./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 45255541e9f2c10081b59968edd0c3675976e2c471232f38322816c7085d6fae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:41:30,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:41:30,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 04:41:30,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:41:30,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:41:30,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:41:30,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:41:30,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:41:30,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:41:30,901 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:41:30,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:41:30,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:41:30,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:41:30,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:41:30,904 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:41:30,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:41:30,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:41:30,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:41:30,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:41:30,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:41:30,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:41:30,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:41:30,908 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:41:30,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:41:30,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:41:30,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:41:30,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:41:30,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:41:30,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:41:30,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:41:30,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:41:30,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:41:30,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:41:30,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:41:30,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:41:30,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:41:30,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:41:30,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:41:30,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:41:30,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:41:30,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:41:30,921 INFO L153 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_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45255541e9f2c10081b59968edd0c3675976e2c471232f38322816c7085d6fae [2023-11-29 04:41:31,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:41:31,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:41:31,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:41:31,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:41:31,158 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:41:31,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-29 04:41:33,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:41:34,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:41:34,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-29 04:41:34,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/data/7fbcef1ad/e0cc27a44702415a927b5bc9a03b07f3/FLAG5637366f9 [2023-11-29 04:41:34,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/data/7fbcef1ad/e0cc27a44702415a927b5bc9a03b07f3 [2023-11-29 04:41:34,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:41:34,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:41:34,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:34,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:41:34,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:41:34,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:34" (1/1) ... [2023-11-29 04:41:34,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f335476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:34, skipping insertion in model container [2023-11-29 04:41:34,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:34" (1/1) ... [2023-11-29 04:41:34,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:41:35,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:35,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:41:35,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:35,521 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:35,521 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:35,521 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:35,521 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:35,522 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:35,529 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:41:35,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35 WrapperNode [2023-11-29 04:41:35,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:35,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:35,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:41:35,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:41:35,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,598 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2023-11-29 04:41:35,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:35,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:41:35,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:41:35,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:41:35,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,631 INFO L175 MemorySlicer]: Split 7 memory accesses to 5 slices as follows [1, 1, 1, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [1, 1, 1, 0, 0]. The 4 writes are split as follows [0, 0, 0, 2, 2]. [2023-11-29 04:41:35,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:41:35,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:41:35,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:41:35,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:41:35,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (1/1) ... [2023-11-29 04:41:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:41:35,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:35,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:35,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:41:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 04:41:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 04:41:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-29 04:41:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 04:41:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 04:41:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:41:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 04:41:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 04:41:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 04:41:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 04:41:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 04:41:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:41:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:41:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:41:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:41:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 04:41:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:41:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:41:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 04:41:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 04:41:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 04:41:35,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:41:35,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:41:36,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:41:36,131 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:41:36,131 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:41:36,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:36 BoogieIcfgContainer [2023-11-29 04:41:36,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:41:36,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:41:36,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:41:36,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:41:36,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:41:34" (1/3) ... [2023-11-29 04:41:36,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b90291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:41:36, skipping insertion in model container [2023-11-29 04:41:36,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:35" (2/3) ... [2023-11-29 04:41:36,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b90291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:41:36, skipping insertion in model container [2023-11-29 04:41:36,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:36" (3/3) ... [2023-11-29 04:41:36,141 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-29 04:41:36,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:41:36,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 04:41:36,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:41:36,209 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=LoopHeads, 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;@2ef2ccd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:41:36,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 04:41:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 55 states have internal predecessors, (72), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 04:41:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 04:41:36,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:36,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:36,220 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)] === [2023-11-29 04:41:36,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash -995375021, now seen corresponding path program 1 times [2023-11-29 04:41:36,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:36,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852284309] [2023-11-29 04:41:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:36,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:36,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:36,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852284309] [2023-11-29 04:41:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852284309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:36,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:36,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:41:36,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250364412] [2023-11-29 04:41:36,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:36,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:36,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:36,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:36,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:36,500 INFO L87 Difference]: Start difference. First operand has 70 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 55 states have internal predecessors, (72), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 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) [2023-11-29 04:41:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:36,562 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2023-11-29 04:41:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:36,564 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 [2023-11-29 04:41:36,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:36,571 INFO L225 Difference]: With dead ends: 128 [2023-11-29 04:41:36,571 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 04:41:36,574 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 [2023-11-29 04:41:36,577 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:36,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 70 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 04:41:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 04:41:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 49 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2023-11-29 04:41:36,615 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 12 [2023-11-29 04:41:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:36,616 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2023-11-29 04:41:36,617 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) [2023-11-29 04:41:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2023-11-29 04:41:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 04:41:36,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:36,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:36,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:41:36,619 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)] === [2023-11-29 04:41:36,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash -420547506, now seen corresponding path program 1 times [2023-11-29 04:41:36,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:36,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295499085] [2023-11-29 04:41:36,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:36,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:36,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:36,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295499085] [2023-11-29 04:41:36,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295499085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:36,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:36,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:36,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810506876] [2023-11-29 04:41:36,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:36,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:36,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:36,736 INFO L87 Difference]: Start difference. First operand 60 states and 73 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) [2023-11-29 04:41:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:36,772 INFO L93 Difference]: Finished difference Result 108 states and 130 transitions. [2023-11-29 04:41:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:36,773 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 [2023-11-29 04:41:36,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:36,774 INFO L225 Difference]: With dead ends: 108 [2023-11-29 04:41:36,774 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 04:41:36,775 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 [2023-11-29 04:41:36,777 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 10 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:36,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 123 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 04:41:36,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-11-29 04:41:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.326086956521739) internal successors, (61), 52 states have internal predecessors, (61), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2023-11-29 04:41:36,817 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 14 [2023-11-29 04:41:36,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:36,817 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2023-11-29 04:41:36,818 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) [2023-11-29 04:41:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-29 04:41:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 04:41:36,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:36,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:36,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:41:36,820 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)] === [2023-11-29 04:41:36,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash -152070722, now seen corresponding path program 1 times [2023-11-29 04:41:36,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:36,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204207371] [2023-11-29 04:41:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:36,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:36,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204207371] [2023-11-29 04:41:36,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204207371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:36,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:36,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:36,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486396677] [2023-11-29 04:41:36,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:36,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:36,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:36,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:36,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:36,915 INFO L87 Difference]: Start difference. First operand 63 states and 77 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) [2023-11-29 04:41:36,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:36,944 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2023-11-29 04:41:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:36,945 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 [2023-11-29 04:41:36,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:36,946 INFO L225 Difference]: With dead ends: 64 [2023-11-29 04:41:36,946 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 04:41:36,947 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 [2023-11-29 04:41:36,948 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:36,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 122 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 04:41:36,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2023-11-29 04:41:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2023-11-29 04:41:36,961 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 15 [2023-11-29 04:41:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:36,961 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2023-11-29 04:41:36,961 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) [2023-11-29 04:41:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-11-29 04:41:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 04:41:36,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:36,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:36,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:41:36,964 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)] === [2023-11-29 04:41:36,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1480682986, now seen corresponding path program 1 times [2023-11-29 04:41:36,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647859978] [2023-11-29 04:41:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647859978] [2023-11-29 04:41:37,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647859978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713452054] [2023-11-29 04:41:37,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,047 INFO L87 Difference]: Start difference. First operand 62 states and 76 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, (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) [2023-11-29 04:41:37,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,081 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2023-11-29 04:41:37,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,081 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, (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 20 [2023-11-29 04:41:37,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,083 INFO L225 Difference]: With dead ends: 93 [2023-11-29 04:41:37,084 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 04:41:37,084 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 [2023-11-29 04:41:37,086 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 10 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 119 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 04:41:37,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-11-29 04:41:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.28) internal successors, (64), 54 states have internal predecessors, (64), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2023-11-29 04:41:37,098 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 80 transitions. Word has length 20 [2023-11-29 04:41:37,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,099 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 80 transitions. [2023-11-29 04:41:37,099 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, (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) [2023-11-29 04:41:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2023-11-29 04:41:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 04:41:37,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:37,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:41:37,101 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:37,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:37,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1343467575, now seen corresponding path program 1 times [2023-11-29 04:41:37,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:37,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392538020] [2023-11-29 04:41:37,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392538020] [2023-11-29 04:41:37,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392538020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330008042] [2023-11-29 04:41:37,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,172 INFO L87 Difference]: Start difference. First operand 65 states and 80 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, (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) [2023-11-29 04:41:37,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,196 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2023-11-29 04:41:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,196 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, (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 21 [2023-11-29 04:41:37,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,198 INFO L225 Difference]: With dead ends: 66 [2023-11-29 04:41:37,198 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 04:41:37,198 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 [2023-11-29 04:41:37,199 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 04:41:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2023-11-29 04:41:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.26) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2023-11-29 04:41:37,210 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 21 [2023-11-29 04:41:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,210 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2023-11-29 04:41:37,211 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, (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) [2023-11-29 04:41:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2023-11-29 04:41:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 04:41:37,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:37,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:41:37,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:37,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:37,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2106747185, now seen corresponding path program 1 times [2023-11-29 04:41:37,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:37,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602956851] [2023-11-29 04:41:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602956851] [2023-11-29 04:41:37,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602956851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875334069] [2023-11-29 04:41:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,277 INFO L87 Difference]: Start difference. First operand 64 states and 79 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, (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) [2023-11-29 04:41:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,296 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2023-11-29 04:41:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,297 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, (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 23 [2023-11-29 04:41:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,298 INFO L225 Difference]: With dead ends: 64 [2023-11-29 04:41:37,298 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 04:41:37,299 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 [2023-11-29 04:41:37,300 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 5 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 116 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 04:41:37,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 04:41:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.24) internal successors, (62), 52 states have internal predecessors, (62), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2023-11-29 04:41:37,310 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 23 [2023-11-29 04:41:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,310 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2023-11-29 04:41:37,310 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, (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) [2023-11-29 04:41:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-29 04:41:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 04:41:37,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:37,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:41:37,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:37,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:37,313 INFO L85 PathProgramCache]: Analyzing trace with hash -884653148, now seen corresponding path program 1 times [2023-11-29 04:41:37,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:37,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097878469] [2023-11-29 04:41:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097878469] [2023-11-29 04:41:37,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097878469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855403269] [2023-11-29 04:41:37,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,366 INFO L87 Difference]: Start difference. First operand 63 states and 78 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, (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) [2023-11-29 04:41:37,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,385 INFO L93 Difference]: Finished difference Result 71 states and 85 transitions. [2023-11-29 04:41:37,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,386 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, (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 24 [2023-11-29 04:41:37,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,387 INFO L225 Difference]: With dead ends: 71 [2023-11-29 04:41:37,387 INFO L226 Difference]: Without dead ends: 62 [2023-11-29 04:41:37,387 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 [2023-11-29 04:41:37,388 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-29 04:41:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-29 04:41:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 50 states have (on average 1.2) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2023-11-29 04:41:37,397 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 24 [2023-11-29 04:41:37,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,398 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2023-11-29 04:41:37,398 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, (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) [2023-11-29 04:41:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-11-29 04:41:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 04:41:37,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:37,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:41:37,400 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:37,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:37,401 INFO L85 PathProgramCache]: Analyzing trace with hash 501612437, now seen corresponding path program 1 times [2023-11-29 04:41:37,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:37,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700352904] [2023-11-29 04:41:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 04:41:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700352904] [2023-11-29 04:41:37,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700352904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510452713] [2023-11-29 04:41:37,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,465 INFO L87 Difference]: Start difference. First operand 62 states and 76 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, (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) [2023-11-29 04:41:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,478 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions. [2023-11-29 04:41:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,479 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, (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 33 [2023-11-29 04:41:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,480 INFO L225 Difference]: With dead ends: 62 [2023-11-29 04:41:37,480 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 04:41:37,480 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 [2023-11-29 04:41:37,481 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 04:41:37,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 04:41:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 04:41:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2023-11-29 04:41:37,489 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 33 [2023-11-29 04:41:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,489 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2023-11-29 04:41:37,490 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, (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) [2023-11-29 04:41:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-29 04:41:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 04:41:37,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:37,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:41:37,492 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:37,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:37,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1629883465, now seen corresponding path program 1 times [2023-11-29 04:41:37,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:37,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029624969] [2023-11-29 04:41:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 04:41:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:37,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:37,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029624969] [2023-11-29 04:41:37,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029624969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:37,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:37,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:37,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189172524] [2023-11-29 04:41:37,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:37,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:37,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:37,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:37,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:37,563 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-29 04:41:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:37,575 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2023-11-29 04:41:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:37,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 34 [2023-11-29 04:41:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:37,576 INFO L225 Difference]: With dead ends: 61 [2023-11-29 04:41:37,576 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:41:37,577 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 [2023-11-29 04:41:37,577 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:37,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:41:37,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:41:37,579 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) [2023-11-29 04:41:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:41:37,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-29 04:41:37,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:37,579 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:41:37,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-29 04:41:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:41:37,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:41:37,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 04:41:37,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 04:41:37,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 04:41:37,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:41:37,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:41:37,643 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 04:41:37,643 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 04:41:37,643 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 04:41:37,643 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 04:41:37,643 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-29 04:41:37,644 INFO L895 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2023-11-29 04:41:37,644 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1548 1585) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1556-2(lines 1556 1563) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2023-11-29 04:41:37,645 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1615-1(line 1615) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1624-2(lines 1621 1640) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 04:41:37,646 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1638) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1655) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-29 04:41:37,647 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-29 04:41:37,648 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point L1594-2(lines 1594 1601) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-29 04:41:37,649 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1562-1(line 1562) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1648) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-29 04:41:37,650 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-29 04:41:37,651 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (and (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (= 5 ~globalFive~0)) [2023-11-29 04:41:37,651 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2023-11-29 04:41:37,651 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2023-11-29 04:41:37,654 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:37,656 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:41:37,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:41:37 BoogieIcfgContainer [2023-11-29 04:41:37,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:41:37,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:41:37,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:41:37,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:41:37,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:36" (3/4) ... [2023-11-29 04:41:37,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:41:37,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 04:41:37,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 04:41:37,671 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-29 04:41:37,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 04:41:37,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:41:37,673 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:41:37,673 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:41:37,755 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:41:37,755 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:41:37,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:41:37,756 INFO L158 Benchmark]: Toolchain (without parser) took 3471.95ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 137.9MB in the beginning and 190.7MB in the end (delta: -52.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,757 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:37,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1244.72ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 141.9MB in the end (delta: -4.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.89ms. Allocated memory is still 188.7MB. Free memory was 141.9MB in the beginning and 138.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,758 INFO L158 Benchmark]: Boogie Preprocessor took 53.08ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 136.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,758 INFO L158 Benchmark]: RCFGBuilder took 479.02ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 116.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,759 INFO L158 Benchmark]: TraceAbstraction took 1524.90ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 115.6MB in the beginning and 197.0MB in the end (delta: -81.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:37,759 INFO L158 Benchmark]: Witness Printer took 95.14ms. Allocated memory is still 243.3MB. Free memory was 197.0MB in the beginning and 190.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:41:37,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 188.7MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1244.72ms. Allocated memory is still 188.7MB. Free memory was 137.3MB in the beginning and 141.9MB in the end (delta: -4.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.89ms. Allocated memory is still 188.7MB. Free memory was 141.9MB in the beginning and 138.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.08ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 136.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.02ms. Allocated memory is still 188.7MB. Free memory was 136.5MB in the beginning and 116.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1524.90ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 115.6MB in the beginning and 197.0MB in the end (delta: -81.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.14ms. Allocated memory is still 243.3MB. Free memory was 197.0MB in the beginning and 190.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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, 70 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 1018 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 578 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 86 HoareAnnotationTreeSize, 39 FomulaSimplifications, 5 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:41:37,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7338926f-3014-4850-958c-1510be7a1691/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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