./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_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_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/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_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/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_bf8f983b-4c3b-4d56-8668-2c2a260e3782/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 e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 --- 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 18:05:47,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:05:47,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:05:47,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:05:47,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:05:47,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:05:47,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:05:47,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:05:47,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:05:47,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:05:47,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:05:47,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:05:47,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:05:47,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:05:47,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:05:47,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:05:47,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:05:47,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:05:47,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:05:47,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:05:47,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:05:47,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:05:47,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:05:47,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:05:47,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:05:47,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:05:47,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:05:47,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:05:47,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:05:47,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:05:47,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:05:47,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:05:47,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:05:47,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:05:47,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:05:47,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:05:47,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:05:47,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:05:47,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:05:47,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:05:47,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:05:47,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:05:47,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:05:47,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:05:47,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:05:47,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:05:47,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:05:47,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:05:47,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:05:47,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:05:47,313 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:05:47,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:05:47,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:05:47,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:05:47,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:05:47,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:05:47,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:05:47,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:05:47,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:05:47,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:05:47,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:05:47,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:05:47,317 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:05:47,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:05:47,317 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:05:47,317 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_bf8f983b-4c3b-4d56-8668-2c2a260e3782/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 [2022-12-13 18:05:47,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:05:47,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:05:47,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:05:47,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:05:47,542 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:05:47,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-12-13 18:05:50,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:05:50,334 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:05:50,334 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-12-13 18:05:50,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/data/f0d9dfeb1/130ed730126445718903dfaea409efa4/FLAGf36ff2c5e [2022-12-13 18:05:50,643 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/data/f0d9dfeb1/130ed730126445718903dfaea409efa4 [2022-12-13 18:05:50,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:05:50,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:05:50,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:05:50,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:05:50,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:05:50,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:50" (1/1) ... [2022-12-13 18:05:50,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef2f4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:50, skipping insertion in model container [2022-12-13 18:05:50,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:50" (1/1) ... [2022-12-13 18:05:50,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:05:50,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:05:50,922 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:05:51,226 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:05:51,230 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:05:51,231 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:05:51,233 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:05:51,234 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:05:51,251 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:05:51,256 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:05:51,263 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:05:51,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:05:51,272 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:05:51,286 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:05:51,329 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:05:51,330 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:05:51,332 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:05:51,333 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:05:51,334 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:05:51,338 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:05:51,347 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:05:51,350 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:05:51,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:05:51,439 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:05:51,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51 WrapperNode [2022-12-13 18:05:51,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:05:51,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:05:51,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:05:51,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:05:51,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,475 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-13 18:05:51,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:05:51,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:05:51,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:05:51,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:05:51,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:05:51,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:05:51,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:05:51,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:05:51,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (1/1) ... [2022-12-13 18:05:51,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:05:51,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:05:51,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:05:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:05:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 18:05:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 18:05:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:05:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:05:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:05:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:05:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:05:51,661 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:05:51,663 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:05:51,820 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:05:51,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:05:51,825 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:05:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:51 BoogieIcfgContainer [2022-12-13 18:05:51,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:05:51,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:05:51,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:05:51,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:05:51,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:05:50" (1/3) ... [2022-12-13 18:05:51,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe089a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:51, skipping insertion in model container [2022-12-13 18:05:51,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:51" (2/3) ... [2022-12-13 18:05:51,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe089a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:51, skipping insertion in model container [2022-12-13 18:05:51,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:51" (3/3) ... [2022-12-13 18:05:51,833 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-12-13 18:05:51,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:05:51,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:05:51,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:05:51,885 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;@64bf2f15, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:05:51,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 18:05:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 18:05:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:05:51,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:51,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:05:51,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash -3411870, now seen corresponding path program 1 times [2022-12-13 18:05:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:51,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115036792] [2022-12-13 18:05:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:51,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,101 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 18:05:52,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115036792] [2022-12-13 18:05:52,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115036792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:05:52,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564291770] [2022-12-13 18:05:52,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,130 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,173 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2022-12-13 18:05:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 18:05:52,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,181 INFO L225 Difference]: With dead ends: 114 [2022-12-13 18:05:52,181 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 18:05:52,183 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 18:05:52,185 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 73 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 71 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 18:05:52,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-13 18:05:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 46 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:05:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-12-13 18:05:52,215 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 12 [2022-12-13 18:05:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,216 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-12-13 18:05:52,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-13 18:05:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 18:05:52,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:05:52,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:05:52,218 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 716579271, now seen corresponding path program 1 times [2022-12-13 18:05:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314678069] [2022-12-13 18:05:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,279 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 18:05:52,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314678069] [2022-12-13 18:05:52,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314678069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836782804] [2022-12-13 18:05:52,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,282 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,313 INFO L93 Difference]: Finished difference Result 123 states and 154 transitions. [2022-12-13 18:05:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 18:05:52,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,314 INFO L225 Difference]: With dead ends: 123 [2022-12-13 18:05:52,314 INFO L226 Difference]: Without dead ends: 85 [2022-12-13 18:05:52,315 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 18:05:52,315 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 33 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 166 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-13 18:05:52,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2022-12-13 18:05:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 47 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:05:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2022-12-13 18:05:52,325 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 14 [2022-12-13 18:05:52,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,325 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2022-12-13 18:05:52,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-13 18:05:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 18:05:52,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:05:52,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:05:52,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash 739120992, now seen corresponding path program 1 times [2022-12-13 18:05:52,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325232656] [2022-12-13 18:05:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,387 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 18:05:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325232656] [2022-12-13 18:05:52,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325232656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424891995] [2022-12-13 18:05:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,389 INFO L87 Difference]: Start difference. First operand 55 states and 70 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,406 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-12-13 18:05:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 18:05:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,408 INFO L225 Difference]: With dead ends: 55 [2022-12-13 18:05:52,413 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 18:05:52,413 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 18:05:52,415 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 80 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 18:05:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 18:05:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 46 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:05:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-12-13 18:05:52,422 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 15 [2022-12-13 18:05:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,422 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-12-13 18:05:52,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:05:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-12-13 18:05:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 18:05:52,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,424 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] [2022-12-13 18:05:52,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:05:52,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1877659523, now seen corresponding path program 1 times [2022-12-13 18:05:52,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523712880] [2022-12-13 18:05:52,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:05:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:05:52,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523712880] [2022-12-13 18:05:52,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523712880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:05:52,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809440892] [2022-12-13 18:05:52,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,493 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:05:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,503 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2022-12-13 18:05:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-12-13 18:05:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,505 INFO L225 Difference]: With dead ends: 89 [2022-12-13 18:05:52,505 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 18:05:52,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,507 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 18:05:52,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 18:05:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-12-13 18:05:52,516 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 24 [2022-12-13 18:05:52,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,516 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-12-13 18:05:52,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:05:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-12-13 18:05:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 18:05:52,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,518 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] [2022-12-13 18:05:52,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:05:52,518 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008232, now seen corresponding path program 1 times [2022-12-13 18:05:52,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051650870] [2022-12-13 18:05:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:05:52,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051650870] [2022-12-13 18:05:52,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051650870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257547273] [2022-12-13 18:05:52,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,566 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:05:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,586 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-12-13 18:05:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-13 18:05:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,587 INFO L225 Difference]: With dead ends: 78 [2022-12-13 18:05:52,587 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 18:05:52,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,588 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 105 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 18:05:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 18:05:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 45 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2022-12-13 18:05:52,594 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 25 [2022-12-13 18:05:52,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,594 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2022-12-13 18:05:52,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:05:52,594 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-12-13 18:05:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 18:05:52,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,595 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] [2022-12-13 18:05:52,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:05:52,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1834484019, now seen corresponding path program 1 times [2022-12-13 18:05:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103151059] [2022-12-13 18:05:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:05:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103151059] [2022-12-13 18:05:52,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103151059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050698370] [2022-12-13 18:05:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,671 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:05:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,683 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2022-12-13 18:05:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-13 18:05:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,685 INFO L225 Difference]: With dead ends: 54 [2022-12-13 18:05:52,685 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 18:05:52,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,686 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 18:05:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-13 18:05:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.205128205128205) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-12-13 18:05:52,693 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 26 [2022-12-13 18:05:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,694 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-12-13 18:05:52,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:05:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-12-13 18:05:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 18:05:52,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,695 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 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 18:05:52,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:05:52,696 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1863024089, now seen corresponding path program 1 times [2022-12-13 18:05:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761915730] [2022-12-13 18:05:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:05:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:05:52,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761915730] [2022-12-13 18:05:52,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761915730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452095381] [2022-12-13 18:05:52,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,763 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:05:52,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,773 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-12-13 18:05:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-12-13 18:05:52,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,775 INFO L225 Difference]: With dead ends: 53 [2022-12-13 18:05:52,775 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 18:05:52,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 18:05:52,776 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 18:05:52,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 18:05:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-12-13 18:05:52,783 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 33 [2022-12-13 18:05:52,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,784 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-12-13 18:05:52,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:05:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-12-13 18:05:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 18:05:52,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,785 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 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 18:05:52,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:05:52,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1919171787, now seen corresponding path program 1 times [2022-12-13 18:05:52,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595246092] [2022-12-13 18:05:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:05:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:05:52,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595246092] [2022-12-13 18:05:52,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595246092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732564430] [2022-12-13 18:05:52,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,857 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:05:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,866 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-12-13 18:05:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-12-13 18:05:52,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,868 INFO L225 Difference]: With dead ends: 52 [2022-12-13 18:05:52,868 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 18:05:52,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 18:05:52,869 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 96 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 18:05:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 18:05:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-12-13 18:05:52,876 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 34 [2022-12-13 18:05:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,877 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-12-13 18:05:52,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 18:05:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-12-13 18:05:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 18:05:52,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:05:52,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:05:52,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash -284591334, now seen corresponding path program 1 times [2022-12-13 18:05:52,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68656671] [2022-12-13 18:05:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:05:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:05:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:05:52,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:52,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68656671] [2022-12-13 18:05:52,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68656671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:52,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:52,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833914292] [2022-12-13 18:05:52,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:52,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:52,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:52,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:52,946 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:05:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:52,954 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-12-13 18:05:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:52,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-12-13 18:05:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:52,955 INFO L225 Difference]: With dead ends: 51 [2022-12-13 18:05:52,955 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 18:05:52,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 18:05:52,956 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:52,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:52,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 18:05:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-13 18:05:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:05:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-12-13 18:05:52,963 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 42 [2022-12-13 18:05:52,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:52,963 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-12-13 18:05:52,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:05:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-12-13 18:05:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 18:05:52,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:05:52,965 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:05:52,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:05:52,965 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:05:52,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:05:52,965 INFO L85 PathProgramCache]: Analyzing trace with hash -232396620, now seen corresponding path program 1 times [2022-12-13 18:05:52,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:05:52,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425962144] [2022-12-13 18:05:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:05:52,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:05:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:05:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:05:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:05:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 18:05:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:05:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:05:53,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:05:53,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425962144] [2022-12-13 18:05:53,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425962144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:05:53,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:05:53,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:05:53,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996565158] [2022-12-13 18:05:53,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:05:53,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:05:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:05:53,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:05:53,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:05:53,032 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:05:53,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:05:53,038 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-12-13 18:05:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:05:53,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-12-13 18:05:53,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:05:53,039 INFO L225 Difference]: With dead ends: 50 [2022-12-13 18:05:53,039 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:05:53,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 18:05:53,040 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:05:53,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:05:53,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:05:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:05:53,041 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 18:05:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:05:53,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-13 18:05:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:05:53,042 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:05:53,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 18:05:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:05:53,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:05:53,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 18:05:53,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 18:05:53,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:05:53,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:05:53,116 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 18:05:53,116 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point L1654(lines 1654 1660) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1615) no Hoare annotation was computed. [2022-12-13 18:05:53,117 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1548 1583) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1661 1668) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1581) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 18:05:53,118 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L895 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0)) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1631-1(line 1631) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:05:53,119 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1636) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1644) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1641-2(lines 1638 1653) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L895 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-12-13 18:05:53,120 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed. [2022-12-13 18:05:53,120 INFO L895 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: (= ~GLOBAL_CONST_TRUE~0 1) [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1615) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 18:05:53,121 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1583) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2022-12-13 18:05:53,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0))) [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1636) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1653) no Hoare annotation was computed. [2022-12-13 18:05:53,122 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1613) no Hoare annotation was computed. [2022-12-13 18:05:53,126 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:05:53,128 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:05:53,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:05:53 BoogieIcfgContainer [2022-12-13 18:05:53,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:05:53,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:05:53,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:05:53,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:05:53,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:51" (3/4) ... [2022-12-13 18:05:53,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:05:53,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 18:05:53,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 18:05:53,155 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 18:05:53,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 18:05:53,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:05:53,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:05:53,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:05:53,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:05:53,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:05:53,196 INFO L158 Benchmark]: Toolchain (without parser) took 2549.85ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 84.6MB in the beginning and 61.0MB in the end (delta: 23.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,197 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:05:53,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.65ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 84.3MB in the beginning and 85.0MB in the end (delta: -745.8kB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.82ms. Allocated memory is still 148.9MB. Free memory was 85.0MB in the beginning and 81.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,197 INFO L158 Benchmark]: Boogie Preprocessor took 17.59ms. Allocated memory is still 148.9MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,198 INFO L158 Benchmark]: RCFGBuilder took 333.60ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 105.7MB in the end (delta: -26.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,198 INFO L158 Benchmark]: TraceAbstraction took 1312.29ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 65.2MB in the end (delta: 39.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,198 INFO L158 Benchmark]: Witness Printer took 54.59ms. Allocated memory is still 148.9MB. Free memory was 65.2MB in the beginning and 61.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:05:53,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.65ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 84.3MB in the beginning and 85.0MB in the end (delta: -745.8kB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.82ms. Allocated memory is still 148.9MB. Free memory was 85.0MB in the beginning and 81.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.59ms. Allocated memory is still 148.9MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.60ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 105.7MB in the end (delta: -26.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.29ms. Allocated memory is still 148.9MB. Free memory was 104.7MB in the beginning and 65.2MB in the end (delta: 39.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 54.59ms. Allocated memory is still 148.9MB. Free memory was 65.2MB in the beginning and 61.0MB 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 963 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 613 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 47 PreInvPairs, 56 NumberOfFragments, 119 HoareAnnotationTreeSize, 47 FomulaSimplifications, 44 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 60/60 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 8 specifications checked. All of them hold - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: GLOBAL_CONST_TRUE == 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:05:53,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8f983b-4c3b-4d56-8668-2c2a260e3782/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