,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1443327419, now seen corresponding path program 1 times [2022-12-13 18:23:17,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701663025] [2022-12-13 18:23:17,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,298 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 18:23:17,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701663025] [2022-12-13 18:23:17,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701663025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:23:17,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316917414] [2022-12-13 18:23:17,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:23:17,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:23:17,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:23:17,301 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,314 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-12-13 18:23:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:23:17,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:23:17,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,315 INFO L225 Difference]: With dead ends: 47 [2022-12-13 18:23:17,316 INFO L226 Difference]: Without dead ends: 45 [2022-12-13 18:23:17,316 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 18:23:17,317 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 78 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 18:23:17,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 78 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-13 18:23:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2022-12-13 18:23:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 35 states have internal predecessors, (39), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:23:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-12-13 18:23:17,326 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 14 [2022-12-13 18:23:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,326 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-12-13 18:23:17,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-13 18:23:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:23:17,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:23:17,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1773437715, now seen corresponding path program 1 times [2022-12-13 18:23:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016461288] [2022-12-13 18:23:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,371 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 18:23:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016461288] [2022-12-13 18:23:17,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016461288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:23:17,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849723343] [2022-12-13 18:23:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:23:17,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:23:17,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:23:17,374 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,384 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-12-13 18:23:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:23:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 18:23:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,385 INFO L225 Difference]: With dead ends: 45 [2022-12-13 18:23:17,385 INFO L226 Difference]: Without dead ends: 40 [2022-12-13 18:23:17,385 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 18:23:17,387 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:17,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-13 18:23:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2022-12-13 18:23:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 30 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 18:23:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-12-13 18:23:17,392 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 15 [2022-12-13 18:23:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,392 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-12-13 18:23:17,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:23:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-13 18:23:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 18:23:17,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,393 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:23:17,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,393 INFO L85 PathProgramCache]: Analyzing trace with hash -806440505, now seen corresponding path program 1 times [2022-12-13 18:23:17,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691433425] [2022-12-13 18:23:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:23:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:23:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691433425] [2022-12-13 18:23:17,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691433425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:23:17,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57114404] [2022-12-13 18:23:17,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:23:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:23:17,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:23:17,510 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:23:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,522 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-12-13 18:23:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:23:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-12-13 18:23:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,523 INFO L225 Difference]: With dead ends: 48 [2022-12-13 18:23:17,523 INFO L226 Difference]: Without dead ends: 30 [2022-12-13 18:23:17,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:23:17,524 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 9 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:17,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-13 18:23:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-13 18:23:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:23:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-12-13 18:23:17,527 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 23 [2022-12-13 18:23:17,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,527 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-12-13 18:23:17,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:23:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-13 18:23:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 18:23:17,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,528 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:23:17,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash -253293540, now seen corresponding path program 1 times [2022-12-13 18:23:17,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015723392] [2022-12-13 18:23:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:23:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:23:17,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015723392] [2022-12-13 18:23:17,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015723392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:23:17,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821398912] [2022-12-13 18:23:17,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:23:17,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:23:17,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:23:17,618 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:23:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,653 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-12-13 18:23:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:23:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-12-13 18:23:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,654 INFO L225 Difference]: With dead ends: 42 [2022-12-13 18:23:17,654 INFO L226 Difference]: Without dead ends: 30 [2022-12-13 18:23:17,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:23:17,655 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:23:17,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-13 18:23:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-13 18:23:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:23:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-12-13 18:23:17,658 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 23 [2022-12-13 18:23:17,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,659 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-12-13 18:23:17,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:23:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-12-13 18:23:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 18:23:17,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:23:17,659 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 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 18:23:17,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:23:17,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 18:23:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:23:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1098683807, now seen corresponding path program 1 times [2022-12-13 18:23:17,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:23:17,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410425140] [2022-12-13 18:23:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:23:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:23:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:23:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 18:23:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 18:23:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:23:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:23:17,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:23:17,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410425140] [2022-12-13 18:23:17,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410425140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:23:17,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:23:17,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:23:17,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306142925] [2022-12-13 18:23:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:23:17,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:23:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:23:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:23:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:23:17,764 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:23:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:23:17,774 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-12-13 18:23:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:23:17,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-12-13 18:23:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:23:17,775 INFO L225 Difference]: With dead ends: 30 [2022-12-13 18:23:17,775 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:23:17,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:23:17,776 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 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 18:23:17,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:23:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:23:17,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:23:17,776 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 18:23:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:23:17,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-12-13 18:23:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:23:17,777 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:23:17,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:23:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:23:17,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:23:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 18:23:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 18:23:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 18:23:17,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 18:23:17,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:23:17,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:23:17,852 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:23:17,852 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:23:17,852 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:23:17,852 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:23:17,852 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:23:17,852 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:23:17,852 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point L1584-2(line 1584) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1592 1599) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-12-13 18:23:17,853 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-12-13 18:23:17,854 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-12-13 18:23:17,854 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-12-13 18:23:17,854 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-12-13 18:23:17,854 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1591) no Hoare annotation was computed. [2022-12-13 18:23:17,854 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~goodB2GSink.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~goodB2GSink.offset|) (<= |#funAddr~goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |#funAddr~goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-12-13 18:23:17,854 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1579 1586) no Hoare annotation was computed. [2022-12-13 18:23:17,854 INFO L895 garLoopResultBuilder]: At program point L1553(line 1553) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (and (<= (+ |##fun~int~TO~VOID_goodG2BSink_~data#1| 1) 0) (= |##fun~int~TO~VOID_#~101#1| |##fun~int~TO~VOID_#in~101#1|) (= |##fun~int~TO~VOID_goodG2BSink_~data#1| |##fun~int~TO~VOID_#in~101#1|))) [2022-12-13 18:23:17,854 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1568(lines 1568 1576) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1577) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1578) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1552) no Hoare annotation was computed. [2022-12-13 18:23:17,855 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 18:23:17,856 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-12-13 18:23:17,856 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1570) no Hoare annotation was computed. [2022-12-13 18:23:17,862 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1554) no Hoare annotation was computed. [2022-12-13 18:23:17,862 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1555) no Hoare annotation was computed. [2022-12-13 18:23:17,862 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (and (<= (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1) 0) (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)))) [2022-12-13 18:23:17,862 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (or (not (<= 0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (and (<= (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1) 0) (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= 0 (+ |##fun~int~TO~VOID_goodB2GSink_~data#1| 1073741823)) (<= 0 (+ 2 |##fun~int~TO~VOID_#~101#1|)))) [2022-12-13 18:23:17,865 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:23:17,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:23:17,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:23:17 BoogieIcfgContainer [2022-12-13 18:23:17,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:23:17,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:23:17,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:23:17,875 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:23:17,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:23:16" (3/4) ... [2022-12-13 18:23:17,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:23:17,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:23:17,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:23:17,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-13 18:23:17,885 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 18:23:17,885 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 18:23:17,885 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:23:17,886 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:23:17,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:23:17,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:23:17,909 INFO L158 Benchmark]: Toolchain (without parser) took 2499.93ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 78.3MB in the beginning and 130.3MB in the end (delta: -52.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:23:17,910 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:23:17,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.07ms. Allocated memory is still 121.6MB. Free memory was 78.3MB in the beginning and 66.1MB in the end (delta: 12.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.47ms. Allocated memory is still 121.6MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,910 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 121.6MB. Free memory was 63.0MB in the beginning and 61.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,910 INFO L158 Benchmark]: RCFGBuilder took 310.93ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 46.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,911 INFO L158 Benchmark]: TraceAbstraction took 1279.46ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 45.7MB in the beginning and 134.5MB in the end (delta: -88.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,911 INFO L158 Benchmark]: Witness Printer took 34.30ms. Allocated memory is still 169.9MB. Free memory was 134.5MB in the beginning and 130.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:23:17,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.07ms. Allocated memory is still 121.6MB. Free memory was 78.3MB in the beginning and 66.1MB in the end (delta: 12.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.47ms. Allocated memory is still 121.6MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 121.6MB. Free memory was 63.0MB in the beginning and 61.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.93ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 46.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1279.46ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 45.7MB in the beginning and 134.5MB in the end (delta: -88.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 34.30ms. Allocated memory is still 169.9MB. Free memory was 134.5MB in the beginning and 130.3MB in the end (delta: 4.2MB). 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: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: 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 4 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 710 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 449 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 261 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=1, InterpolantAutomatonStates: 30, 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, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 29 PreInvPairs, 30 NumberOfFragments, 120 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:23:17,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d94bed-93f5-408c-a2d8-7bea7f676a08/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